| STID | Station Name | State | TimeZone | DayTimeSaving | Latitude | Longitude | Elevation |
| EB32 | | | | | 27 | -84.3 | 0 |
| EB33 | | | A | | 58.5 | -141 | 0 |
| EB35 | | | A | | 55.3 | -157 | 0 |
| EB36 | | | | | 26 | -84.8 | 0 |
| EB43 | | | A | | 59.8 | -142 | 0 |
| EB31 | | | | | 27 | -86 | 0 |
| EB01 | | | | | 36.5 | -73.5 | 0 |
| EB53 | | | E | | 28.9 | -88.3 | 0 |
| EB70 | | | A | | 59.5 | -142.3 | 0 |
| EB62 | | | E | | 29 | -85.6 | 0 |
| EB52 | | | | | 38.4 | -74.3 | 0 |
| EB92 | | | E | | 28.5 | -90 | 0 |
| EB91 | | | E | | 38.4 | -74.3 | 0 |
| EB61 | | | | | 26.9 | -84.6 | 0 |
| EB10 | | | C | | 27.5 | -88 | 0 |
| KGYY | Gary Chicago International | IN | C | y | 41.62 | -87.42 | 606.955 |
| KABR | Aberdeen Regional Airport | SD | C | y | 45.46 | -98.43 | 1306.1 |
| KABI | Abilene Regional Airport | TX | C | y | 32.43 | -99.68 | 1790.03 |
| KDYS | Abilene, Dyess Air Force Base | TX | C | y | 32.417 | -99.85 | 1791.01 |
| KVJI | Abingdon | VA | E | y | 36.68 | -82.03 | 2070.21 |
| KADH | Ada Municipal Airport | OK | C | y | 34.804 | -96.671 | 1017.06 |
| PADK | Adak Is. NAF | AK | K | y | 51.89 | -176.65 | 17.06 |
| KADG | Adrian, Lenawee County Airport | MI | E | y | 41.87 | -84.07 | 800.525 |
| K12N | Aeroflex-Andover Airport | NJ | E | y | 41.01 | -74.74 | 583.99 |
| KASJ | Ahoskie, Tri-County Airport | NC | E | y | 36.3 | -77.17 | 68.898 |
| KANW | Ainsworth Municipal | NE | C | y | 42.59 | -99.99 | 2588.58 |
| KAFF | Air Force Academy | CO | M | y | 38.98 | -104.82 | 6571.85 |
| KAIT | Aitkin NDB Automatic Weather Observing / Reporting | MN | C | y | 46.55 | -93.69 | 1204.07 |
| KAKR | Akron Fulton International Airport | OH | E | y | 41.033 | -81.467 | 1043.96 |
| KCAK | Akron-Canton Regional Airport | OH | E | y | 40.93 | -81.43 | 1208.01 |
| KAKO | Akron/Washington Co | CO | M | y | 40.17 | -103.22 | 4662.07 |
| KALM | Alamogordo-White | NM | M | y | 32.84 | -105.99 | 4307.74 |
| KALS | Alamosa Muni(awos) | CO | M | y | 37.46 | -105.87 | 7539.04 |
| KALB | Albany International Airport | NY | E | y | 42.76 | -73.8 | 291.995 |
| KABY | Albany, Southwest Georgia Regional Airport | GA | E | y | 31.54 | -84.18 | 189.961 |
| KVUJ | Albemarle, Stanly County Airport | NC | E | y | 35.417 | -80.151 | 610.236 |
| KAEL | Albert Lea Automatic Weather Observing / Reporting | MN | C | y | 43.69 | -93.37 | 1256.56 |
| KFEP | Albertus Airport | IL | C | y | 42.25 | -89.58 | 859.58 |
| K8A0 | Albertville Regional Airport-Thomas J Brumlik Fiel | AL | C | y | 34.2291 | -86.2558 | 1032 |
| KBVN | Albion Municipal Airport | NE | C | y | 41.733 | -98.05 | 1807.74 |
| KABQ | Albuquerque Intl Airport | NM | M | y | 35.05 | -106.62 | 5310.04 |
| KALX | Alexander City/T.C. Russell Field | AL | C | y | 32.915 | -85.963 | 685.696 |
| KE80 | Alexander Municipal (Belen) | NM | M | y | 34.645 | -106.834 | 5194 |
| KESF | Alexandria Esler Regional Airport | LA | C | y | 31.4 | -92.3 | 111.877 |
| KAEX | Alexandria International Airport | LA | C | y | 31.33 | -92.55 | 88.911 |
| KAXN | Alexandria, Chandler Field | MN | C | y | 45.87 | -95.41 | 1419.95 |
| KAXA | Algona | IA | C | y | 43.08 | -94.27 | 1220.47 |
| KALI | Alice International Airport | TX | C | y | 27.74 | -98.04 | 172.9 |
| KACP | Allen Parish Airport | LA | C | y | 30.7506 | -92.6886 | |
| KABE | Allentown Lehigh Valley International Airport | PA | E | y | 40.66 | -75.43 | 390.092 |
| KAIA | Alliance Municipal Airport | NE | M | y | 42.05 | -102.8 | 3930.45 |
| KAMG | Alma, Bacon County Airport | GA | E | y | 31.54 | -82.5 | 206.037 |
| KAMN | Alma, Gratiot Community Airport | MI | E | y | 43.32 | -84.69 | 754.593 |
| NIUE | Alofi/Niue | KU | G | n | -19.067 | -169.917 | 72.178 |
| KAPN | Alpena County Regional Airport | MI | E | y | 45.08 | -83.57 | 688.976 |
| PALP | Alpine Airstrip | AK | K | y | 70.3443 | -150.945 | 0 |
| KALN | Alton / St. Louis Regional | IL | C | y | 38.91 | -90.05 | 557.743 |
| KAOO | Altoona-Blair County Airport | PA | E | y | 40.3 | -78.32 | 1479.99 |
| KAAT | Alturas (was O00) | CA | P | y | 41.491 | -120.564 | 4399.61 |
| KLTS | Altus Air Force Base | OK | C | y | 34.8 | -99 | 1357.94 |
| KAXS | Altus/Quartz Mountain Regional Airport | OK | C | y | 34.7 | -99.333 | 1433.73 |
| KAVK | Alva Regional Airport | OK | C | y | 36.77 | -98.67 | 1473.1 |
| PAFM | Ambler | AK | K | y | 67.1 | -157.85 | 288.714 |
| K7R3 | Amelia / Lake Palourd | LA | C | y | 29.7 | -91.1 | 6.562 |
| KAMW | Ames Municipal Airport | IA | C | y | 41.99 | -93.62 | 954.724 |
| PAKP | Anaktuvuk Pass | AK | K | y | 68.13 | -151.73 | 2155.51 |
| PAED | Anchorage / Elmendorf Air Force Base | AK | K | y | 61.25 | -149.8 | 193.57 |
| PANC | Anchorage International Airport | AK | K | y | 61.17 | -150 | 113.845 |
| K79J | Andalusia-Opp Municipal Airport | AL | C | y | 31.317 | -86.4 | 308.399 |
| PGUA | Andersen AFB | GU | G | n | 13.58 | 144.93 | 531.496 |
| KAND | Anderson County Airport | SC | E | y | 34.51 | -82.72 | 759.843 |
| KAID | Anderson Municipal | IN | E | y | 40.12 | -85.62 | 918.635 |
| KE11 | Andrews County Airport | TX | C | y | 32.3311 | -102.53 | 3174 |
| KRHP | Andrews-Murphy Airport | NC | E | y | 35.19 | -83.86 | 1699.47 |
| KAXX | Angel Fire Airport | NM | M | y | 36.42 | -105.29 | 8380 |
| KLBX | Angleton / Lake Jackson, Brazoria County Airport | TX | C | y | 29.12 | -95.47 | 26.247 |
| PAGN | Angoon Seaplane Base | AK | K | y | 57.5036 | -134.585 | 0 |
| PANI | Aniak | AK | K | y | 61.58 | -159.53 | 84.974 |
| KIKV | Ankeny Regional Airport | IA | C | y | 41.69 | -93.57 | 902.231 |
| KARB | Ann Arbor Municipal Airport | MI | E | y | 42.22 | -83.75 | 839.895 |
| KNAK | Annapolis (U.S. Naval Academy) | MD | E | y | 38.98 | -76.48 | 6.562 |
| PANT | Annette Island | AK | K | y | 55.04 | -131.57 | 108.924 |
| KANB | Anniston Metropolitan Airport | AL | C | y | 33.59 | -85.85 | 610.892 |
| KDRC | Anonymous Wy Ob | WY | M | y | 42.83 | -105.86 | |
| KBRX | Anonymous Wy Ob | WY | M | y | 41.933 | -104.55 | 4950.79 |
| KAIG | Antigo - Lang Automatic Weather Observing / Report | WI | C | y | 45.01 | -89.13 | 1522.31 |
| PANV | Anvik Airport | AK | K | y | 62.65 | -160.18 | 324.803 |
| KAAF | Apalachicola | FL | E | y | 29.728 | -85.027 | 20.013 |
| KATW | Appleton / Outagamie | WI | C | y | 44.26 | -88.52 | 918.635 |
| KAQP | Appleton Municipal Airport | MN | C | y | 45.23 | -96 | 1017.06 |
| TJBQ | Aquadilla (Boriquen) | PR | A | n | 18.5 | -67.13 | 236.22 |
| KACV | Arcata/Eureka Airport | CA | P | y | 40.98 | -124.1 | 203.084 |
| PARC | Arctic Village | AK | K | y | 68.12 | -145.57 | 2086.61 |
| K1F0 | Ardmore Downtown Executive Airport | OK | C | y | 34.15 | -97.12 | 843.176 |
| KADM | Ardmore Municipal | OK | C | y | 34.3 | -97.02 | 761.155 |
| KARL | Arlington | WY | M | y | 41.583 | -106.2 | 7834.65 |
| KAWO | Arlington Muni | WA | P | y | 48.17 | -122.17 | 137.795 |
| KGKY | Arlington Municipal Airport | TX | C | y | 32.664 | -97.096 | 629.921 |
| TVSV | Arnos Vale | VC | A | n | 13.133 | -61.2 | 42.651 |
| KATS | Artesia Municipal Airport | NM | M | y | 32.85 | -104.47 | 3540.03 |
| KHBI | Asheboro Municipal Airport | NC | E | y | 35.65 | -79.9 | 672.572 |
| KAVL | Asheville Regional Airport | NC | E | y | 35.44 | -82.55 | 2140.09 |
| KOFP | Ashland, Hanover County Municipal Airport | VA | E | y | 37.7 | -77.43 | 206.693 |
| KASX | Ashland, Kennedy Memorial Airport | WI | C | y | 46.55 | -90.92 | 823.491 |
| KHZY | Ashtabula County Airport | OH | E | y | 41.779 | -80.697 | 921.916 |
| KASE | Aspen/Sardy Field | CO | M | y | 39.22 | -106.87 | 8018.37 |
| KAST | Astoria/Clatsop | OR | P | y | 46.16 | -123.88 | 9.843 |
| KAHN | Athens Airport | GA | E | y | 33.96 | -83.32 | 799.869 |
| PAAK | Atka Airport | AK | K | y | 52.217 | -174.2 | 59.055 |
| KPDK | Atlanta, DeKalb-Peachtree Airport | GA | E | y | 33.88 | -84.3 | 1026.9 |
| KFTY | Atlanta, Fulton County Airport-Brown Field | GA | E | y | 33.78 | -84.52 | 862.861 |
| KFFC | Atlanta, Peachtree City-Falcon Field | GA | E | y | 33.35 | -84.56 | 808 |
| KAIO | Atlantic | IA | C | y | 41.4 | -95.05 | 1181.1 |
| KACY | Atlantic City International Airport | NJ | E | y | 39.46 | -74.57 | 60.039 |
| KAQR | Atoka Municipal Airport | OK | C | y | 34.4 | -96.15 | 589.895 |
| PATQ | Atqasuk Edward Burnell Sr. Memorial Airport | AK | K | y | 70.4673 | -157.436 | 0 |
| KAUN | Auburn Muni Airport | CA | P | y | 38.955 | -121.082 | 1532.15 |
| KLEW | Auburn-Lewiston | ME | E | y | 44.05 | -70.29 | 288.714 |
| KAUO | Auburn-Opelika Airport | AL | C | y | 32.62 | -85.44 | 774.278 |
| KADU | Audubon County Airport | IA | C | y | 41.7 | -94.92 | 1286.09 |
| KAUG | Augusta State Airport | ME | E | y | 44.32 | -69.8 | 350.066 |
| KAGS | Augusta, Bush Field | GA | E | y | 33.38 | -81.97 | 131.89 |
| KDNL | Augusta, Daniel Field | GA | E | y | 33.47 | -82.03 | 419.948 |
| KAUH | Aurora Municipal Airport | NE | C | y | 40.88 | -98 | 1797.9 |
| KARR | Aurora Municipal Airport | IL | C | y | 41.77 | -88.47 | 705.381 |
| KUAO | Aurora State | OR | P | y | 45.25 | -122.77 | 196.85 |
| KU31 | Austin | NV | P | y | 39.5 | -117.083 | 6607.61 |
| KEDC | Austin Executive Airport | TX | C | y | 30.3975 | -97.5664 | 620 |
| KAUM | Austin Municipal | MN | C | y | 43.67 | -92.94 | 1230.31 |
| KAUS | Austin-Bergstrom International Airport | TX | C | y | 30.2 | -97.68 | 662.73 |
| KAVX | Avalon, Catalina Airport | CA | P | y | 33.41 | -118.42 | 1575.13 |
| PTRO | Babelthuap/Koror | PW | U | n | 7.33 | 134.48 | 94.16 |
| KBAX | Bad Axe, Huron County Memorial Airport | MI | E | y | 43.79 | -82.99 | 767.717 |
| KBGE | Bainbridge | GA | E | y | 30.97 | -84.63 | 141.076 |
| KBHK | Baker | MT | M | y | 46.333 | -104.25 | 2959.32 |
| KBKE | Baker Municipal | OR | P | y | 44.84 | -117.82 | 3368.11 |
| KBFL | Bakersfield/Meadows | CA | P | y | 35.43 | -119.05 | 492.126 |
| KMLJ | Baldwin County Airport | GA | E | y | 33.15 | -83.233 | 383.858 |
| KMTN | Baltimore / Martin | MD | E | y | 39.34 | -76.42 | 22.966 |
| KDMH | Baltimore, Inner Harbor | MD | E | y | 39.28 | -76.61 | 19.029 |
| KBWI | Baltimore-Washington International Airport | MD | E | y | 39.19 | -76.67 | 147.966 |
| KWVI | Bami11 | CA | P | y | 36.94 | -121.79 | 157.48 |
| KBGR | Bangor International Airport | ME | E | y | 44.81 | -68.83 | 149.934 |
| KBHB | Bar Harbor Automatic Weather Observing / Reporting | ME | E | y | 44.46 | -68.37 | 85.302 |
| KDLL | Baraboo Wisconsin Dells Airport | WI | C | y | 43.522 | -89.771 | 977.69 |
| KBAD | Barksdale Air Force Base | LA | C | y | 32.5 | -93.683 | 166.995 |
| KMPV | Barre / Montpelier, Knapp State Airport | VT | E | y | 44.21 | -72.57 | 1125.98 |
| PABR | Barrow/Wiley Post | AK | K | y | 71.29 | -156.77 | 30.84 |
| KDAG | Barstow-Daggett | CA | P | y | 34.88 | -116.78 | 1921.92 |
| PABA | Barter Island | AK | K | y | 70.14 | -143.59 | 39.042 |
| KBVO | Bartlesville Municipal Airport | OK | C | y | 36.76 | -96.01 | 715.223 |
| KBOW | Bartow Municipal | FL | E | y | 27.95 | -81.78 | 127.953 |
| KBVX | Batesville Automatic Weather Observing / Reporting | AR | C | y | 35.73 | -91.65 | 462.598 |
| KBTR | Baton Rouge Metropolitan, Ryan Field | LA | C | y | 30.54 | -91.15 | 59.055 |
| KBTL | Battle Creek, Kellogg Airport | MI | E | y | 42.3 | -85.25 | 938.976 |
| KB23 | Battle Mountain | NV | P | y | 40.61 | -116.87 | 4540.03 |
| KBDE | Baudette International Airport | MN | C | y | 48.73 | -94.6 | 1082.02 |
| KBYY | Bay City | TX | C | y | 28.973 | -95.863 | 45.932 |
| KBAB | Beale AFB/Marysville | CA | P | y | 39.14 | -121.44 | 125 |
| KBIE | Beatrice Municipal | NE | C | y | 40.3 | -96.75 | 1322.18 |
| KNBC | Beaufort, Marine Corps Air Station | SC | E | y | 32.48 | -80.72 | 48.885 |
| KMRH | Beaufort, Michael J Smith Field Airport | NC | E | y | 34.717 | -76.65 | 9.843 |
| KBPT | Beaumont/Port Arthur, SE Texas Regional Airport | TX | C | y | 29.95 | -94.02 | 16.076 |
| KDRI | Beauregard Regional Airport | LA | C | y | 30.833 | -93.333 | 206.693 |
| KBVI | Beaver Falls Airport | PA | E | y | 40.76 | -80.33 | 1253.28 |
| KSJX | Beaver Island Airport | MI | E | y | 45.7 | -85.57 | 669.291 |
| KBVR | Beaver Rim | WY | M | y | 42.58 | -108.28 | |
| KBKW | Beckley, Raleigh County Memorial Airport | WV | E | y | 37.79 | -81.12 | 2503.94 |
| KBED | Bedford, Hanscom Field | MA | E | y | 42.47 | -71.29 | 132.874 |
| TUPJ | Beef Island-Tortola | VG | A | n | 18.45 | -64.533 | 13.123 |
| K3R0 | Beeville Municipal Airport | TX | C | y | 28.36 | -97.79 | |
| KBEA | Beeville Municipal Airport | TX | C | y | 28.3619 | -97.791 | 268 |
| KACB | Bellaire, Antrim County Airport | MI | E | y | 44.99 | -85.2 | 623.36 |
| KBFU | Belle Fourche | WY | M | y | 43.93 | -105.44 | |
| KEFC | Belle Fourche Municipal Airport | SD | M | y | 44.71 | -103.8 | 269.029 |
| KBLI | Bellingham Intl Airport | WA | P | y | 48.79 | -122.54 | 148.95 |
| KBLM | Belmar-Farmingdale | NJ | E | y | 40.18 | -74.13 | 84.974 |
| KBJI | Bemidji | MN | C | y | 47.51 | -94.93 | 1377.95 |
| KDDH | Bennington Morse State Airport | VT | E | y | 42.89 | -73.246 | 826.772 |
| KBBB | Benson Municipal | MN | C | y | 45.32 | -95.65 | 1040.03 |
| KBEH | Benton Harbor, Southwest Michigan Regional Airport | MI | E | y | 42.14 | -86.44 | 643.045 |
| KVBT | Bentonville Automatic Weather Observing/Reporting | AR | C | y | 36.35 | -94.22 | 1295.93 |
| EB90 | BERING SEA | | A | | 47 | -130.9 | 0 |
| KBML | Berlin Municipal Airport | NH | E | y | 44.59 | -71.18 | 1158.14 |
| PABE | Bethel | AK | K | y | 60.78 | -161.8 | 125 |
| PABT | Bettles Airport | AK | K | y | 66.92 | -151.52 | 644.029 |
| KBVY | Beverly Municipal Airport | MA | E | y | 42.59 | -70.92 | 111.549 |
| KL35 | Big Bear City Airport | CA | P | y | 34.27 | -116.85 | 2057 |
| KBPI | Big Piney/Marbleton Airport | WY | M | y | 42.58 | -110.1 | 6968.5 |
| KRQB | Big Rapids, Roben-Hood Airport | MI | E | y | 43.72 | -85.5 | 990.814 |
| PALV | Big River Lake | AK | K | y | 60.82 | -152.31 | 39.37 |
| KBPG | Big Spring | TX | C | y | 32.213 | -101.522 | 2572.18 |
| KFOZ | Bigfork Municipal Airport | MN | C | y | 47.78 | -93.65 | 1348.43 |
| KBIL | Billings/Logan Intl Airport | MT | M | y | 45.8 | -108.53 | 3585.96 |
| KBGM | Binghamton Regional Airport | NY | E | y | 42.23 | -75.98 | 1600.07 |
| PABV | Birchwood | AK | K | y | 61.42 | -149.52 | 98.425 |
| KBHM | Birmingham International Airport | AL | C | y | 33.56 | -86.75 | 629.921 |
| KBIH | Bishop Airport | CA | P | y | 37.37 | -118.37 | 4146.98 |
| KBIS | Bismarck Municipal Airport | ND | C | y | 46.78 | -100.75 | 1683.07 |
| KBIT | Bittercreek | WY | M | y | 41.64 | -108.58 | |
| KSPF | Black Hills Airport-Clyde Ice Field | SD | M | y | 44.4803 | -103.783 | 3931 |
| KBCK | Black River Falls Area Airport | WI | C | y | 44.2507 | -90.8553 | 836 |
| TRPM | Blackburne/Plymouth | AG | A | n | 16.75 | -62.167 | 39.37 |
| KBKN | Blackwell-Tonkawa Municipal Airport | OK | C | Y | 36.7451 | -97.3496 | 1030 |
| KBTA | Blair Municipal Airport | NE | C | y | 41.4148 | -96.109 | 1325 |
| KK46 | Blair Municipal Airport | NE | C | y | 41.4181 | -96.1136 | 1325 |
| KDZJ | Blairsville Airport | GA | E | y | 34.8544 | -83.9973 | 1911 |
| KAJZ | Blake Field Airport | CO | M | y | 38.7864 | -108.064 | 5193 |
| K4BL | Blanding | UT | M | y | 37.62 | -109.47 | 6040.03 |
| KBID | Block Island Automatic Weather Observing / Report | RI | E | y | 41.18 | -71.58 | 108.268 |
| KBMI | Bloomington / Normal | IL | C | y | 40.48 | -88.93 | 892.388 |
| KBMG | Bloomington, Monroe County Airport | IN | E | y | 39.14 | -86.62 | 866.142 |
| KBLU | Blue Canyon (amos) | CA | P | y | 39.29 | -120.7 | 5279.86 |
| KMQE | Blue Hill - Milton | MA | E | y | 42.21 | -71.11 | 629.921 |
| KBLF | Bluefield, Mercer County Airport | WV | E | y | 37.3 | -81.22 | 2857.61 |
| KBLH | Blythe Airport | CA | P | y | 33.62 | -114.72 | 390.092 |
| KHKA | Blytheville Municipal Airport | AR | C | y | 35.94 | -89.83 | 255.906 |
| KNQX | Boca Chica Naval Air Station | FL | E | y | 24.57 | -81.68 | 22.966 |
| KBCT | Boca Raton Airport | FL | E | y | 26.38 | -80.1 | 13.123 |
| KBOI | Boise Municipal | ID | M | y | 43.58 | -116.22 | 2707.02 |
| TNCB | Bonaire/Flamingo | PR | A | n | 12.15 | -68.283 | 22.966 |
| KBNW | Boone Municipal | IA | C | y | 42.05 | -93.85 | 1161.42 |
| KTNB | Boone, Watauga County Hospital Heliport | NC | E | y | 36.199 | -81.651 | 3146.32 |
| KBVE | Boothville | LA | C | y | 29.333 | -89.4 | 15.092 |
| K1B7 | Boothville Heliport | LA | C | y | 29.35 | -89.433 | 3.281 |
| KBGD | Borger, Hutchinson County Airport | TX | C | y | 35.71 | -101.4 | 3054.46 |
| KOVS | Boscobel Airport | WI | C | y | 43.16 | -90.68 | 672.572 |
| KBOS | Boston, Logan International Airport | MA | E | y | 42.38 | -71.03 | 20.013 |
| KBDU | Boulder Municipal Airport | CO | M | y | 40.039 | -105.226 | 5288 |
| K0F2 | Bowie Municipal Airport | TX | C | y | 33.6017 | -97.7756 | 1101 |
| KBWG | Bowling Green-Warren County Regional Airport | KY | C | y | 36.96 | -86.42 | 527.887 |
| KBPP | Bowman Municipal Airport | ND | C | y | 46.1869 | -103.428 | |
| KBZN | Bozeman/Gallatin | MT | M | y | 45.79 | -111.15 | 4426.84 |
| KBFD | Bradford Regional Airport | PA | E | y | 41.8 | -78.64 | 2117.13 |
| PHSF | Bradshaw Army Air Field | HI | H | n | 19.78 | -155.55 | 6345.14 |
| KBRD | Brainerd-Crow Wing County Regional Airport | MN | C | y | 46.4 | -94.13 | 1227.03 |
| KBBG | Branson Airport | MO | C | Y | 36.5321 | -93.2005 | 1303 |
| K48I | Braxton County Airport | WV | E | y | 38.733 | -80.65 | 1269.69 |
| KPWT | Bremerton Ntnl Awos | WA | P | y | 47.48 | -122.77 | 449.475 |
| K11R | Brenham Municipal Airport | TX | C | y | 30.219 | -96.374 | 308.399 |
| KY15 | Brennan Farm Airport | KY | E | y | 45.65 | -84.467 | 577.428 |
| KHDE | Brewster Field Airport | NE | C | y | 40.45 | -99.33 | 2309.71 |
| KXBP | Bridgeport Municipal Airport | TX | C | y | 33.167 | -97.833 | 853.018 |
| KBDR | Bridgeport/Igor|Sikorsky Memorial | CT | E | y | 41.18 | -73.13 | 13.123 |
| KBBW | Broken Bow Municipal Airport | NE | C | y | 41.44 | -99.66 | 2545.93 |
| K4BK | Brookings | OR | P | y | 42.05 | -124.283 | 45.932 |
| KBOK | Brookings Airport | OR | P | y | 42.083 | -124.283 | 459.318 |
| KBKX | Brookings Automatic Weather Observing / Reporting | SD | C | y | 44.3 | -96.8 | 1646.98 |
| KBKS | Brooks County Airport | TX | C | y | 27.207 | -98.121 | 111.549 |
| KBKV | Brooksville, Hernando County Airport | FL | E | y | 28.47 | -82.45 | 75.459 |
| KBJC | Broomfield/Rocky Mtn Metro Airport | CO | M | y | 39.91 | -105.12 | 5656.17 |
| KBRO | Brownsville / South Padre Island Intl Airport | TX | C | y | 25.9 | -97.43 | 19.029 |
| KBWD | Brownwood | TX | C | y | 31.8 | -98.95 | 1384.51 |
| KBQK | Brunswick / Glynco | GA | E | y | 31.15 | -81.38 | 26.247 |
| KSUT | Brunswick County Airport | NC | E | y | 33.93 | -78.07 | 26.247 |
| KNHZ | Brunswick, Naval Air Station | ME | E | y | 43.89 | -69.93 | 68.898 |
| KSSI | Brunswick/Malcom-McKinnon | GA | E | y | 31.15 | -81.38 | 14.108 |
| KBCE | Bryce Canyon | UT | M | y | 37.71 | -112.16 | 7586.94 |
| KW22 | Buckhannon/Upshur Co. Reg. Airport | WV | E | y | 39 | -80.267 | 1633.86 |
| PABL | Buckland Airport | AK | K | y | 65.99 | -161.12 | 32.808 |
| KBKF | Buckley AFB/Aurora | CO | M | y | 39.702 | -104.75 | 5570.87 |
| K2WX | Buffalo | SD | M | y | 45.57 | -103.53 | 2890.42 |
| KCFE | Buffalo Municipal Airport | MN | C | y | 45.159 | -93.843 | 967 |
| KBYG | Buffalo/Johnson County | WY | M | y | 44.38 | -106.72 | 4967.19 |
| KIFP | Bull Head City | AZ | M | n | 35.1575 | -114.559 | 547.9 |
| KBUR | Burbank/Glendale | CA | P | y | 34.2 | -118.36 | 725.066 |
| KBYI | Burley Municipal | ID | M | y | 42.54 | -113.77 | 4157.15 |
| KITR | Burlington | CO | M | y | 39.24 | -102.29 | 4215.88 |
| KBUY | Burlington Alamance Regional Airport | NC | E | y | 36.05 | -79.47 | 616.798 |
| KBTV | Burlington International Airport | VT | E | y | 44.48 | -73.15 | 348.097 |
| K6B8 | Burlington International Airport (BVT) | VT | E | y | 44.54 | -72.03 | 362 |
| KEFK | Burlington International Airport(BVT) | Ve | E | y | 44.96 | -72.23 | 732 |
| KBUU | Burlington Municipal Airport | WI | C | y | 42.691 | -88.305 | 777.559 |
| KBRL | Burlington Regional Airport | IA | C | y | 40.79 | -91.12 | 691.929 |
| TXKF | Burmuda | PR | A | n | 32.367 | -64.683 | 20.013 |
| KBMQ | Burnet Municipal Craddock Field | TX | C | y | 30.74 | -98.23 | 1282.81 |
| KBNY | Burney | CA | P | y | 40.883 | -121.667 | 3158.14 |
| KBNO | Burns Muni (amos) | OR | P | y | 43.58 | -118.95 | 4169.95 |
| KBTP | Butler County Automatic Weather Observing / Report | PA | E | y | 40.79 | -79.95 | 1246.72 |
| KBTM | Butte/Bert Mooney | MT | M | y | 45.96 | -112.5 | 5540.03 |
| KCAD | Cadillac / Wexford County | MI | E | y | 44.29 | -85.42 | 1299.87 |
| KCPS | Cahokia / St. Louis, St. Louis Downtown Airport | IL | C | y | 38.58 | -90.15 | 413.386 |
| KOZR | Cairns Army Air Field / Ozark | AL | C | y | 31.283 | -85.717 | 314.961 |
| KCIR | Cairo Regional Airport | IL | C | y | 37.067 | -89.217 | 351.05 |
| KEUL | Caldwell | ID | M | y | 43.64 | -116.64 | 2427.82 |
| KRWV | Caldwell Municipal Airport | TX | C | y | 30.517 | -96.7 | 1279.53 |
| KCDW | Caldwell, Essex County Airport | NJ | E | y | 40.88 | -74.28 | 173.885 |
| KCDA | Caledonia County Airport | VT | E | y | 44.5691 | -72.018 | 1188 |
| KEET | Calera, Shelby County Airport | AL | C | y | 33.18 | -86.78 | 583.99 |
| KCXL | Calexico International Airport | CA | P | y | 0 | 0 | |
| KPKV | Calhoun County Airport | TX | C | y | 28.65 | -96.667 | 29.528 |
| KP38 | Caliente (amos) | NV | P | y | 37.617 | -114.517 | 4379.92 |
| KCMA | Camarillo (awos) | CA | P | y | 34.21 | -119.09 | 75.459 |
| KCBG | Cambridge Municipal | MN | C | y | 45.57 | -93.27 | 941.601 |
| KCGE | Cambridge-Dorchester Airport | MD | E | y | 38.5393 | -76.0304 | 20 |
| K7R5 | Cameron Heliport | LA | C | y | 29.783 | -93.3 | 3.281 |
| KATT | Camp Mabry / Austin City | TX | C | y | 30.32 | -97.77 | 621.063 |
| KNFG | Camp Pendleton Mcas | CA | P | y | 33.3 | -117.35 | 65.945 |
| KADW | Camp Springs / Andrews Air Force Base | MD | E | y | 38.83 | -76.87 | 282.152 |
| KCRS | Campbell Field-Corsicana Municipal Airport | TX | C | y | 32.03 | -96.4 | 446.194 |
| KCZZ | Campo (awrs) | CA | P | y | 32.62 | -116.47 | 2631.23 |
| KCNB | Canby Myers Field Airport | MN | C | y | 44.72 | -96.26 | 1192.91 |
| MMUN | Cancun Mexico | MX | C | y | 21.03 | -86.87 | 19.685 |
| TDCF | Canefield Airport | DM | A | n | 15.533 | -61.4 | 16.404 |
| KCVS | Cannon AFB/Clovis | NM | M | y | 34.39 | -103.32 | 4294.95 |
| PATW | Cantwell | AK | K | y | 63.41 | -148.95 | 2191.6 |
| K92S | Cape Blanco (cgs) | OR | P | y | 42.833 | -124.567 | 187.008 |
| KXMR | Cape Canaveral Air Force Station Skid Strip | FL | E | y | 28.4677 | -80.5668 | 10 |
| KFMH | Cape Cod Coast Guard Air Station | MA | E | y | 41.66 | -70.52 | 131.234 |
| KCGI | Cape Girardeau Regional Airport | MO | C | y | 37.23 | -89.58 | 336.942 |
| PALU | Cape Lisburne Airways Fac Sec | AK | K | y | 68.89 | -166.14 | 9.843 |
| PAEH | Cape Newenham Airways Facilities Sector | AK | K | y | 58.66 | -162.07 | 528.215 |
| PACZ | Cape Romanzoff Airways Facilities Sector | AK | K | y | 61.783 | -166.033 | 403.871 |
| KMDH | Carbondale/Murphysboro, Southern Illinois Airport | IL | C | y | 37.79 | -89.25 | 419.948 |
| KCAR | Caribou Municipal Airport | ME | E | y | 46.88 | -68.02 | 624.016 |
| KCNM | Carlsbad/Cavern Cty | NM | M | y | 32.34 | -104.27 | 3231.96 |
| KCRQ | Carlsbad/Palomar | CA | P | y | 33.14 | -117.28 | 328.084 |
| KCUL | Carmi Municipal Airport | IL | C | y | 38.09 | -88.123 | 387.139 |
| K78D | Caro | MI | C | y | 43.45 | -83.45 | 702.1 |
| KCFS | Caro | MI | E | y | 43.459 | -83.445 | 702.1 |
| KCIN | Carroll | IA | C | y | 42.05 | -94.78 | 1230.31 |
| KDMW | Carroll County Regional Airport/Jack B Poage Field | MD | E | y | 39.36 | -77 | 240 |
| KVPC | Cartersville Airport | GA | E | y | 34.13 | -84.85 | 751.312 |
| KCGZ | Casa Grande (awos) | AZ | M | n | 32.96 | -111.77 | 1463.26 |
| KCZK | Cascade Locks State | OR | P | y | 45.69 | -121.88 | 150.919 |
| KE38 | Casparis Municipal Airport | TX | C | y | 30.384 | -103.684 | 4514.44 |
| KCPR | Casper/Natrona Intl Airport | WY | M | y | 42.93 | -106.47 | 5337.93 |
| KMER | Castle Airport | CA | P | y | 37.3805 | -120.568 | 191 |
| K2C8 | Cavalier Municipal Airport | ND | C | y | 48.7837 | -97.632 | 892 |
| KCDC | Cedar City Regional Airport | UT | M | y | 37.7 | -113.1 | 5586.94 |
| KCID | Cedar Rapids, The Eastern Iowa Airport | IA | C | y | 41.89 | -91.7 | 839.895 |
| KCMS | Cemetary Separation | WY | M | y | 41.53 | -109.46 | |
| KTVK | Centerville Municipal Airport | IA | C | y | 40.6839 | -92.901 | 1028 |
| PARL | Central Airport | AK | K | y | 65.57 | -144.77 | 826.772 |
| PACE | Central Airport | AK | K | y | 65.5739 | -144.781 | 937 |
| KAEJ | Central Colorado Regional Airport | CO | M | y | 38.8142 | -106.121 | 7946 |
| KENL | Centralia Municipal Airport | IL | C | y | 38.52 | -89.08 | 534.777 |
| KCKL | Centreville | AL | C | y | 32.9 | -87.25 | 459.318 |
| KCDR | Chadron Municipal Airport | NE | M | y | 42.84 | -103.08 | 3317.91 |
| KLLJ | Challis (amos) | ID | M | y | 44.523 | -114.215 | 5072.18 |
| KE33 | Chama | NM | M | y | 36.91 | -106.57 | 7851.05 |
| K9V9 | Chamberlain Municipal Airport | SD | C | y | 43.8 | -99.32 | 1738.84 |
| KCMI | Champaign / Urbana, University of Illinois-Willard | IL | C | y | 40.04 | -88.28 | 774.278 |
| PALR | Chandalar Lake | AK | K | y | 67.5 | -148.49 | 1919.29 |
| KCHD | Chandler Municipal Airport | AZ | M | n | 33.27 | -111.81 | 1243.44 |
| KCQB | Chandler Municipal Airport | OK | C | y | 35.72 | -96.82 | 984.252 |
| KCNU | Chanute Martin Johnson Airport | KS | C | y | 37.68 | -95.48 | 979.003 |
| KIGX | Chapel Hill, Williams Airport | NC | E | y | 35.94 | -79.07 | 508.53 |
| KCNC | Chariton | IA | C | y | 41.03 | -93.37 | 1049.87 |
| KMKC | Charles B Wheeler Downtown Airport | MO | C | y | 39.12 | -94.6 | 757.874 |
| KCCY | Charles City | IA | C | y | 43.07 | -92.62 | 1125.33 |
| KCHS | Charleston Air Force Base | SC | E | y | 32.91 | -80.03 | 59.055 |
| KCRW | Charleston, Yeager Airport | WV | E | y | 38.38 | -81.58 | 1016.08 |
| TKPN | Charlestown/Newcast | AG | A | n | 17.2 | -62.583 | 55.774 |
| KCVX | Charlevoix Municipal Airport | MI | E | y | 45.3 | -85.27 | 669.291 |
| KCLT | Charlotte/Douglas International Airport | NC | E | y | 35.21 | -80.94 | 757.874 |
| KCHO | Charlottesville-Albemarle Airport | VA | E | y | 38.14 | -78.45 | 623.031 |
| KCHH | Chatham | MA | E | y | 41.667 | -69.967 | 52.493 |
| KCQX | Chatham Municipal Airport | MA | E | y | 41.7 | -69.99 | 62.336 |
| KCHA | Chattanooga, Lovell Field | TN | E | y | 35.04 | -85.2 | 688.976 |
| KDKK | Chautauqua County / Dunkirk Airport | NY | E | y | 42.5 | -79.28 | 666.01 |
| KSLH | Cheboygan Co Airport | MI | E | y | 45.65 | -84.52 | 639.764 |
| KCWF | Chenault Airpark | LA | C | y | 30.22 | -93.15 | 16.076 |
| KCNI | Cherokee County Airport | GA | E | y | 34.3106 | -84.4239 | 1219 |
| KJSO | Cherokee County Airport | TX | C | y | 31.869 | -95.217 | 675.853 |
| KCKP | Cherokee Municipal Airport | IA | C | y | 42.732 | -95.556 | 1227.03 |
| KNKT | Cherry Point, Marine Corps Air Station | NC | E | y | 34.86 | -76.88 | 36.089 |
| KCPK | Chesapeake Municipal Airport | VA | E | y | 36.66 | -76.32 | 19.685 |
| KSNC | Chester | CT | E | y | 41.3839 | -72.5058 | |
| KCYS | Cheyenne/Warren AFB | WY | M | y | 41.16 | -104.82 | 6158.14 |
| KUGN | Chicago / Waukegan, Waukegan Regional Airport | IL | C | y | 42.42 | -87.87 | 728.346 |
| KDPA | Chicago / West Chicago, Dupage Airport | IL | C | y | 41.93 | -88.25 | 757.874 |
| KPWK | Chicago Executive Airport | IL | C | y | 42.11 | -87.9 | 646.325 |
| KMDW | Chicago Midway Airport | IL | C | y | 41.79 | -87.75 | 611.877 |
| KRFD | Chicago Rockford International Airport | IL | C | y | 42.21 | -89.1 | 732.94 |
| KORD | Chicago/O'Hare | IL | C | y | 41.98 | -87.9 | 658.136 |
| KLOT | Chicago/Romeoville, Lewis University Airport | IL | C | y | 41.61 | -88.1 | 757.874 |
| KCHK | Chickasha Municipal Airport | OK | C | y | 35.1 | -97.97 | 1151.57 |
| KCIC | Chico Municipal | CA | P | y | 39.79 | -121.85 | 239.501 |
| KCEF | Chicopee Falls / Westover Air Force Base | MA | E | y | 42.21 | -72.53 | 246.063 |
| PAJC | Chignik Airport | AK | K | y | 56.31 | -158.37 | 49.213 |
| KCDS | Childress Municipal Airport | TX | C | y | 34.44 | -100.28 | 1951.11 |
| KCDJ | Chillicothe Agri-Science Center | MO | C | y | 39.82 | -93.58 | 767.717 |
| KNID | China Lake (naf) | CA | P | y | 35.69 | -117.68 | 2220.14 |
| KCNO | Chino Airport | CA | P | y | 33.97 | -117.64 | 649.606 |
| KCIU | Chippewa International Automatic Weather Observing | MI | E | y | 46.26 | -84.47 | 820.21 |
| KHIB | Chisholm-Hibbing Airport | MN | C | y | 47.39 | -92.85 | 1347.11 |
| PAEC | Chulitna | AK | K | y | 62.89 | -149.84 | 1250 |
| PTKK | Chuuk Intl Weno Is | FM | G | n | 7.47 | 151.85 | 4.921 |
| KLUK | Cincinnati Municipal Airport Lunken Field | OH | E | y | 39.1 | -84.42 | 490.157 |
| KGCM | Claremore Regional Airport | OK | C | y | 36.29 | -95.48 | 725.066 |
| KRCE | Clarence E Page Municipal Airport | OK | C | Y | 35.4881 | -97.8236 | 1354 |
| KICL | Clarinda | IA | C | y | 40.72 | -95.03 | 994.094 |
| KCAV | Clarion | IA | C | y | 42.75 | -93.77 | 1161.42 |
| KCKB | Clarksburg Benedum Airport | WV | E | y | 39.29 | -80.23 | 1246.72 |
| KLBR | Clarksville | TX | C | y | 33.593 | -95.064 | 439.633 |
| K3CL | Clatsop Spit | OR | P | y | 0 | 0 | |
| K40B | Clayton Lake | ME | E | y | 46.617 | -69.533 | 1030.18 |
| KCAO | Clayton Muni(amos) | NM | M | y | 36.46 | -103.15 | 4959.97 |
| KFIG | Clearfield-Lawrence Airport | PA | E | y | 41.047 | -78.412 | 1515.75 |
| KCPT | Cleburne Municipal Airport | TX | C | y | 32.35 | -97.433 | 853.018 |
| KCEU | Clemson-Oconee County Airport | SC | E | y | 34.667 | -82.867 | 889.108 |
| KCGF | Cleveland / Cuyahoga | OH | E | y | 41.58 | -81.48 | 902.231 |
| KCLE | Cleveland-Hopkins International Airport | OH | E | y | 41.42 | -81.85 | 813.976 |
| KBKL | Cleveland/Burke Lakefront | OH | E | y | 41.52 | -81.68 | 597.113 |
| KCQC | Clines Corners | NM | M | y | 35 | -105.66 | 7906.82 |
| KGLY | Clinton Memorial Airport | MO | C | y | 38.3566 | -93.6842 | 823 |
| KCCA | Clinton Municipal Airport | AR | C | y | 35.598 | -92.352 | 514 |
| KCWI | Clinton Municipal Automatic Weather Observing | IA | C | y | 41.84 | -90.34 | 708.661 |
| KCLK | Clinton Regional Airport | OK | C | y | 35.533 | -98.933 | 1614.17 |
| KCSM | Clinton-Sherman Airport | OK | C | y | 35.36 | -99.2 | 1922.57 |
| KCLI | Clintonville Municipal Airport | WI | C | y | 44.61 | -88.73 | 823.491 |
| KCOQ | Cloquet Automatic Weather Observing / Reporting | MN | C | y | 46.71 | -92.5 | 1279.53 |
| KCVN | Clovis Muni (awos) | NM | M | y | 34.43 | -103.08 | 4212.6 |
| KCOF | Cocoa Beach / Patrick Air Force Base | FL | E | y | 28.23 | -80.6 | 9.843 |
| KCOD | Cody/Yellowstone Regional Airport | WY | M | y | 44.53 | -109.02 | 5095.14 |
| KCOE | COEUR D'ALENE(AWOS) | ID | P | y | 47.78 | -116.82 | 2319.55 |
| KUKL | Coffey County Airport | KS | C | Y | 38.3 | -95.717 | 1174.54 |
| KCFV | Coffeyville Municipal Airport | KS | C | y | 37.08 | -95.57 | 754.593 |
| PACD | Cold Bay Airport | AK | K | y | 55.21 | -162.72 | 96.129 |
| KOEB | Coldwater, Branch County Memorial Airport | MI | E | y | 41.93 | -85.05 | 958.005 |
| KCOM | Coleman Municipal Airport | TX | C | y | 31.8411 | -99.4036 | 1697 |
| KCGS | College Park Airport | MD | E | y | 0 | 0 | |
| KCLL | College Station, Easterwood Field | TX | C | y | 30.58 | -96.37 | 313.976 |
| KTKI | Collin County Regional Airport | TX | C | y | 33.18 | -96.59 | 577.428 |
| KCOS | Colorado Springs | CO | M | y | 38.83 | -104.72 | 6201.12 |
| KCAE | Columbia Metropolitan Airport | SC | E | y | 33.96 | -81.12 | 212.927 |
| KCOU | Columbia Regional Airport | MO | C | y | 38.83 | -92.22 | 893.045 |
| KBAK | Columbus / Bakalar | IN | E | y | 39.26 | -85.88 | 655.84 |
| KCBM | Columbus Air Force Base | MS | C | y | 33.633 | -88.45 | 209.974 |
| KCSG | Columbus Metropolitan Airport | GA | E | y | 32.53 | -84.93 | 387.139 |
| KOLU | Columbus Municipal Automatic Weather Observing | NE | C | y | 41.46 | -97.35 | 1479.66 |
| KTZR | Columbus, Bolton Field Airport | OH | E | y | 39.9 | -83.13 | 918.635 |
| KOSU | Columbus, Ohio State University Airport | OH | E | y | 40.09 | -83.07 | 928.478 |
| KCQV | Colville Municipal | WA | P | y | 48.55 | -117.89 | 1876.64 |
| KMKN | Comanche County Airport | TX | C | y | 31.917 | -98.6 | 1387.8 |
| KCON | Concord Municipal Airport | NH | E | y | 43.21 | -71.5 | 346.129 |
| KJQF | Concord Regional Airport | NC | E | y | 35.39 | -80.71 | 708.661 |
| KCCR | Concord/Buchanan | CA | P | y | 37.98 | -122.05 | 22.966 |
| KCNK | Concordia, Blosser Municipal Airport | KS | C | y | 39.55 | -97.65 | 1469.16 |
| KCXO | Conroe, Montgomery County Airport | TX | C | y | 30.36 | -95.41 | 252.625 |
| KCTD | Continental Divide | WY | M | y | 41.71 | -107.78 | |
| KHYW | Conway-Horry County Airport | SC | E | y | 33.8285 | -79.1222 | 35 |
| KCQM | Cook Municipal Airport | MN | C | y | 47.82 | -92.69 | 1318.9 |
| KP59 | Copper Harbor | MI | E | y | 47.45 | -87.9 | 610.236 |
| KCCU | Copper Mountain (12,400 feet) | CO | M | y | 39.475 | -106.153 | 12073.5 |
| PACV | Cordova/Merle K | AK | K | y | 60.5 | -145.5 | 41.01 |
| KCRX | Corinth - Roscoe Turner Airport | MS | C | y | 34.915 | -88.6035 | 425 |
| KAJO | Corona Airport | CA | P | y | 33.87 | -117.57 | 163 |
| KCRV | Corona Pass (11,608 feet) | CO | M | y | 40.0503 | -105.584 | |
| K4CR | Corona/Lincoln | NM | M | y | 34.11 | -105.68 | 6499.34 |
| KCRP | Corpus Christi International Airport | TX | C | y | 27.77 | -97.5 | 43.963 |
| KNGP | Corpus Christi, Naval Air Station | TX | C | y | 27.683 | -97.283 | 20.013 |
| KCEZ | Cortez/Montezuma Co | CO | M | y | 37.3 | -108.63 | 5915.35 |
| KCVO | Corvallis Muni Awos | OR | P | y | 44.51 | -123.29 | 252.625 |
| K7BM | Cottonwood Pass | CO | M | y | 38.8 | -106.217 | 9826.12 |
| KCOT | Cotulla-La Salle County Airport | TX | C | y | 28.45 | -99.22 | 462.927 |
| KCBF | Council Bluffs | IA | C | y | 41.27 | -95.77 | 1253.28 |
| KCVG | Covington / Cincinnati / Northern Kentucky | KY | E | y | 39.05 | -84.67 | 886.155 |
| KDAY | Cox Dayton International Airport | OH | E | y | 39.91 | -84.2 | 1026.9 |
| KCZD | Cozad Municipal Airport | NE | C | y | 40.867 | -100 | 2500 |
| KCAG | Craig-Moffat(amos) | CO | M | y | 40.51 | -107.53 | 6282.81 |
| KCDD | Crane Lake, Scotts Seaplane Base | MN | C | y | 48.27 | -92.57 | 1148.29 |
| KINS | Creech AFB, Indian Springs | NV | P | y | 36.583 | -115.667 | 3133.2 |
| KCEC | Crescent City | CA | P | y | 41.79 | -124.24 | 56.102 |
| KCSQ | Creston | IA | C | y | 41.02 | -94.37 | 1292.65 |
| KCEW | Crestview, Sikes Airport | FL | C | y | 30.79 | -86.52 | 189.961 |
| KCKN | Crookston Municipal Field | MN | C | y | 47.86 | -96.62 | 895.669 |
| KCTY | Cross City Airport | FL | E | y | 29.64 | -83.1 | 38.058 |
| KCSV | Crossville Memorial-Whitson Field Airport | TN | C | y | 35.96 | -85.08 | 1867.13 |
| TTCP | Crown Pt./Scarborou | TT | A | n | 11.15 | -60.833 | 36.089 |
| KCJR | Culpeper County Airport | VA | E | y | 38.53 | -77.86 | 311.68 |
| KUBE | Cumberland Municipal Airport | WI | C | y | 45.506 | -91.9811 | 1241 |
| TNCC | Curacao/Aeropuerto Hato | PR | A | n | 12.2 | -68.967 | 29.528 |
| K9W7 | Currituck | NC | E | y | 36.3989 | -76.0161 | |
| KONX | Currituck County Airport | NC | E | y | 36.3989 | -76.0161 | |
| KBBD | Curtis Field Airport | TX | C | y | 31.183 | -99.317 | 1827.43 |
| KCUH | Cushing Municipal Airport | OK | C | y | 35.95 | -96.767 | 915.354 |
| KCUT | Custer County Airport | SD | M | y | 43.733 | -103.618 | 5600.39 |
| KCTB | Cut Bank (awos) | MT | M | y | 48.61 | -112.37 | 3763.12 |
| KDHT | Dalhart Municipal Airport | TX | C | y | 36.03 | -102.55 | 3990.16 |
| KADS | Dallas / Addison Airport | TX | C | y | 32.98 | -96.83 | 643.045 |
| KDFW | Dallas / Fort Worth International Airport | TX | C | y | 32.91 | -97.03 | 560.039 |
| KRBD | Dallas Executive Airport | TX | C | y | 32.69 | -96.87 | 659.449 |
| KDAL | Dallas Love Field | TX | C | y | 32.86 | -96.85 | 439.961 |
| KDNN | Dalton Municipal Airport | GA | E | y | 34.72 | -84.87 | 708.661 |
| KDXR | Danbury Municipal Airport | CT | E | y | 41.37 | -73.48 | 456.037 |
| KDSV | Dansville Municipal Airport | NY | E | y | 42.567 | -77.717 | 659.449 |
| KDAN | Danville Regional Airport | VA | E | y | 36.58 | -79.33 | 577.1 |
| KDNV | Danville, Vermilion County Airport | IL | C | y | 40.2 | -87.6 | 695.538 |
| KUDG | Darlington County Jetport Airport | SC | E | y | 34.45 | -79.883 | 193.57 |
| KDVN | Davenport Municipal Airport | IA | C | y | 41.62 | -90.58 | 753 |
| KDMA | Davis-Monthan AFB | AZ | M | n | 32.18 | -110.88 | 2618.11 |
| KFFO | Dayton / Wright-Patterson Air Force Base | OH | E | y | 39.84 | -84.05 | 819.882 |
| KMGY | Dayton General Airport South Airport | OH | E | y | 39.59 | -84.22 | 961.286 |
| KDAB | Daytona Beach International Airport | FL | E | y | 29.18 | -81.05 | 28.871 |
| KDEQ | De Queen, Helms Sevier County Airport | AR | C | y | 34.05 | -94.4 | 351.05 |
| KDHS | Dead Horse | WY | M | y | 44.21 | -106.1 | |
| PASC | Deadhorse Airport | AK | K | y | 70.2 | -148.47 | 76.115 |
| KDEC | Decatur Airport | IL | C | y | 39.84 | -88.87 | 698.819 |
| KLUD | Decatur Municipal Airport | TX | C | y | 33.255 | -97.581 | 1046.59 |
| KDCU | Decatur, Pryor Field | AL | C | y | 34.66 | -86.94 | 590.551 |
| KDEH | Decorah | IA | C | y | 43.28 | -91.73 | 1158.14 |
| KDEW | Deer Park (was 07s) | WA | P | y | 47.974 | -117.428 | 2204.72 |
| KDVT | Deer Valley/Phoenix | AZ | M | n | 33.69 | -112.08 | 1476.38 |
| PADE | Deering Airport | AK | K | y | 66.08 | -162.75 | 29.528 |
| KDFI | Defiance Memorial Airport | OH | E | y | 41.34 | -84.43 | 718.504 |
| KGWB | DeKalb County Airport | IN | E | Y | 41.4 | -84.99 | 817 |
| KDKB | DeKalb Taylor Municipal Airport | IL | C | y | 41.93 | -88.72 | 915.354 |
| KDRT | Del Rio International Airport | TX | C | y | 29.38 | -100.92 | 999.016 |
| KDED | Deland Municipal Airport | FL | E | y | 29.07 | -81.28 | 80 |
| KU24 | Delta | UT | M | y | 39.34 | -112.59 | 4639.11 |
| PABI | Delta Junction/Allan AAF | AK | K | y | 63.97 | -145.7 | 1268.05 |
| KDMN | Deming Municipal | NM | M | y | 32.26 | -107.7 | 4422.57 |
| KDNS | Denison | IA | C | y | 41.98 | -95.38 | 1272.97 |
| KDTO | Denton Municipal Airport | TX | C | y | 33.2 | -97.18 | 646.325 |
| KDEN | Denver Intnl Arpt | CO | M | y | 39.87 | -104.67 | 5414.04 |
| KAPA | Denver/Centennial | CO | M | y | 39.57 | -104.85 | 5882.55 |
| KDSM | Des Moines International Airport | IA | C | y | 41.54 | -93.65 | 957.021 |
| KDTS | Destin, Ft. Walton Beach Airport | FL | C | y | 30.4 | -86.47 | 22.966 |
| KDET | Detroit City Airport | MI | E | y | 42.4 | -83.017 | 625 |
| KDTL | Detroit Lakes Automatic Weather Observing / Report | MN | C | y | 46.83 | -95.88 | 1397.64 |
| KDTW | Detroit Metropolitan Wayne County Airport | MI | E | y | 42.23 | -83.33 | 636.155 |
| KYIP | Detroit, Willow Run Airport | MI | E | y | 42.23 | -83.53 | 715.879 |
| KDVL | Devils Lake Automatic Weather Observing/Reporting | ND | C | y | 48.12 | -98.9 | 1453.41 |
| KM89 | Dexter B Florence Memorial Field Airport | AR | C | y | 34.1 | -93.07 | 182 |
| KDIK | Dickinson Theodore Roosevelt Regional Airport | ND | M | y | 46.79 | -102.8 | 2584.97 |
| PADL | Dillingham Municipal | AK | K | y | 59.05 | -158.52 | 95.144 |
| KDLN | Dillon Airport | MT | M | y | 45.26 | -112.55 | 5241.14 |
| KTOB | Dodge Center Airport | MN | C | y | 44.018 | -92.831 | 1305.77 |
| KDDC | Dodge City Regional Airport | KS | C | y | 37.78 | -99.97 | 2594.16 |
| KGYH | Donaldson Center Airport | SC | E | y | 34.75 | -82.367 | 954.724 |
| KDHN | Dothan Airport | AL | C | y | 31.32 | -85.45 | 320.866 |
| KAEG | Double Eagle II Apt | NM | M | y | 35.15 | -106.8 | 5836.61 |
| KDUG | Douglas Bisbee Intl Airport | AZ | M | n | 31.45 | -109.6 | 4136.15 |
| KDQH | Douglas Municipal Airport | GA | E | y | 31.477 | -82.861 | 255.906 |
| KDGW | Douglas/Converse County Airport | WY | M | y | 42.8 | -105.39 | 4927.82 |
| KDOV | Dover Air Force Base | DE | E | y | 39.14 | -75.47 | 22.966 |
| KDYL | Doylestown Airport | PA | E | y | 40.33 | -75.12 | 393.701 |
| KDIJ | Driggs-Reed Memorial Airport | ID | M | y | 43.7417 | -111.098 | |
| K3DU | Drummond | MT | M | y | 46.68 | -113.15 | 4000 |
| KDRM | Drummond Island Airport | MI | C | y | 0 | 0 | |
| K6R6 | Dryden Terrell County Airport | TX | C | y | 30.422 | -102.278 | 2319.55 |
| KPSK | Dublin / New River Valley | VA | E | y | 37.14 | -80.68 | 2105.97 |
| KDUJ | DuBois Regional Airport | PA | E | y | 41.19 | -78.9 | 1813.98 |
| KDBQ | Dubuque Regional Airport | IA | C | y | 42.41 | -90.7 | 1056.1 |
| KDPG | Dugway Prvg Ground | UT | M | y | 40.21 | -112.93 | 4347.11 |
| KDLH | Duluth International Airport | MN | C | y | 46.84 | -92.18 | 1423.89 |
| KDUC | Duncan/Halliburton Field Airport | OK | C | y | 34.47 | -97.96 | 1112.2 |
| KD95 | Dupont-Lapeer Airport | MI | E | y | 43.0665 | -83.2715 | 835 |
| KDRO | Durango/La Plata Co | CO | M | y | 37.16 | -107.75 | 6686.35 |
| KDUA | Durant/Eaker Field Airport | OK | C | y | 33.94 | -96.39 | 698.819 |
| KDYR | Dyersburg Automatic Weather Observing / Reporting | TN | C | y | 36.03 | -89.4 | 336.942 |
| PAEG | Eagle Airport | AK | K | y | 64.78 | -141.15 | 879.265 |
| KEGE | Eagle Co. Regional | CO | M | y | 39.66 | -106.92 | 6497.05 |
| KEGV | Eagle River Union Airport | WI | C | y | 45.93 | -89.27 | 1640.42 |
| KBYH | Eaker Air Force Base | AR | C | y | 35.967 | -89.95 | 262.139 |
| KBIJ | Early County Airport | GA | E | y | 31.3969 | -84.895 | |
| K11J | Early County Airport | GA | E | y | 31.397 | -84.895 | 213.255 |
| KEHC | EAST CAMERON 278 | | C | Y | 28.642 | 89.794 | 0 |
| KE12 | East Cameron 345 | LA | C | y | 28.083 | -92.7 | 0 |
| KHTO | East Hampton Airport | NY | E | y | 40.98 | -72.25 | 55.774 |
| KGGG | East Texas Regional Airport | TX | C | y | 32.38 | -94.71 | 406.824 |
| KESN | Easton/Newman Field Airport | MD | E | y | 38.8 | -76.067 | 72.178 |
| KEAU | Eau Claire, Chippewa Valley Regional Airport | WI | C | y | 44.88 | -91.48 | 890.092 |
| KEDE | Edenton, Northeastern Regional Airport | NC | E | y | 36.03 | -76.57 | 19.685 |
| KPRG | Edgar County Airport | IL | C | y | 39.7 | -87.67 | 652.887 |
| KEBG | Edinburg Intl Airport | TX | C | y | 26.442 | -98.129 | 78.74 |
| KEDW | Edwards AFB | CA | P | y | 34.91 | -117.87 | 2315.95 |
| K9L2 | Edwards Air Force Aux No Base | CA | P | y | 34.983 | -117.867 | 2299.87 |
| KECU | Edwards County Airport | TX | C | y | 29.95 | -100.167 | 2372.05 |
| K1H2 | Effingham | IL | C | y | 39.07 | -88.53 | 587.27 |
| PAII | Egegik Automatic Weather Observing / Reporting Sys | AK | K | y | 58.42 | -157.37 | 390.42 |
| KNJK | El Centro Naf | CA | P | y | 32.83 | -115.68 | -42.979 |
| KELD | El Dorado, So. Arkansas Regional at Goodwin Field | AR | C | y | 33.23 | -92.8 | 251.969 |
| KEMT | El Monte | CA | P | y | 34.09 | -118.03 | 295.276 |
| KELP | El Paso International Airport | TX | M | y | 31.8 | -106.4 | 3917 |
| KRQO | El Reno Municipal Air Park | OK | C | y | 35.4725 | -98.0056 | |
| K27A | Elbert Co. Airport-Patz Field | GA | E | y | 34.095 | -82.816 | 603.675 |
| KMNH | Elbert Mountain | CO | M | y | 39.219 | -104.641 | 7060.37 |
| KY63 | Elbow Lake Municipal Airport - Elbow Lake, MN | MN | C | Y | 45.9861 | -95.992 | 1205 |
| PAEL | Elfin Cove Seaplane | AK | K | y | 58.21 | -136.35 | 0 |
| KECG | Elizabeth City Coast Guard Air Sta | NC | E | y | 36.26 | -76.17 | 13.123 |
| KEYF | Elizabethtown-Curtis L Brown Field Airport | NC | E | y | 34.602 | -78.579 | 131.234 |
| KEHA | Elkhart Automatic Weather Observing / Reporting | KS | C | y | 37.01 | -101.88 | 3605.64 |
| KEKM | Elkhart Municipal | IN | E | y | 41.73 | -86 | 797.244 |
| KEKN | Elkins-Randolph County-Jennings Randolph Field | WV | E | y | 38.89 | -79.85 | 1948.16 |
| KEKO | Elko | NV | P | y | 40.825 | -115.792 | 5080.05 |
| KELN | Ellensburg/Bowers | WA | P | y | 47.03 | -120.53 | 1729 |
| KABH | Ellicott/USAF Academy Bullseye Auxiliary Airstrip | CO | M | y | 38.7578 | -104.308 | 6037 |
| KRCA | Ellsworth Air Force Base | SD | M | y | 44.15 | -103.1 | 3214.9 |
| KELM | Elmira / Corning Regional Airport | NY | E | y | 42.18 | -76.9 | 955.052 |
| KELO | Ely Municipal Automatic Weather Observing / Report | MN | C | y | 47.91 | -91.82 | 1492.78 |
| KELY | Ely/Yelland Field | NV | P | y | 39.295 | -114.845 | 6262.14 |
| PAEM | Emmonak | AK | K | y | 62.77 | -164.5 | 13.123 |
| KEMP | Emporia | KS | C | y | 38.34 | -96.2 | 1208.99 |
| KEMV | Emporia-Greensville Reg Airport | VA | E | y | 36.69 | -77.48 | 127.953 |
| KWDG | Enid / Woodring Municipal | OK | C | y | 36.39 | -97.8 | 1167.98 |
| KEPH | Ephrata Municipal | WA | P | y | 47.33 | -119.52 | 1266.08 |
| KERI | Erie International Airport | PA | E | y | 42.08 | -80.18 | 729.987 |
| KEIK | Erie Municipal Airport | CO | M | y | 40.01 | -105.05 | 5130 |
| KHRJ | Erwin, Harnett County Airport | NC | E | y | 35.38 | -78.73 | 196.85 |
| KESC | Escanaba-Delta County Airport | MI | E | y | 45.73 | -87.08 | 613.517 |
| KEST | Estherville Municipal Airport | IA | C | y | 43.4 | -94.75 | 1315.62 |
| K3B6 | Eugene Island 300 | LA | C | y | 28.083 | -92.7 | 3.281 |
| KEUG | Eugene/Mahlon Sweet | OR | P | y | 44.12 | -123.22 | 354.987 |
| PAZK | Eureka | AK | K | y | 61.93 | -147.17 | 3287.4 |
| KEKA | Eureka | CA | P | y | 40.8 | -124.167 | 59.055 |
| KP68 | Eureka (ramos) | NV | P | y | 39.6014 | -116.006 | 6538.71 |
| KEVW | Evanston/Burns | WY | M | y | 41.27 | -111.03 | 7162.07 |
| KEVV | Evansville Regional Airport | IN | C | y | 38.05 | -87.53 | 380.906 |
| KEVM | Eveleth Municipal Automatic Weather Observing | MN | C | y | 47.41 | -92.5 | 1381.23 |
| KPAE | Everett/Paine Field | WA | P | y | 47.91 | -122.28 | 620.079 |
| KGZH | Evergreen, Middleton Field | AL | C | y | 31.42 | -87.04 | 255.906 |
| PAEI | Fairbanks / Eielson Air Force Base | AK | K | y | 64.65 | -147.067 | 547.9 |
| PAFA | Fairbanks International Airport | AK | K | y | 64.82 | -147.87 | 436.024 |
| KSKA | Fairchild AFB | WA | P | y | 47.62 | -117.65 | 2437.99 |
| KFFL | Fairfield | IA | C | y | 41.05 | -91.98 | 800.525 |
| KFWC | Fairfield Municipal Airport | IL | C | y | 38.38 | -88.42 | 436.352 |
| KFRM | Fairmont Municipal Automatic Weather Observing | MN | C | y | 43.66 | -94.42 | 1161.42 |
| KD07 | Faith | SD | M | y | 45.04 | -102.02 | 2582.02 |
| NSFA | Faleolo Intl/Apia | WS | S | n | -13.817 | -172 | 16.404 |
| KNFL | Fallon Nas | NV | P | y | 39.4322 | -118.686 | 3934.05 |
| KFNB | Falls City, Brenner Field Airport | NE | C | y | 40.08 | -95.58 | 984.252 |
| KINL | Falls International Airport | MN | C | y | 48.58 | -93.38 | 1179.13 |
| PAFK | Farewell Lake Seaplane Base | AK | K | y | 62.54 | -153.62 | 1502.95 |
| KFAR | Fargo, Hector International Airport | ND | C | y | 46.91 | -96.8 | 899.934 |
| KFBL | Faribault Municipal Automatic Weather Observing | MN | C | y | 44.34 | -93.31 | 1056.43 |
| KFRG | Farmingdale, Republic Airport | NY | E | y | 40.73 | -73.41 | 85.302 |
| KFAM | Farmington Airport | MO | C | y | 37.76 | -90.43 | 898.95 |
| KFMN | Farmington Regional | NM | M | y | 36.76 | -108.23 | 5495.08 |
| KFVX | Farmville | VA | E | y | 37.35 | -78.43 | 410.105 |
| NFTF | Fau Amotu | TO | T | n | -21.233 | -175.15 | 134.514 |
| KFAY | Fayetteville Regional Airport | NC | E | y | 34.99 | -78.88 | 193.57 |
| KFYV | Fayetteville, Drake Field | AR | C | y | 36.01 | -94.17 | 1250.98 |
| KXNA | Fayetteville/Springdale, NW Arkansas Regl Airport | AR | C | y | 36.282 | -94.307 | 1286.09 |
| KFFM | Fergus Falls Automatic Weather Observing/Reporting | MN | C | y | 46.3 | -96.07 | 1184.38 |
| KFHB | Fernandina Beach Municipal Airport | FL | E | y | 30.6118 | -81.4612 | 16 |
| K04W | Field of Dreams Airport | MN | C | y | 46.0229 | -92.8952 | 1021 |
| KFDY | Findlay Airport | OH | E | y | 41.03 | -83.67 | 799.869 |
| KFIR | First Divide | WY | M | y | 41.29 | -110.77 | |
| KFFA | First Flight Airport | NC | E | y | 36.017 | -75.667 | 13.123 |
| KFPK | Fitch Beach Airport | MI | E | y | 42.57 | -84.81 | 889.108 |
| KFIT | Fitchburg Municipal Airport | MA | E | y | 42.55 | -71.76 | 348.097 |
| KFGN | Flag Island | MN | C | y | 49.32 | -94.88 | 1076.11 |
| KXFL | Flagler County Airport | FL | E | y | 29.4674 | -81.2063 | 33 |
| KFLG | Flagstaff (amos) | AZ | M | n | 35.14 | -111.67 | 6993.11 |
| KCKM | Fletcher Field Airport | MS | C | y | 34.2997 | -90.5123 | 173 |
| KFNT | Flint, Bishop International Airport | MI | E | y | 42.98 | -83.73 | 766.076 |
| KFLP | Flippin Automatic Weather Observing/Reporting Sys | AR | C | y | 36.29 | -92.59 | 1148.29 |
| KFOA | Flora Municipal Airport | IL | C | y | 38.67 | -88.45 | 472.441 |
| K0J4 | Florala Municipal Airport | FL | E | y | 31.033 | -86.317 | 1030.18 |
| KFCG | Florence | OR | P | y | 0 | 0 | |
| KFLO | Florence Regional Airport | SC | E | y | 34.19 | -79.72 | 145.997 |
| K3A1 | Folsom Field Airport | AL | C | y | 34.269 | -86.858 | 964.567 |
| KFLD | Fond Du Lac County Airport | WI | C | y | 43.77 | -88.49 | 807.087 |
| KMRN | Foothills Regional Airport | NC | E | y | 35.82 | -81.61 | 1269.69 |
| KFXY | Forest City Municipal Airport | IA | C | y | 43.235 | -93.624 | 1230 |
| KDAA | Fort Belvoir | VA | E | y | 38.73 | -77.18 | 88.911 |
| KLSF | Fort Benning | GA | E | y | 32.34 | -85 | 226.05 |
| KFBG | Fort Bragg / Simmons Army Airfield | NC | E | y | 35.14 | -78.93 | 246.063 |
| KHOP | Fort Campbell U. S. Army Airfield | KY | C | y | 36.669 | -87.496 | 561.024 |
| KFCS | Fort Carson/Butts | CO | M | y | 38.69 | -104.77 | 5871.06 |
| KFNL | Fort Collins (awos) | CO | M | y | 40.46 | -105.01 | 5016.4 |
| KFOD | Fort Dodge | IA | C | y | 42.55 | -94.18 | 1164.7 |
| KGTB | Fort Drum / Wheeler-Sack U. S. Army Airfield | NY | E | y | 44.05 | -75.74 | 679.134 |
| KFAF | Fort Eustis / Felker | VA | E | y | 37.14 | -76.62 | 22.966 |
| KHLR | Fort Hood | TX | C | y | 31.15 | -97.717 | 918.963 |
| KFHU | Fort Huachuca/Libby | AZ | M | n | 31.58 | -110.33 | 4665.03 |
| KFTK | Fort Knox | KY | E | y | 37.9 | -85.967 | 784.121 |
| KFLL | Fort Lauderdale / Hollywood Intl Airport | FL | E | y | 26.07 | -80.15 | 7.874 |
| KFXE | Fort Lauderdale Executive Airport | FL | E | y | 26.2 | -80.17 | 13.123 |
| KTBN | Fort Leonard Wood | MO | C | y | 37.733 | -92.15 | 1151.9 |
| KGRF | Fort Lewis/Gray Aaf | WA | P | y | 47.09 | -122.58 | 301.837 |
| KFSW | Fort Madison | IA | C | y | 40.67 | -91.33 | 725.066 |
| KFMY | Fort Myers, Page Field | FL | E | y | 26.58 | -81.87 | 15.092 |
| KRSW | Fort Myers, SW Florida Intl Airport | FL | E | y | 26.54 | -81.76 | 29.528 |
| KFPR | Fort Pierce, St. Lucie County Intl Airport | FL | E | y | 27.5 | -80.37 | 22.966 |
| KPOE | Fort Polk | LA | C | y | 31.05 | -93.183 | 334.974 |
| KFRI | Fort Riley | KS | C | y | 39.05 | -96.767 | 1062.99 |
| KFSI | Fort Sill | OK | C | y | 34.65 | -98.383 | 1204.07 |
| KFSM | Fort Smith Regional Airport | AR | C | y | 35.34 | -94.37 | 449.147 |
| KFST | Fort Stockton-Pecos County Airport | TX | C | y | 30.91 | -102.91 | 3087.27 |
| KFWA | Fort Wayne International Airport | IN | E | y | 41.01 | -85.2 | 816.929 |
| KAFW | Fort Worth Alliance Airport | TX | C | y | 32.98 | -97.32 | 741.47 |
| KFWS | Fort Worth Spinks Airport | TX | C | y | 32.51 | -97.3 | 764.436 |
| KFTW | Fort Worth, Meacham International Airport | TX | C | y | 32.83 | -97.35 | 687.008 |
| KNFW | Fort Worth, Naval Air Station | TX | C | y | 32.767 | -97.45 | 607.94 |
| PFYU | Fort Yukon | AK | K | y | 66.57 | -145.27 | 444.882 |
| KFSE | Fosston Automatic Weather Observing/Reporting Sys | MN | C | y | 47.593 | -95.773 | 1272.97 |
| KJXI | Fox Stephens Field - Gilmer Municipal Airport | TX | C | y | 32.699 | -94.948 | 415 |
| KFKS | Frankfort | MI | C | y | 44.617 | -86.2 | 633.202 |
| KFFT | Frankfort, Capital City Airport | KY | E | y | 38.18 | -84.9 | 803.806 |
| KFKN | Franklin / J B Rose | VA | E | y | 36.7 | -76.9 | 39.042 |
| KFKL | Franklin Automatic Weather Observing / Reporting | PA | E | y | 41.39 | -79.87 | 1541.99 |
| KFSO | Franklin County State Airport | VT | E | y | 44.9403 | -73.0975 | 228 |
| K1A5 | Franklin/Macon County Airport | NC | E | y | 35.217 | -83.417 | 2021 |
| KFDK | Frederick Municipal Airport | MD | E | y | 39.418 | -77.374 | 308.071 |
| KFDR | Frederick Municipal Airport | OK | C | y | 34.35 | -98.98 | 1236.88 |
| KT82 | Fredericksburg | TX | C | y | 30.244 | -98.91 | 1696.19 |
| KFET | Fremont Municipal Airport | NE | C | y | 41.45 | -96.53 | 1243.44 |
| KFFX | Fremont Municipal Airport | MI | E | y | 43.26 | -85.594 | 722 |
| KFVE | Frenchville, Northern Aroostook Regional Airport | ME | E | y | 47.29 | -68.32 | 1013.78 |
| KFAT | Fresno Air Terminal | CA | P | y | 36.78 | -119.72 | 333.005 |
| KFHR | Friday Harbor | WA | P | y | 48.52 | -123.02 | 108.268 |
| KFTG | Front Range Airport | CO | M | y | 39.785 | -104.543 | 5606.96 |
| KIZG | Fryeburg, Eastern Slopes Regional Airport | ME | E | y | 43.98 | -70.95 | 449.475 |
| KFME | Ft Meade/Tipton | MD | E | y | 39.083 | -76.767 | 0 |
| KBKB | Ft. Polk/Fullerton Landing | LA | C | y | 31 | -92.967 | 308.399 |
| KAQV | Ft. Polk/Peason Ridge | LA | C | y | 31.4 | -93.283 | 364.173 |
| KDNK | Ft. Polk/Self Strip | LA | C | y | 31.1 | -93 | 374.016 |
| KLHW | Ft. Stewart | GA | E | y | 31.88 | -81.57 | 45.932 |
| KFUL | Fullerton Municipal | CA | P | y | 33.87 | -117.98 | 95.144 |
| KRCR | Fulton County Airport | IN | E | y | 41.0655 | -86.1817 | 790 |
| KFZY | Fulton, Oswego County Airport | NY | E | y | 43.36 | -76.39 | 475.722 |
| NGFU | Funafuti | TV | R | n | -8.533 | 179.217 | 6.89 |
| KGAD | Gadsden Municipal Automatic Weather Observing | AL | C | y | 33.97 | -86.09 | 567.585 |
| KGAG | Gage Airport | OK | C | y | 36.3 | -99.77 | 2190.95 |
| KGNC | Gaines County Airport | TX | C | y | 32.667 | -102.65 | 3313.65 |
| KGLE | Gainesville Municipal Airport | TX | C | y | 33.652 | -97.2 | 839.895 |
| KGNV | Gainesville Regional Airport | FL | E | y | 29.68 | -82.27 | 133.858 |
| KGVL | Gainesville, Gilmer Memorial Airport | GA | E | y | 34.26 | -83.83 | 1276.25 |
| PAGB | Galbraith Lake | AK | K | y | 68.49 | -149.49 | 2670.6 |
| PAGA | Galena A. | AK | K | y | 64.74 | -156.94 | 160.761 |
| KGBG | Galesburg Municipal Airport | IL | C | y | 40.94 | -90.43 | 764.436 |
| K2GL | Galliano Heliport | LA | C | y | 29.417 | -90.3 | 6.562 |
| KGUP | Gallup Muni/Clarke | NM | M | y | 35.53 | -108.78 | 6465.88 |
| KGLS | Galveston, Scholes Field | TX | C | y | 29.27 | -94.87 | 6 |
| PAGM | Gambell Airport | AK | K | y | 63.77 | -171.74 | 24.934 |
| KGCK | Garden City Regional Airport | KS | C | y | 37.94 | -100.72 | 2881.89 |
| KGAR | Garibaldi | OR | P | y | 0 | 0 | |
| KUVA | Garner Field Airport | TX | C | y | 29.211 | -99.744 | 964.567 |
| K2G4 | Garrett County Airport | MD | E | y | 39.5803 | -79.3394 | 2933 |
| KN60 | Garrison | ND | C | y | 47.61 | -101.4 | 1925.85 |
| KAKH | Gastonia Municipal Airport | NC | E | y | 35.2 | -81.15 | 797.244 |
| KGOP | Gatesville | TX | C | y | 31.417 | -97.783 | 905.512 |
| KGLR | Gaylord, Otsego County Airport | MI | E | y | 45.024 | -84.678 | 1332.02 |
| KPIA | General Downing - Peoria International Airport | IL | C | y | 40.66 | -89.68 | 682.087 |
| KSTF | George M Bryan Airport | MS | C | y | 33.4331 | -88.8486 | 333 |
| KGTU | Georgetown Automatic Weather Observing / Reporting | TX | C | y | 30.69 | -97.69 | 787.402 |
| KGGE | Georgetown County Airport | SC | E | y | 33.3114 | -79.3203 | 40 |
| KGED | Georgetown, Sussex County Airport | DE | E | y | 38.7 | -75.36 | 52.493 |
| KGYB | Giddings-Lee County Airport | TX | C | y | 30.1693 | -96.98 | 485 |
| KGBN | Gila Bend (aaf) | AZ | M | n | 32.89 | -112.72 | 853.018 |
| KGIF | Gilbert Field | FL | E | y | 28.05 | -81.75 | 144.357 |
| KGCC | Gillette | WY | M | y | 44.36 | -105.53 | 4035.43 |
| KGPI | Glacier Park International Airport | MT | M | y | 48.3042 | -114.264 | |
| KGGW | Glasgow Intl Arpt | MT | M | y | 48.21 | -106.63 | 2293.96 |
| KGLW | Glasgow Municipal Airport | KY | C | y | 36.963 | -85.946 | 715.223 |
| KGYL | Glencoe Municipal Airport | MN | C | y | 44.757 | -94.082 | 990.814 |
| KGEU | Glendale | AZ | M | n | 33.53 | -112.3 | 1066.27 |
| KGDV | Glendive(awos) | MT | M | y | 47.14 | -104.8 | 2457.35 |
| KGFL | Glens Falls, Warren County Airport | NY | E | y | 43.36 | -73.62 | 320.866 |
| KGHW | Glenwood Automatic Surface Observing System | MN | C | y | 45.65 | -95.32 | 1394.36 |
| TKPK | Golden Rock-Saint Kitts-Nexus | VI | A | n | 17.3 | -62.683 | 157.48 |
| KGTR | Golden Tri Automatic Weather Observing / Reporting | MS | C | y | 33.46 | -88.58 | 262.467 |
| KGWW | Goldsboro-Wayne Muni Airport | NC | E | y | 35.46 | -77.96 | 134.514 |
| PAGL | Golovin Airport | AK | K | y | 64.54 | -163.04 | 26.247 |
| KGLD | Goodland, Renner Field | KS | M | y | 39.38 | -101.7 | 3645.01 |
| KGYR | Goodyear Municipal | AZ | M | n | 33.42 | -112.39 | 967.848 |
| KGSH | Goshen Municipal Airport | IN | E | y | 41.53 | -85.79 | 827.1 |
| KRPH | Graham Municipal Airport | TX | C | y | 33.11 | -98.555 | 1122.05 |
| KGDJ | Granbury Municipal Airport | TX | C | y | 32.444 | -97.817 | 777.559 |
| KGCN | Grand Canyon Park | AZ | M | n | 35.96 | -112.15 | 6774.93 |
| K40G | Grand Canyon, Valle Airport | AZ | M | n | 35.65 | -112.15 | 600.066 |
| KRDR | Grand Forks Air Force Base | ND | C | y | 47.933 | -97.383 | 905.84 |
| KGFK | Grand Forks International Airport | ND | C | y | 47.96 | -97.18 | 838.911 |
| KGRI | Grand Island, Central Nebraska Regional Airport | NE | C | y | 40.98 | -98.32 | 1859.91 |
| KGJT | Grand Junction | CO | M | y | 39.12 | -108.53 | 4839.9 |
| KCKC | Grand Marais/Cook County Airport | MN | C | y | 47.84 | -90.38 | 1656.82 |
| KGPM | Grand Prairie Municipal Airport | TX | C | y | 32.699 | -97.047 | 590.551 |
| KGPZ | Grand Rapids Automatic Weather Observing/Reporting | MN | C | y | 47.23 | -93.52 | 1354.99 |
| KGRR | Grand Rapids, Gerald R. Ford International Airport | MI | E | y | 42.89 | -85.52 | 792.979 |
| KGIC | Grangeville, Idaho County Airport, ID | ID | P | y | 45.9426 | -116.123 | 3314 |
| KGDB | Granite Falls Municipal Airport | MN | C | y | 44.7533 | -95.556 | 1047 |
| KGCD | Grant County Regional Airport/Ogilvie Field | OR | P | y | 44.4029 | -118.968 | 3703 |
| TBPB | Grantley Adams | BB | A | n | 13.067 | -59.483 | 183.727 |
| KGNT | Grants-Milan Municipal Airport | NM | M | y | 35.18 | -107.9 | 6520.01 |
| KGOV | Grayling AAF Airport | MI | E | y | 44.68 | -84.72 | 1158.14 |
| KGBD | Great Bend Automatic Weather Observing / Reporting | KS | C | y | 38.34 | -98.86 | 1886.48 |
| KGTF | Great Falls Intl Airport | MT | M | y | 47.47 | -111.38 | 3687.99 |
| KBUF | Greater Buffalo International Airport | NY | E | y | 42.94 | -78.73 | 711.942 |
| KCBE | Greater Cumberland Regional Airport | MD | E | y | 39.617 | -78.767 | 774.278 |
| KIKK | Greater Kankakee Airport | IL | C | y | 41.07 | -87.85 | 646.325 |
| KROC | Greater Rochester International Airport | NY | E | y | 43.12 | -77.67 | 600.066 |
| KGXY | Greeley/Weld (awos) | CO | M | y | 40.43 | -104.63 | 4658.79 |
| KGRB | Green Bay, Austin Straubel International Airport | WI | C | y | 44.48 | -88.13 | 699.147 |
| KXCN | Green Canyon 184 | LA | C | y | 27.767 | -91.517 | 0 |
| KU28 | Green River Range | UT | M | y | 39.01 | -110.15 | 4071.52 |
| K3J7 | Greene County Regional Airport | GA | E | y | 33.6 | -83.133 | 675.853 |
| KGSO | Greensboro, Piedmont Triad International Airport | NC | E | y | 36.01 | -79.95 | 901.903 |
| KGNR | Greenville | ME | E | y | 45.462 | -69.595 | 1036.74 |
| KGVT | Greenville / Majors | TX | C | y | 33.08 | -96.07 | 534.777 |
| KGMU | Greenville Downtown Airport | SC | E | y | 34.85 | -82.35 | 1047.9 |
| KGLH | Greenville Municipal Airport | MS | C | y | 33.48 | -90.98 | 138.123 |
| KGRD | Greenwood County Airport | SC | E | y | 34.233 | -82.15 | 629.921 |
| KGWO | Greenwood-LeFlore Airport | MS | C | y | 33.51 | -90.08 | 154.856 |
| KGSP | Greer, Greenville-Spartanburg Airport | SC | E | y | 34.91 | -82.22 | 957.021 |
| KGEY | Greybull/S Big Horn Airport | WY | M | y | 44.52 | -108.08 | 3933.73 |
| KGGI | Grinnell Regional Airport | IA | C | y | 41.7092 | -92.7349 | 1008 |
| KGUS | Grissom Air Force Base / Peru | IN | E | y | 40.65 | -86.15 | 830.052 |
| KONZ | Grosse Ile Municipal Airport | MI | E | y | 42.1 | -83.16 | 577.428 |
| KGON | Groton / New London Airport | CT | E | y | 41.33 | -72.05 | 9.843 |
| KGMJ | Grove Municipal Airport | OK | C | y | 36.605 | -94.738 | 833.333 |
| PGUM | Guam International | GU | G | n | 13.48 | 144.8 | 253.937 |
| KGPT | Gulfport-Biloxi Regional Airport | MS | C | y | 30.4 | -89.07 | 29.528 |
| PAGK | Gulkana Airport | AK | K | y | 62.15 | -145.45 | 1569.88 |
| KGUC | Gunnison Co. (awos) | CO | M | y | 38.55 | -106.92 | 7673.88 |
| PAGS | Gustavus | AK | K | y | 58.42 | -135.73 | 40.026 |
| KGOK | Guthrie-Edmond Regional Airport | OK | C | y | 35.85 | -97.42 | 1072.83 |
| KGUY | Guymon / Guymon Municipal Airport | OK | C | y | 36.69 | -101.51 | 3123.36 |
| KSAW | Gwinn, Sawyer Airport | MI | E | y | 46.354 | -87.394 | 1253.28 |
| KCMR | H.A. Clark Memorial Field Airport | AZ | M | n | 35.3055 | -112.194 | 6680 |
| KHGR | Hagerstown Regional Airport | MD | E | y | 39.71 | -77.73 | 721.785 |
| KSUN | Hailey/Friedman Mem | ID | M | y | 43.51 | -114.3 | 5314.96 |
| PAHN | Haines Airport | AK | K | y | 59.25 | -135.52 | 30.84 |
| KPVW | Hale County Airport | TX | C | y | 34.168 | -101.717 | 3372.7 |
| KIXA | Halifax-Northampton County Regional Airport | NC | E | y | 36.3298 | -77.6352 | 145 |
| KHCO | Hallock Municipal Airport | MN | C | y | 48.79 | -96.95 | 820.21 |
| KMNZ | Hamilton Municipal Airport | TX | C | y | 31.6659 | -98.1486 | 1299 |
| KHAO | Hamilton, Butler County Regional Airport | OH | E | y | 39.36 | -84.52 | 633.202 |
| KHDC | Hammond Municipal Airport | LA | C | y | 30.52 | -90.42 | 42.651 |
| PHHN | Hana | HI | H | n | 20.784 | -156.014 | 78.74 |
| KHEY | Hanchey Army Heliport (Fort Rucker) | AL | C | y | 31.346 | -86.654 | 317 |
| KCMX | Hancock, Houghton County Memorial Airport | MI | E | y | 47.18 | -88.5 | 1074.15 |
| KHMS | Hanford | WA | P | y | 46.58 | -119.58 | 731.627 |
| KHJO | Hanford | CA | P | y | 36.318 | -119.629 | 246.063 |
| K4HV | Hanksville | UT | M | y | 38.38 | -110.72 | 4308.07 |
| KHAE | Hannibal Regional Airport | MO | C | y | 39.7252 | -91.4439 | 769 |
| KMGN | Harbor Springs Airport | MI | E | y | 45.42 | -84.91 | 685.696 |
| KHNR | Harlan Municipal Airport | IA | C | y | 41.584 | -95.34 | 1230.31 |
| KHRL | Harlingen, Rio Grande Valley International Airport | TX | C | y | 26.23 | -97.67 | 34.121 |
| K3HT | Harlowton | MT | M | y | 46.44 | -109.84 | 4160.1 |
| KCDH | Harrell Field Airport | AR | C | y | 33.623 | -92.763 | 130 |
| KMDT | Harrisburg International Airport | PA | E | y | 40.21 | -76.77 | 303.15 |
| KCXY | Harrisburg, Capital City Airport | PA | E | y | 40.23 | -76.85 | 348.097 |
| KHSB | Harrisburg-Raleigh Airport | IL | C | y | 37.82 | -88.55 | 396.982 |
| KHRO | Harrison, Boone County Airport | AR | C | y | 36.28 | -93.15 | 1105.97 |
| KBWP | Harry Stern Airport | ND | C | y | 46.233 | -96.6 | 967.848 |
| KHFD | Hartford-Brainard Airport | CT | E | y | 41.73 | -72.65 | 20.013 |
| KVSF | Hartness State Springfield Airport | VT | E | y | 43.34 | -72.52 | 577.428 |
| KATL | Hartsfield-Jackson/Atlanta International Airport | GA | E | y | 33.66 | -84.42 | 1009.84 |
| KHVS | Hartsville Regional Airport | SC | E | Y | 34.4031 | -80.1192 | 364 |
| KHSI | Hastings Municipal Airport | NE | C | y | 40.61 | -98.43 | 1955.38 |
| KHSE | Hatteras, Mitchell Field | NC | E | y | 35.23 | -75.62 | 9.843 |
| KHBG | Hattiesburg, Bobby L Chain Municipal Airport | MS | C | y | 31.27 | -89.25 | 150.919 |
| KHVR | Havre (amos) | MT | M | y | 48.55 | -109.77 | 2584.97 |
| KHHR | Hawthorne Municipal | CA | P | y | 33.93 | -118.34 | 68.898 |
| KHTH | Hawthorne Municipal Airport | NV | P | y | 38.55 | -118.633 | 4215.88 |
| KHDN | Hayden/Yampa (awos) | CO | M | y | 40.51 | -107.25 | 6601.05 |
| PAHZ | Hayes River | AK | K | y | 61.99 | -152.09 | 1000.66 |
| KHYS | Hays Municipal Automatic Weather Observing/Report | KS | C | y | 38.86 | -99.27 | 1998.03 |
| KHWD | Hayward Air Term | CA | P | y | 37.66 | -122.12 | 45.932 |
| KHYR | Hayward Municipal Airport | WI | C | y | 46.16 | -91.45 | 1213.91 |
| PAHV | Healy River Airport | AK | K | y | 63.89 | -149.02 | 1299.21 |
| KLHB | Hearne Municipal Airport | TX | C | y | 30.872 | -96.622 | 285.433 |
| KHJH | Hebron Municipal Airport | NE | C | y | 40.152 | -97.587 | 1466.54 |
| KHLN | Helena Regional | MT | M | y | 46.61 | -112 | 3828.08 |
| KHHF | Hemphill County Airport | TX | C | y | 35.895 | -100.404 | 2395.01 |
| KEHR | Henderson City | KY | C | y | 37.82 | -87.69 | 383.858 |
| KHNZ | Henderson-Oxford Airport | NC | E | y | 36.36 | -78.53 | 528.215 |
| KHRX | Hereford Municipal Airport | TX | C | y | 34.86 | -102.33 | 3785 |
| KHRI | Hermiston (was S22) | OR | P | y | 45.826 | -119.261 | 639.764 |
| KHEI | Hettinger Municipal Airport | ND | M | y | 46 | -102.65 | 2703.41 |
| TLPL | Hewanorra Intl Airport | LC | A | n | 13.75 | -60.95 | 32.808 |
| KHKY | Hickory Regional Airport | NC | E | y | 35.76 | -81.38 | 1165.03 |
| KH08 | High Island 264C | LA | C | y | 28.467 | -93.733 | 98.425 |
| KHLD | Hiland | WY | M | y | 43.09 | -107.32 | |
| KHLC | Hill City Municipal Airport | KS | C | y | 39.39 | -99.83 | 2187.99 |
| KINJ | Hillsboro Municipal Airport | TX | C | y | 32.083 | -97.097 | 685.696 |
| KJYM | Hillsdale Municipal Airport | MI | E | y | 41.921 | -84.586 | 1181.1 |
| KHLX | Hillsville | VA | E | y | 36.77 | -80.82 | 2736.22 |
| PHTO | Hilo International Airport | HI | H | n | 19.72 | -155.07 | 29.856 |
| KHXD | Hilton Head Airport | SC | E | y | 32.232 | -80.7 | 0 |
| KHBR | Hobart Municipal Airport | OK | C | y | 35.01 | -99.05 | 1569.88 |
| KHOB | Hobbs/Lea Co. | NM | M | y | 32.69 | -103.2 | 3654.86 |
| KBIV | Holland, Tulip City Airport | MI | E | y | 42.75 | -86.1 | 688.976 |
| KHMN | Holloman AFB | NM | M | y | 32.86 | -106.1 | 4094.49 |
| KHWO | Hollywood, North Perry Airport | FL | E | y | 26 | -80.24 | 6.562 |
| PAHC | Holy Cross Airport | AK | K | y | 62.1883 | -159.775 | 0 |
| KHEQ | Holyoke Airport | CO | M | y | 40.5694 | -102.273 | 3703 |
| PAHO | Homer | AK | K | y | 59.64 | -151.5 | 85.302 |
| KHOE | Homerville Airport | GA | E | y | 31.0559 | -82.7741 | 186 |
| KHST | Homestead Air Force Base | FL | E | y | 25.48 | -80.38 | 9.843 |
| KHDO | Hondo Municipal Airport | TX | C | y | 29.36 | -99.16 | 919.948 |
| PHNL | Honolulu International Airport | HI | H | n | 21.35 | -157.93 | 6.89 |
| KMWO | Hook Field Municipal Airport | OH | E | y | 0 | 0 | |
| PAOH | Hoonah Seaplane | AK | K | y | 58.12 | -135.45 | 19.685 |
| PAHP | Hooper Bay Automatic Weather Observing / Reporting | AK | K | y | 61.54 | -166.16 | 19.685 |
| KHQM | Hoquiam/Bowerman | WA | P | y | 46.98 | -123.97 | 12.139 |
| KHSP | Hot Springs / Ingalls | VA | E | y | 37.96 | -79.82 | 3792.65 |
| KHSS | Hot Springs Aviation Weather Reporting Station | NC | E | y | 35.9 | -82.817 | 1479.66 |
| KHOT | Hot Springs, Memorial Field Airport | AR | C | y | 34.48 | -93.1 | 554.462 |
| KHTL | Houghton Lake, Roscommon County Airport | MI | E | y | 44.38 | -84.68 | 1150.92 |
| KHUL | Houlton International Airport | ME | E | y | 46.14 | -67.78 | 492.126 |
| KHUM | Houma-Terrebonne | LA | C | y | 29.57 | -90.67 | 9.843 |
| KEFD | Houston / Ellington | TX | C | y | 29.62 | -95.17 | 39.042 |
| KDKR | Houston County Airport | OK | C | y | 31.3069 | -95.4036 | |
| KHOU | Houston Hobby Airport | TX | C | y | 29.65 | -95.28 | 84.974 |
| KIAH | Houston Intercontinental Airport | TX | C | y | 29.97 | -95.35 | 95.144 |
| KDWH | Houston, Hooks Memorial Airport | TX | C | y | 30.07 | -95.55 | 150.919 |
| KSGR | Houston, Sugar Land Municipal / Hull Field Airport | TX | C | y | 29.62 | -95.65 | 82.021 |
| KOZW | Howell, Livingston County Airport | MI | E | y | 42.63 | -83.98 | 961.286 |
| KSVN | Hunter U. S. Army Airfield | GA | E | y | 32.03 | -81.15 | 42.651 |
| KHNB | Huntingburg | IN | C | y | 38.26 | -86.95 | 528.215 |
| KHTS | Huntington, Tri-State Airport | WV | E | y | 38.38 | -82.55 | 830.052 |
| KHSV | Huntsville International / Jones Field | AL | C | y | 34.66 | -86.77 | 624.016 |
| KUTS | Huntsville Municipal Airport | TX | C | y | 30.74 | -95.59 | 364.173 |
| KM82 | Huntsville, Madison County Executive Airport | AL | C | y | 34.85 | -86.55 | 757.874 |
| KMDQ | Huntsville-Madison Co Exec Airport | AL | C | y | 34.86 | -86.56 | 754.593 |
| KHRT | Hurlburt Field | FL | E | y | 30.43 | -86.68 | 39.042 |
| KHON | Huron Regional Airport | SD | C | y | 44.39 | -98.22 | 1280.84 |
| PAHS | Huslia | AK | K | y | 65.7 | -156.39 | 180.446 |
| PAHL | Huslia Airport | AK | K | y | 65.6979 | -156.351 | 220 |
| KHCD | Hutchinson Automatic Weather Observing / Reporting | MN | C | y | 44.87 | -94.39 | 1059.71 |
| KHUT | Hutchinson Municipal Airport | KS | C | y | 38.08 | -97.87 | 1521.98 |
| KHYA | Hyannis, Barnstable Municipal-Boardman Airport | MA | E | y | 41.68 | -70.28 | 55.774 |
| PAHY | Hydaburg Seaplane Base | AK | K | y | 55.21 | -132.84 | 0 |
| KIDV | I-25 Divide | WY | M | y | 43.94 | -106.64 | |
| KIDA | Idaho Falls/Fanning | ID | M | y | 43.53 | -112.07 | 4729 |
| PAIG | Igiugig Airport | AK | K | y | 59.324 | -155.902 | 0 |
| PAIL | Iliamna / Iliamna Airport | AK | K | y | 59.76 | -154.92 | 186.024 |
| KVYS | Illinois Valley Rgnl-Walter A Duncan Field Airport | IL | C | y | 41.35 | -89.15 | 652.887 |
| KIPL | Imperial | CA | P | y | 32.84 | -115.57 | -55.774 |
| KNRS | Imperial Beach/Ream | CA | P | y | 32.58 | -117.12 | 20.013 |
| KIML | Imperial Municipal Airport | NE | M | y | 40.54 | -101.63 | 3273.95 |
| KIIB | Independence Muni Airport | IA | C | y | 42.454 | -91.948 | 977.69 |
| PAIM | Indian Mountain Airways Facilities Sector | AK | K | y | 66 | -153.7 | 1220.47 |
| KIDI | Indiana / Stewart Field | PA | E | y | 40.63 | -79.1 | 1407.48 |
| KTYQ | Indianapolis Executive Airport | IN | E | y | 40.0306 | -86.2514 | 922 |
| KIND | Indianapolis International Airport | IN | E | y | 39.73 | -86.27 | 810.039 |
| KEYE | Indianapolis, Eagle Creek Airpark | IN | E | y | 39.825 | -86.296 | 820.21 |
| K7R4 | Intracoastal City | LA | C | y | 29.783 | -92.133 | 16.404 |
| KIKA | Inyan Kara | WY | M | y | 44.29 | -104.62 | |
| KIYK | Inyokern | CA | P | y | 35.66 | -117.83 | 2457.35 |
| KY70 | Ionia County Airport | MI | C | | 42.938 | -85.0606 | 818 |
| KIOW | Iowa City Municipal Airport | IA | C | y | 41.633 | -91.543 | 649.934 |
| KIFA | Iowa Falls Municipal Airport | IA | C | y | 42.4708 | -93.27 | 1137 |
| KIMT | Iron Mountain / Kingsford, Ford Airport | MI | C | y | 45.81 | -88.11 | 1181.1 |
| KIWD | Ironwood Automatic Weather Observing / Reporting | MI | C | y | 46.54 | -90.13 | 1230.31 |
| K4A9 | Isbell Field Airport | AL | C | y | 34.467 | -85.717 | 875.984 |
| KHZX | Isedor Iverson Airport | MN | C | y | 46.617 | -93.317 | 1227.03 |
| KISP | Islip, Long Island Mac Arthur Airport | NY | E | y | 40.8 | -73.1 | 83.99 |
| KITH | Ithaca / Tompkins County | NY | E | y | 42.48 | -76.47 | 1099.08 |
| KIKW | Jack Barstow Airport | MI | E | Y | 43.6629 | -84.2613 | 635 |
| KJKA | Jack Edwards Airport | AL | C | y | 30.2896 | -87.6718 | 17 |
| KJXN | Jackson County-Reynolds Field Airport | MI | E | y | 42.27 | -84.47 | 998.031 |
| KJAC | Jackson Hole Airport | WY | M | y | 43.61 | -110.73 | 6614.17 |
| KJAN | Jackson International Airport | MS | C | y | 32.33 | -90.08 | 310.039 |
| KMJQ | Jackson Municipal Automatic Weather Observing | MN | C | y | 43.66 | -94.99 | 1446.85 |
| KHKS | Jackson, Hawkins Field Airport | MS | C | y | 32.33 | -90.22 | 341.207 |
| KMKL | Jackson, McKellar-Sipes Regional Airport | TN | C | y | 35.61 | -88.92 | 433.071 |
| KOAJ | Jacksonville Automatic Weather Observing/Reporting | NC | E | y | 34.83 | -77.62 | 95.144 |
| KJAX | Jacksonville International Airport | FL | E | y | 30.43 | -81.7 | 39.042 |
| KIJX | Jacksonville Municipal Airport | IL | C | y | 39.78 | -90.23 | 623.36 |
| KVQQ | Jacksonville, Cecil Field Airport | FL | E | y | 30.217 | -81.876 | 88.911 |
| KCRG | Jacksonville, Craig Municipal Airport | FL | E | y | 30.33 | -81.52 | 39.37 |
| KNIP | Jacksonville, Naval Air Station | FL | E | y | 30.23 | -81.68 | 29.856 |
| KNCA | Jacksonville, New River, Marine Corps Air Station | NC | E | y | 34.71 | -77.43 | 16.076 |
| KAFN | Jaffrey Municipal-Silver Ranch Airport | NH | E | y | 42.8 | -72 | 1040.03 |
| KJHW | Jamestown Automatic Weather Observing / Reporting | NY | E | y | 42.16 | -79.25 | 1722.44 |
| KJMS | Jamestown Municipal Airport | ND | C | y | 46.93 | -98.68 | 1492.13 |
| KJVL | Janesville / Rock County | WI | C | y | 42.62 | -89.03 | 807.087 |
| KJAS | Jasper | TX | C | y | 30.89 | -94.03 | 213.255 |
| KJEF | Jefferson City Memorial Airport | MO | C | y | 38.59 | -92.16 | 547.9 |
| KGEV | Jefferson, Ashe County Airport | NC | E | y | 36.43 | -81.42 | 3179.13 |
| KJER | Jerome County Airport | ID | M | y | 42.728 | -114.453 | 4045.28 |
| KJES | Jesup-Wayne County Airport | GA | E | y | 31.554 | -81.8825 | 107 |
| KCUB | Jim Hamilton-L.B.Owens Airport | SC | E | y | 33.99 | -81 | 211.942 |
| KHBV | Jim Hogg County Airport | TX | C | y | 27.333 | -98.733 | 662.73 |
| K5J0 | John Day State Arpt | OR | P | y | 44.42 | -118.95 | 3697.51 |
| KJST | Johnstown-Cambria County Airport | PA | E | y | 40.33 | -78.83 | 2279.86 |
| KJOT | Joliet Park district | IL | C | y | 41.52 | -88.18 | 594.16 |
| KJBR | Jonesboro Municipal Airport | AR | C | y | 35.83 | -90.65 | 269.029 |
| KJLN | Joplin Regional Airport | MO | C | y | 37.18 | -94.5 | 981.955 |
| KJDN | Jordan (ramos) | MT | M | y | 47.33 | -106.93 | 2660.76 |
| KJKL | Julian Carroll Airport | KY | E | y | 37.6 | -83.32 | 1365.16 |
| KJCT | Junction, Kimble County Airport | TX | C | y | 30.5 | -99.77 | 1709.97 |
| PAJN | Juneau International Airport | AK | K | y | 58.38 | -134.58 | 12.139 |
| KUNU | Juneau, Dodge County Airport | WI | C | y | 43.43 | -88.7 | 935.039 |
| PHOG | Kahului Airport | HI | H | n | 20.9 | -156.43 | 47.9 |
| PHKO | Kailua / Kona, Keahole Airport | HI | H | n | 19.65 | -156 | 49.213 |
| KAIZ | Kaiser Memorial Automatic Weather Observing | MO | C | y | 38.11 | -92.55 | 869.423 |
| PAFE | Kake Airport | AK | K | y | 56.97 | -133.95 | 0 |
| PHJR | Kalaeloa Airport | HI | H | n | 21.32 | -158.07 | 48.885 |
| KAZO | Kalamazoo / Battle Creek International | MI | E | y | 42.24 | -85.55 | 895.669 |
| KFCA | Kalispell/Glacier | MT | M | y | 48.3 | -114.27 | 2971.13 |
| PALG | Kalskag Airport | AK | K | y | 61.5363 | -160.341 | 0 |
| PAKV | Kaltag Airport | AK | K | y | 64.33 | -158.75 | 196.85 |
| PHNG | Kaneohe Bay MCAF | HI | H | n | 21.45 | -157.783 | 9.843 |
| KMCI | Kansas City International Airport | MO | C | y | 39.3 | -94.73 | 979.003 |
| KEAR | Kearney Municipal Automatic Weather Observing | NE | C | y | 40.73 | -99 | 2129.26 |
| KI16 | Kee Field Airport | KY | E | y | 37.6 | -81.559 | 1784.78 |
| KEEN | Keene / Dillant Automatic Weather Observing/Report | NH | E | y | 42.91 | -72.27 | 501.969 |
| KBIX | Keesler Air Force Base / Biloxi | MS | C | y | 30.417 | -88.917 | 25.919 |
| PHBK | Kekaha / Barking Sand | HI | H | n | 22.07 | -159.78 | 13.123 |
| KKLS | Kelso-Longview AWOS | WA | P | y | 46.117 | -122.9 | 16.076 |
| PAEN | Kenai Municipal Airport | AK | K | y | 60.58 | -151.25 | 85.958 |
| KDPL | Kenansville, Duplin County Airport | NC | E | y | 35 | -77.98 | 137.795 |
| KENW | Kenosha Regional Airport | WI | C | y | 42.59 | -87.94 | 761.155 |
| KEOK | Keokuk Municipal | IA | C | y | 40.47 | -91.43 | 672.572 |
| KERV | Kerrville | TX | C | y | 29.98 | -99.08 | 1617.45 |
| PAKT | Ketchikan International Airport | AK | K | y | 55.35 | -131.7 | 76.115 |
| KEYW | Key West Airport | FL | E | y | 24.55 | -81.75 | 3.937 |
| K42J | Keystone Airpark | FL | E | y | 29.8448 | -82.0475 | 196 |
| KT47 | Kickapoo Downtown Airport | TX | C | y | 33.858 | -98.49 | 998 |
| KCWC | Kickapoo Downtown Airport | TX | C | y | 33.858 | -98.49 | 998 |
| KGRK | Killeen - Robert Gray International Airport | TX | C | y | 31.067 | -97.833 | 1023.95 |
| KILE | Killeen - Skylark Field | TX | C | y | 31.09 | -97.69 | 846.457 |
| KIBM | Kimball Municipal Airport | NE | M | y | 41.188 | -103.677 | 4924.54 |
| PAVC | King Cove Airport | AK | K | y | 55.1163 | -162.266 | 0 |
| PAKN | King Salmon Airport | AK | K | y | 58.68 | -156.65 | 48.885 |
| KIGM | Kingman (amos) | AZ | M | n | 35.28 | -113.95 | 3389.11 |
| KLNL | Kings Land O Lakes Airport | WI | C | y | 46.15 | -89.217 | 1706.04 |
| KNQI | Kingsville, Naval Air Station | TX | C | y | 27.5 | -97.817 | 56.102 |
| KISO | Kinston / Stallings | NC | E | y | 35.33 | -77.63 | 95.144 |
| KIRK | Kirksville Regional Airport | MO | C | y | 40.11 | -92.55 | 971.129 |
| PAVL | Kivalina Airport | AK | K | y | 67.73 | -164.55 | 9.843 |
| KLMT | Klamath Falls/Kings | OR | P | y | 42.16 | -121.73 | 4083.99 |
| PAKW | Klawock Airport | AK | K | y | 55.59 | -133.09 | 49.213 |
| KOXV | Knoxville | IA | C | y | 41.3 | -93.12 | 928.478 |
| KTYS | Knoxville, McGhee Tyson Airport | TN | E | y | 35.81 | -83.98 | 961.942 |
| PADQ | Kodiak | AK | K | y | 57.76 | -152.5 | 15.092 |
| KOKK | Kokomo Muni Airport | IN | E | y | 40.53 | -86.06 | 830.052 |
| PTKR | Koror | PW | U | n | 7.27 | 134.45 | 98.425 |
| PTSA | Kosrae Island Airport | FM | F | n | 5.333 | 163.033 | 13.123 |
| PAOT | Kotzebue, Wien Memorial Airport | AK | K | y | 66.87 | -162.64 | 9.843 |
| PAKK | Koyuk Airport | AK | K | y | 64.93 | -165.15 | 124.672 |
| K20V | Kremmling/McElroy Field | CO | M | y | 40.05 | -106.36 | 7411.42 |
| KRYT | Krout Airport | PA | E | y | 0 | 0 | |
| PAKU | Kuparuk Airport | AK | K | y | 70.317 | -149.583 | 65.617 |
| PKWA | Kwajalein Atoll | MH | R | n | 8.733 | 167.733 | 6.89 |
| KLSE | La Crosse Municipal Airport | WI | C | y | 43.88 | -91.25 | 668.963 |
| KLGD | La Grande (awos) | OR | P | y | 45.283 | -118 | 2712.93 |
| K3T5 | La Grange | TX | C | y | 29.91 | -96.95 | 324.803 |
| KLGC | La Grange-Callawy Airport | GA | E | y | 33.009 | -85.073 | 692.257 |
| KLHX | La Junta Municipal | CO | M | y | 38.05 | -103.52 | 4203.08 |
| KPPO | La Porte Municipal Airport | IN | C | y | 41.5725 | -86.7345 | 812 |
| TFFR | La Raizet Guadeloupe | PR | A | n | 16.267 | -61.6 | 26.247 |
| NWWW | La Tontouta Nlle-Caledonia | NL | G | n | -22.017 | 166.217 | 45.932 |
| KPOC | La Verne/Brackett | CA | P | y | 34.11 | -117.78 | 1010.5 |
| KC75 | Lacon | IL | C | y | 41.02 | -89.39 | 567.585 |
| KLCI | Laconia Municipal Automatic Weather Observing | NH | E | y | 43.58 | -71.43 | 544.619 |
| KRCS | Ladysmith | WI | C | y | 0 | 0 | |
| KLFT | Lafayette Regional Airport | LA | C | y | 30.2 | -92 | 38.058 |
| KLAF | Lafayette, Purdue University Airport | IN | E | y | 40.43 | -86.93 | 623.031 |
| PHJH | Lahaina / West Maui | HI | H | n | 21.02 | -156.63 | 262.467 |
| KLCH | Lake Charles Regional Airport | LA | C | y | 30.12 | -93.22 | 15.092 |
| K21D | Lake Elmo Airport - Lake Elmo, MN | MN | C | y | 44.9975 | -92.8557 | 933 |
| PALH | Lake Hood Seaplane | AK | K | y | 61.19 | -149.97 | 72.178 |
| KP60 | Lake Yellowstone | WY | M | y | 44.55 | -110.42 | 7770.01 |
| KNEL | Lakehurst Naval Air Station | NJ | E | y | 40.04 | -74.32 | 111.877 |
| KLAL | Lakeland Regional | FL | E | y | 28.04 | -81.95 | 144.357 |
| KLKV | Lakeview (awos) | OR | P | y | 42.19 | -120.35 | 4727.69 |
| KLAA | Lamar | CO | M | y | 38.07 | -102.68 | 3704.07 |
| KSTL | Lambert-St. Louis International Airport | MO | C | y | 38.76 | -90.37 | 567.913 |
| KLWD | Lamoni Municipal Airport | IA | C | y | 40.631 | -93.901 | 1122.05 |
| KLZZ | Lampasas Airport | TX | C | y | 31.1062 | -98.1959 | 1215 |
| PHNY | Lanai City Airport | HI | H | n | 20.78 | -156.95 | 1341.86 |
| KLNC | Lancaster Airport | TX | C | y | 32.579 | -96.719 | 501.969 |
| KLNS | Lancaster Airport | PA | E | y | 40.12 | -76.3 | 413.386 |
| KLHQ | Lancaster, Fairfield County Airport | OH | E | y | 39.75 | -82.67 | 866.142 |
| KWJF | Lancaster/Fox F | CA | P | y | 34.73 | -118.22 | 2338.91 |
| KLND | Lander/Hunt Field | WY | M | y | 42.83 | -108.73 | 5557.09 |
| KLFI | Langley Air Force Base | VA | E | y | 37.09 | -76.35 | 9.843 |
| KIGQ | Lansing Municipal Airport | IL | C | y | 41.53 | -87.53 | 616.798 |
| KLAN | Lansing, Capital City Airport | MI | E | y | 42.78 | -84.6 | 840.879 |
| KLAR | Laramie/Gen. Brees | WY | M | y | 41.33 | -105.68 | 7266.08 |
| KLRD | Laredo International Airport | TX | C | y | 27.54 | -99.47 | 508.53 |
| KLRU | Las Cruces Intl Airport | NM | M | y | 32.3 | -106.77 | 4570.21 |
| KLVS | Las Vegas Municipal | NM | M | y | 35.66 | -105.15 | 6866.14 |
| KHND | Las Vegas-Henderson Airport | NV | P | y | 35.976 | -115.133 | 2457.35 |
| KLAS | Las Vegas/Mccarran | NV | P | y | 36.0789 | -115.155 | 2162.07 |
| KLBE | Latrobe/Westmoreland | PA | E | y | 40.29 | -79.4 | 1213.91 |
| KDLF | Laughlin Air Force Base Auxiliary Airfield | TX | C | y | 29.367 | -100.783 | 1073.16 |
| KMEB | Laurinburg-Maxton Airport | NC | E | y | 34.79 | -79.37 | 219.816 |
| KLWC | Lawrence Municipal Airport | KS | C | y | 39.02 | -95.22 | 833.333 |
| KLWM | Lawrence Municipal Airport | MA | E | y | 42.73 | -71.12 | 150.919 |
| KLZU | Lawrenceville, Gwinnett Co-Briscoe Field Airport | GA | E | y | 33.978 | -83.962 | 1059.71 |
| KLWV | Lawrenceville-Vincennes Intl Airport | IL | C | y | 38.76 | -87.6 | 429.79 |
| KLAW | Lawton-Fort Sill Regional Airport | OK | C | y | 34.57 | -98.42 | 1108.92 |
| TFFF | Le Lamentin | MQ | A | n | 14.6 | -61 | 22.966 |
| KLRJ | Le Mars Municipal Airport | IA | C | y | 42.78 | -96.2 | 1197.51 |
| KLXV | Leadville/Lake Co. | CO | M | y | 39.22 | -106.32 | 9927.82 |
| KLEB | Lebanon Municipal Airport | NH | E | y | 43.63 | -72.3 | 597 |
| KLXT | Lees Summit | MO | C | y | 38.964 | -94.374 | 1003.94 |
| KJYO | Leesburg / Godfrey | VA | E | y | 39.08 | -77.57 | 390.42 |
| KLEE | Leesburg International Airport | FL | E | y | 28.82 | -81.81 | 76 |
| KNLC | Lemoore Nas/Reeves | CA | P | y | 36.3 | -119.9 | 240.157 |
| KLWB | Lewisburg / Greenbrier | WV | E | y | 37.88 | -80.4 | 2303.15 |
| KLWS | Lewiston (amos) | ID | P | y | 46.39 | -117.02 | 1420.93 |
| KLWT | Lewistown Municipal | MT | M | y | 47.05 | -109.45 | 4124.02 |
| KLEX | Lexington, Blue Grass Airport | KY | E | y | 38.05 | -84.6 | 980.971 |
| KEXX | Lexington, Davidson County Airport | NC | E | y | 35.783 | -80.3 | 731.627 |
| KLXN | Lexington, Jim Kelly Field Airport | NE | C | y | 40.78 | -99.77 | 2414.7 |
| KLBL | Liberal Municipal Automatic Weather Observing | KS | C | y | 37.05 | -100.97 | 2956.04 |
| K6R3 | Liberty County | TX | C | Y | 30.214 | -95.005 | 150 |
| PHLI | Lihue Airport | HI | H | n | 21.98 | -159.35 | 103.018 |
| KAOH | Lima Allen County Airport | OH | E | y | 40.71 | -84.03 | 971.129 |
| KLIC | Limon Municipal | CO | M | y | 39.26 | -103.66 | 5562.01 |
| KLNK | Lincoln Municipal Airport | NE | C | y | 40.86 | -96.75 | 1184.06 |
| KIPJ | Lincolnton-Lincoln County Regional Airport | NC | E | y | 35.483 | -81.167 | 875.984 |
| K3LF | Litchfield Municipal Airport | IL | C | Y | 39.163 | -89.675 | 688.976 |
| KLJF | Litchfield Municipal Airport | MN | C | y | 45.14 | -94.52 | 1138.45 |
| KLXL | Little Falls Automatic Weather Observing/Reporting | MN | C | y | 45.96 | -94.35 | 1122.05 |
| KLRF | Little Rock Air Force Base | AR | C | y | 34.917 | -92.15 | 337.927 |
| KLIT | Little Rock, Adams Field | AR | C | y | 34.73 | -92.23 | 275.919 |
| KLVK | Livermore Municipal | CA | P | y | 37.7 | -121.82 | 396.982 |
| KLVM | Livingston/Mission | MT | M | y | 45.71 | -110.43 | 4652.89 |
| KAQO | Llano Municipal Airport | TX | C | y | 30.7837 | -98.662 | 1102 |
| KAAA | Logan County Airport | IL | C | y | 40.16 | -89.33 | 583.99 |
| KLGU | Logan-Cache Airport | UT | M | y | 41.79 | -111.85 | 4455.38 |
| KGGP | Logansport/Cass County Airport | IN | E | y | 40.7113 | -86.3727 | 738 |
| KLPC | Lompoc (awos) | CA | P | y | 34.67 | -120.47 | 88.583 |
| KLOZ | London-Corbin Airport-Magee Field | KY | E | y | 37.09 | -84.04 | 1206.04 |
| KLNR | Lone Rock, Tri-County Regional Airport | WI | C | y | 43.21 | -90.18 | 719.16 |
| KLGB | Long Beach Airport | CA | P | y | 33.83 | -118.15 | 24.934 |
| KXVG | Longville Municipal Airport | MN | C | y | 46.992 | -94.2 | 1335.3 |
| KLPR | Lorain County Regional Airport | OH | E | y | 41.346 | -82.179 | 793.963 |
| KSLI | Los Alamitos Aaf | CA | P | y | 33.79 | -118.05 | 36.089 |
| KLAM | Los Alamos Airport | NM | M | y | 35.883 | -106.283 | 7171.92 |
| KCQT | Los Angeles Downtown/Usc | CA | P | y | 34.02 | -118.28 | 270.013 |
| KLAX | Los Angeles Intl Airport | CA | P | y | 33.94 | -118.4 | 125 |
| KWHP | Los Angeles-Whiteman Airport | CA | P | y | 34.26 | -118.41 | 1003.94 |
| KLKU | Louisa County / Freeman Field Airport | VA | E | y | 38.011 | -77.978 | 492.126 |
| KLHZ | Louisburg | NC | E | y | 36.023 | -78.33 | 370.735 |
| KLOU | Louisville, Bowman Field Airport | KY | E | y | 38.23 | -85.67 | 540.026 |
| KSDF | Louisville, Standiford Field | KY | E | y | 38.19 | -85.73 | 480.971 |
| KLOL | Lovelock/Derby Fld | NV | P | y | 40.0664 | -118.565 | 3899.93 |
| KP69 | Lowell | ID | P | y | 46.15 | -115.6 | 4097.77 |
| KLBB | Lubbock International Airport | TX | C | y | 33.66 | -101.82 | 3214.9 |
| KLDM | Ludington, Mason County Airport | MI | E | y | 43.96 | -86.41 | 646.325 |
| KLFK | Lufkin, Angelina County Airport | TX | C | y | 31.23 | -94.75 | 280.84 |
| TJSJ | Luis Muñoz MarÃn International Airport | PR | A | n | 18.43 | -66 | 8.858 |
| KLUF | Luke AFB/Phoenix | AZ | M | n | 33.59 | -112.37 | 1085.96 |
| KLBT | Lumberton Municipal Airport | NC | E | y | 34.61 | -79.06 | 125.984 |
| KLYV | Luverne-Quentin Aanenson Field | MN | C | y | 43.621 | -96.216 | 1430.45 |
| KLYH | Lynchburg Regional Airport | VA | E | y | 37.34 | -79.2 | 939.961 |
| KPRN | Mac Crenshaw Memorial Airport | AL | C | y | 31.8457 | -86.6107 | 451 |
| KMCF | Macdill Air Force Base, Fl. | FL | E | y | 27.86 | -82.52 | 13.123 |
| KHFF | Mackall U. S. Army Airfield | NC | E | y | 35.033 | -79.5 | 377.297 |
| KMCD | Mackinac Island Airport | MI | E | y | 45.86 | -84.64 | 984.252 |
| KMQB | Macomb Muni Airport | IL | C | y | 40.52 | -90.65 | 708.661 |
| KMCN | Macon, Middle Georgia Regional Airport | GA | E | y | 32.71 | -83.65 | 354.003 |
| KMAE | Madera Municipal Airport | CA | P | y | 36.99 | -120.11 | 252.625 |
| KI39 | Madison Airport | KY | E | y | 37.6308 | -84.3323 | 1002 |
| KMDS | Madison Municipal Airport | SD | C | y | 44.0164 | -97.0856 | 1718 |
| KMSN | Madison, Dane County Regional-Truax Field | WI | C | y | 43.14 | -89.33 | 873.031 |
| KDXX | Madison-Lac Qui Parle County Airport | MN | C | y | 44.99 | -96.18 | 1082.68 |
| PKMR | Majuro Atoll | MH | R | n | 7.06 | 171.27 | 13.123 |
| KMLD | Malad City | ID | M | y | 42.18 | -112.32 | 4481.96 |
| KGFA | Malmstrom Air Morce Base | MT | M | y | 47.517 | -111.183 | 3464.9 |
| K77M | Malta | ID | M | y | 42.3 | -113.37 | 4540.03 |
| KMMH | Mammoth/June Lakes | CA | P | y | 37.64 | -118.92 | 7129.27 |
| KHEF | Manassas Municipal Automatic Weather Observing | VA | E | y | 38.72 | -77.52 | 193.57 |
| KMHT | Manchester Airport | NH | E | y | 42.94 | -71.43 | 225.066 |
| KMHK | Manhattan Regional Airport | KS | C | y | 39.16 | -96.67 | 1082.68 |
| KMBL | Manistee County-Blacker Airport | MI | E | y | 44.28 | -86.25 | 620.079 |
| KISQ | Manistique, Schoolcraft County Airport | MI | E | y | 45.97 | -86.17 | 685.696 |
| KMTW | Manitowoc Municipal Automatic Weather Observing | WI | C | y | 44.14 | -87.67 | 649.606 |
| KMKT | Mankato Automatic Weather Observing / Reporting | MN | C | y | 44.23 | -93.92 | 1020.34 |
| PAML | Manley Hot Springs | AK | K | y | 65 | -150.65 | 269.029 |
| PAMB | Manokotak Airport | AK | K | y | 58.9902 | -159.05 | 0 |
| KMFD | Mansfield Lahm Municipal Airport | OH | E | y | 40.83 | -82.52 | 1301.84 |
| KMQI | Manteo / Dare County Regional | NC | E | y | 35.92 | -75.7 | 13.123 |
| KMGG | Maple Lake Municipal Airport | MN | C | y | 45.236 | -93.986 | 1026.9 |
| KMTH | Marathon Airport | FL | E | y | 24.74 | -81.05 | 6.562 |
| KRIV | March AFB/Riverside | CA | P | y | 33.89 | -117.27 | 1516.08 |
| KMRF | Marfa | TX | C | y | 30.38 | -104.02 | 4833 |
| KMAI | Marianna Municipal Airport | FL | C | y | 30.8 | -85.21 | 112.861 |
| KMGE | Marietta / Dobbins Air Force Base | GA | E | y | 33.93 | -84.52 | 1009.84 |
| KRYY | Marietta, Cobb County-McCollum Field Airport | GA | E | y | 34.013 | -84.599 | 1040.03 |
| KMKJ | Marion / Wytheville | VA | E | y | 36.9 | -81.35 | 2559.05 |
| KMAO | Marion County Airport | SC | E | y | 34.1812 | -79.3347 | 92 |
| KMNN | Marion Municipal Airport | OH | E | y | 40.62 | -83.06 | 994.094 |
| KMZZ | Marion Municipal Airport | IN | E | y | 40.4899 | -85.6798 | 859 |
| KMWA | Marion Regional | IL | C | y | 37.76 | -89 | 472.441 |
| PKMJ | Marjuro WSO AP | MH | R | n | 7.083 | 171.383 | 9.843 |
| KBBP | Marlboro County Jetport - H.E. Avent Field | NC | E | Y | 34.6217 | -79.7344 | 147 |
| KMQT | Marquette | MI | E | y | 46.533 | -87.55 | 1415.03 |
| KP75 | Marquette | MI | E | y | 45.93 | -85.92 | 583.99 |
| KMML | Marshall / Ryan Automatic Weather Observing | MN | C | y | 44.46 | -95.82 | 1177.82 |
| PADM | Marshall Don Hunter Sr Airport | AK | K | y | 61.8643 | -162.026 | 0 |
| KRMY | Marshall, Brooks Field Airport | MI | E | y | 42.24 | -84.96 | 941.601 |
| KASL | Marshall, TX | TX | C | y | 32.52 | -94.31 | 357 |
| KMIW | Marshalltown Municipal Airport | IA | C | y | 42.11 | -92.91 | 971.129 |
| KMFI | Marshfield Municipal Airport | WI | C | y | 44.63 | -90.18 | 1276.25 |
| KMVY | Marthas Vineyard Airport | MA | E | y | 41.41 | -70.62 | 68.898 |
| KMRB | Martinsburg, Eastern W. Virginia Reg/Shepherdstown | WV | E | y | 39.41 | -77.98 | 530.84 |
| KMTV | Martinsville | VA | E | y | 36.63 | -80.02 | 941.601 |
| KMYV | Marysville/Yuba Co. | CA | P | y | 39.11 | -121.57 | 62.336 |
| KMCW | Mason City Municipal Airport | IA | C | y | 43.16 | -93.33 | 1193.9 |
| KTEW | Mason Jewett Field Airport | MI | E | y | 42.57 | -84.42 | 918.635 |
| KMSS | Massena International-Richards Field | NY | E | y | 44.94 | -74.85 | 213.911 |
| KMHR | Mather Field | CA | P | y | 38.58 | -121.3 | 95.144 |
| KMTO | Mattoon/Charleston, Coles County Memorial Airport | IL | C | y | 39.48 | -88.28 | 721.785 |
| KMXF | Maxwell Air Force Base / Montgomery | AL | C | y | 32.383 | -86.367 | 173.885 |
| TJMZ | Mayaguez | PR | A | n | 18.27 | -67.15 | 29.528 |
| KNRB | Mayport Naval Station | FL | E | y | 30.4 | -81.42 | 16.076 |
| KMYL | Mc Call | ID | M | y | 44.89 | -116.1 | 5019.69 |
| KTCM | Mc Chord AFB/Tacoma | WA | P | y | 47.16 | -122.48 | 285.105 |
| K4O4 | Mc Curtain County Regional Airport | OK | C | y | 33.9 | -94.867 | 472.441 |
| KPWG | Mc Gregor Automatic Weather Observing / Reporting | TX | C | y | 31.49 | -97.32 | 590.551 |
| KMLC | McAlester Regional Airport | OK | C | y | 34.89 | -95.78 | 759.843 |
| KMFE | McAllen, Miller International Airport | TX | C | y | 26.18 | -98.24 | 100.066 |
| PAMX | McCarthy | AK | K | y | 61.44 | -142.94 | 1492.78 |
| KMCC | McClellan Airfield | CA | P | y | 38.667 | -121.4 | 82.021 |
| KMCB | McComb / Pike County / John E Lewis Field | MS | C | y | 31.18 | -90.47 | 413.058 |
| KIAB | McConnell Air Force Base | KS | C | y | 37.617 | -97.267 | 1388.12 |
| KMCK | McCook Municipal Airport | NE | C | y | 40.23 | -100.58 | 2578.74 |
| KMMT | McEntire Air National Guard Weather Facility Base | SC | E | y | 33.93 | -80.8 | 243.11 |
| PAMC | McGrath Airport | AK | K | y | 62.95 | -155.61 | 344.16 |
| KWRI | Mcguire Air Force Base | NJ | E | y | 40.02 | -74.6 | 147.966 |
| PAIN | McKinley National Park Airport | AK | K | y | 63.73 | -148.92 | 1719.16 |
| KMMV | Mcminnville Municipal Airport | OR | P | y | 45.19 | -123.14 | 167.323 |
| KMEH | Meacham (amos) | OR | P | y | 45.51 | -118.4 | 3723.1 |
| KMDZ | Medford, Taylor County Airport | WI | C | y | 45.1 | -90.3 | 1469.82 |
| KMFR | Medford/Jackson Co. | OR | P | y | 42.38 | -122.87 | 1299.87 |
| KP28 | Medicine Lodge | KS | C | y | 37.3 | -98.58 | 1535.1 |
| KEEO | Meeker | CO | M | y | 40.04 | -107.89 | 6391.08 |
| KMTR | Meeteetse Rim | WY | M | y | 44.27 | -108.87 | |
| PAMY | Mekoryuk | AK | K | y | 60.37 | -166.27 | 49.213 |
| KMLB | Melbourne International Airport | FL | E | y | 28.11 | -80.63 | 35.105 |
| KMFV | Melfa / Accomack Airport | VA | E | y | 37.65 | -75.77 | 49.213 |
| TDPD | Melville Hall Airport | PR | A | n | 15.533 | -61.3 | 45.932 |
| KMEM | Memphis International Airport | TN | C | y | 35.04 | -89.98 | 282.152 |
| KMEZ | Mena Intermountain Municipal Airport | AR | C | y | 34.55 | -93.583 | 702.1 |
| KMNM | Menominee Automatic Weather Observing / Reporting | MI | C | y | 45.12 | -87.63 | 626.64 |
| KLUM | Menomonie Municipal Airport-Score Field | WI | C | y | 44.883 | -91.867 | 895.669 |
| KMCE | Merced/Macready Fld | CA | P | y | 37.29 | -120.52 | 154.199 |
| KDRA | Mercury/Desert Rock | NV | P | y | 36.62 | -116.02 | 3300.85 |
| KMMK | Meriden Markham Municipal Airport | CT | E | y | 41.51 | -72.83 | 101.706 |
| KMEI | Meridian, Key Field | MS | C | y | 32.34 | -88.75 | 312.008 |
| KNMM | Meridian, Naval Air Station | MS | C | y | 32.55 | -88.567 | 270.997 |
| PAMR | Merrill Field | AK | K | y | 61.214 | -149.846 | 138.123 |
| KRRL | Merrill Municipal Airport | WI | C | y | 45.2 | -89.71 | 1315.62 |
| PAER | Merrill Pass West | AK | K | y | 61.25 | -153.817 | 1174.54 |
| KBPC | Mesa Vista Ranch Airport | TX | C | Y | 35.8893 | -101.03 | 2772 |
| KFFZ | Mesa/Falcon Field | AZ | M | n | 33.46 | -111.73 | 1391.08 |
| KHQZ | Mesquite Metro Airport | TX | C | y | 32.747 | -96.53 | 446.194 |
| PAMM | Metlakatla Seaplane Base | AK | K | y | 55.08 | -131.35 | 0 |
| KM30 | Metropolis Municipal Airport | IL | C | y | 37.183 | -88.75 | 383.858 |
| KMIA | Miami International Airport | FL | E | y | 25.78 | -80.32 | 35.105 |
| KAMX | Miami Nexrad | FL | E | y | 25.617 | -80.417 | 111.549 |
| KTMB | Miami, Kendall-Tamiami Executive Airport | FL | E | y | 25.65 | -80.43 | 9.843 |
| KOPF | Miami, Opa Locka Airport | FL | E | y | 25.91 | -80.28 | 9.843 |
| KMGC | Michigan City Municipal Airport-Phillips Field | IN | C | y | 41.7033 | -86.8212 | 655 |
| KFYJ | Middle Peninsula Regional Airport | VA | E | y | 37.517 | -76.767 | 22.966 |
| K1A6 | Middlesboro-Bell County Airport | KY | E | y | 36.611 | -83.737 | 1154.86 |
| PAMD | Middleton Island, Ak | AK | K | y | 59.44 | -146.33 | 121.063 |
| KC29 | Middleton Municipal - Morey Field Airport | WI | E | Y | 43.1143 | -89.5315 | 928 |
| KMDD | Midland Airpark | TX | C | y | 32.033 | -102.1 | 2801.84 |
| KMAF | Midland International Airport | TX | C | y | 31.95 | -102.18 | 2861.88 |
| KJWY | Midlothian-Waxahachie Midway Airport | TX | C | y | 32.456 | -96.912 | 711.942 |
| PMDY | Midway NAF | HI | S | n | 28.22 | -177.37 | 22.966 |
| KMLS | Miles City | MT | M | y | 46.44 | -105.87 | 2627.95 |
| KMLF | Milford Municipal | UT | M | y | 38.43 | -113.02 | 5039.04 |
| KQAO | Military Site | | U | n | 0 | 0 | |
| KZKK | Military Site | | U | n | 0 | 0 | |
| KZKI | Military Site | | U | n | 0 | 0 | |
| KQUK | Military Site-Camp Bondsteel | | U | n | 0 | 0 | |
| KMLE | Millard Airport | NE | C | y | 41.196 | -96.112 | 1049.87 |
| KNQA | Millington Municipal Airport | TN | C | y | 35.36 | -89.87 | 294.948 |
| KMLT | Millinocket Municipal Airport | ME | E | y | 45.65 | -68.7 | 408.136 |
| KMIV | Millville Municipal Airport | NJ | E | y | 39.38 | -75.07 | 69.882 |
| KNSE | Milton, Whiting Field North | FL | C | y | 30.72 | -87.02 | 176.837 |
| KMWC | Milwaukee / Timmerman | WI | C | y | 43.12 | -88.05 | 734.908 |
| KMKE | Milwaukee, General Mitchell International Airport | WI | C | y | 42.96 | -87.9 | 629.921 |
| PAMH | Minchumina | AK | K | y | 63.91 | -152.16 | 700.131 |
| KF24 | Minden Airport | LA | C | y | 32.646 | -93.2981 | 278 |
| KMNE | Minden, LA | LA | C | y | 32.646 | -93.298 | 278 |
| KMRJ | Mineral Point, Iowa County Airport | WI | C | y | 42.89 | -90.23 | 1177.82 |
| KMWL | Mineral Wells Airport | TX | C | y | 32.79 | -98.07 | 930.118 |
| KANE | Minneapolis / Blaine | MN | C | y | 45.16 | -93.22 | 912.073 |
| KLVN | Minneapolis, Airlake Airport | MN | C | y | 44.64 | -93.24 | 961.286 |
| KMIC | Minneapolis, Crystal Airport | MN | C | y | 45.08 | -93.38 | 869.423 |
| KFCM | Minneapolis, Flying Cloud Airport | MN | C | y | 44.84 | -93.47 | 928.478 |
| KMSP | Minneapolis-St. Paul International Airport | MN | C | y | 44.89 | -93.22 | 833.99 |
| KARV | Minocqua / Woodruff | WI | C | y | 45.93 | -89.73 | 1627.3 |
| KMIB | Minot Air Force Base | ND | C | y | 48.417 | -101.35 | 1630.91 |
| KMOT | Minot International Airport | ND | C | y | 48.28 | -101.28 | 1714.9 |
| KNKX | Miramar MCAS | CA | P | y | 32.88 | -117.15 | 458.99 |
| KMDJ | MISSISSIPPI CANYON | | C | Y | 29.478 | 93.638 | 0 |
| KMSO | Missoula/Bell Field | MT | M | y | 46.92 | -114.1 | 3191.93 |
| KMHE | Mitchell Municipal Airport | SD | C | y | 43.77 | -98.04 | 1302.49 |
| MMCS | MMCS Ob Site | MX | M | y | 31.633 | -106.417 | 3940.29 |
| KCNY | Moab/Canyonlands | UT | M | y | 38.75 | -109.75 | 4553.81 |
| KBFM | Mobile Downtown Airport | AL | C | y | 30.64 | -88.07 | 25.919 |
| KMOB | Mobile Regional Airport | AL | C | y | 30.68 | -88.25 | 214.895 |
| KMBG | Mobridge Municipal Airport | SD | C | y | 45.55 | -100.41 | 1666.67 |
| KMOD | Modesto City/Sham | CA | P | y | 37.63 | -120.95 | 97.113 |
| KNUQ | Moffett Nas/Mtn Vie | CA | P | y | 37.43 | -122.05 | 39.042 |
| KMHV | Mojave | CA | P | y | 35.07 | -118.16 | 2785.43 |
| KMLI | Moline, Quad-City Airport | IL | C | y | 41.46 | -90.52 | 591.864 |
| PHMK | Molokai Airport | HI | H | n | 21.15 | -157.1 | 449.475 |
| KMYP | Monarch Pass (12,030 feet) | CO | M | y | 38.497 | -106.32 | 12030.8 |
| KHFJ | Monett Municipal Airport | MO | C | Y | 36.9062 | -94.0128 | 1314 |
| KEQY | Monroe Airport | NC | E | y | 35.017 | -80.617 | 679.134 |
| KEFT | Monroe Municipal Airport | WI | C | y | 42.61 | -89.59 | 1085.96 |
| KMLU | Monroe Regional Airport | LA | C | y | 32.51 | -92.04 | 132.874 |
| KTTF | Monroe, Custer Airport | MI | E | y | 41.94 | -83.43 | 616.798 |
| KSIY | Montague/Siskiyou | CA | P | y | 41.79 | -122.47 | 2634.84 |
| KMTP | Montauk Airport | NY | E | y | 41.08 | -71.92 | 6.562 |
| KMRY | Monterey Peninsula | CA | P | y | 36.59 | -121.84 | 164.042 |
| KMVE | Montevideo Automatic Weather Observing / Reporting | MN | C | y | 44.97 | -95.72 | 1033.46 |
| KGAI | Montgomery County Airpark | MD | E | Y | 39.1683 | -77.166 | 538 |
| KMGM | Montgomery, Dannelly Field | AL | C | y | 32.3 | -86.4 | 202.1 |
| KMGJ | Montgomery, Orange County Airport | NY | E | y | 41.51 | -74.26 | 364.173 |
| KMSV | Monticello Automatic Weather Observing / Reporting | NY | E | y | 41.71 | -74.8 | 1404.2 |
| KMXO | Monticello Municipal | IA | C | y | 42.23 | -91.17 | 849.738 |
| KLLQ | Monticello Municipal Airport | AR | C | y | 33.64 | -91.75 | 118.11 |
| KMTJ | Montrose Co. Arpt | CO | M | y | 38.51 | -107.88 | 5757.87 |
| KVAD | Moody Air Force Base | GA | E | y | 30.97 | -83.2 | 232.94 |
| KDUX | Moore County Airport | TX | C | y | 35.85 | -102.017 | 3704.07 |
| KJKJ | Moorhead Municipal Airport | MN | C | y | 46.84 | -96.66 | 918.635 |
| KMZH | Moose Lake Carlton County Airport | MN | C | y | 46.417 | -92.8 | 1076.11 |
| KJMR | Mora Municipal Airport | MN | C | y | 45.89 | -93.27 | 1013.78 |
| K2F8 | Morehouse Memorial Airport | LA | C | y | 32.7558 | -91.8806 | |
| KBQP | Morehouse Memorial Airport | LA | C | y | 32.7561 | -91.8806 | 168 |
| KMGW | Morgantown Municipal-Hart Field | WV | E | y | 39.64 | -79.92 | 1240.16 |
| K4MY | Moriarty | NM | M | y | 34.98 | -106.05 | 6200.79 |
| K0E0 | Moriarty Airport | NM | M | y | 34.9823 | -106.005 | 6199 |
| KC09 | Morris Muni-James R Washburn Field Airport | IL | C | y | 41.43 | -88.42 | 583.99 |
| KMOX | Morris Municipal Automatic Weather Observing | MN | C | y | 45.57 | -95.97 | 1138.45 |
| KMMU | Morristown Municipal | NJ | E | y | 40.8 | -74.42 | 190.289 |
| KMRX | Morristown Nexrad | TN | E | y | 36.167 | -83.4 | 1433.73 |
| KMVL | Morrisville-Stowe State Airport | VT | E | y | 44.53 | -72.61 | 731.627 |
| KMWH | Moses Lake/Grant Co | WA | P | y | 47.21 | -119.32 | 1195.87 |
| KCWA | Mosinee / Central Wisconsin | WI | C | y | 44.79 | -89.67 | 1276.25 |
| KMGR | Moultrie Municipal Airport | GA | E | y | 31.085 | -83.803 | 295.276 |
| KMWK | Mount Airy / Surry County Airport | NC | E | y | 36.46 | -80.55 | 1246.72 |
| KAJG | Mount Carmel Municipal Airport | IL | C | Y | 38.607 | -87.727 | 429.79 |
| KVAY | Mount Holly, South Jersey Regional Airport | NJ | E | y | 39.95 | -74.84 | 52.493 |
| KMWT | Mount Ida | AR | C | y | 34.547 | -93.578 | 1066.27 |
| KOSA | Mount Pleasant | TX | C | y | 33.096 | -94.962 | 364.173 |
| KMPZ | Mount Pleasant Muni Airport | IA | C | y | 40.95 | -91.51 | 734.908 |
| KMOP | Mount Pleasant Municipal Airport | MI | E | y | 43.62 | -84.74 | 754.593 |
| KMHS | Mount Shasta (amos) | CA | P | y | 41.33 | -122.32 | 3535.1 |
| KMVN | Mount Vernon Automatic Weather Observing/Reporting | IL | C | y | 38.33 | -88.87 | 479.003 |
| KMWN | Mount Washington | NH | E | y | 44.28 | -71.3 | 6266.4 |
| K3MW | Mount Werner | CO | M | y | 40.267 | -106.45 | 10633.2 |
| KMWS | Mount Wilson | CA | P | y | 34.233 | -118.067 | 5711.94 |
| KMUO | Mountain Home AFB | ID | M | y | 43.05 | -115.87 | 2992.13 |
| KBPK | Mountain Home, Ozark Regional Airport | AR | C | y | 36.37 | -92.47 | 928.478 |
| PAMO | Mountain Village Airport | AK | K | y | 62.0954 | -163.682 | 0 |
| KMUI | Muir Army Air Field / Indiantown | PA | E | y | 40.44 | -76.57 | 501.969 |
| KMLP | Mullan Pass Vor | ID | M | y | 47.45 | -115.67 | 6027.89 |
| KMHN | Mullen / Hooker County | NE | C | y | 42.05 | -101.067 | 3261.16 |
| KMIE | Muncie, Delaware County-Johnson Field | IN | E | y | 40.242 | -85.396 | 961.286 |
| KP53 | Munising | MI | E | y | 46.4 | -86.65 | 613.517 |
| KMUT | Muscatine | IA | C | y | 41.37 | -91.15 | 547.9 |
| KMSL | Muscle Shoals, North West Alabama Regional Airport | AL | C | y | 34.75 | -87.61 | 540.026 |
| KMKG | Muskegon County Airport | MI | E | y | 43.18 | -86.27 | 625 |
| KMKO | Muskogee, Davis Field | OK | C | y | 35.66 | -95.36 | 610.236 |
| KRAS | Mustang Beach Airport | TX | C | y | 27.817 | -97.083 | 6.562 |
| K2R8 | Mustang Beach Airport | TX | C | y | 27.817 | -97.083 | 6.562 |
| KMYR | Myrtle Beach International Airport | SC | E | y | 33.69 | -78.93 | 25.919 |
| PABN | Nabesna / Devil Mountain | AK | K | y | 62.41 | -143 | 2893.7 |
| KOCH | Nacogdoches Automatic Weather Observing/Reporting | TX | C | y | 31.57 | -94.7 | 354.331 |
| NFFN | Nandi | FJ | R | n | -17.75 | 177.45 | 59.055 |
| KACK | Nantucket Memorial Airport | MA | E | y | 41.26 | -70.07 | 44.948 |
| KAPC | Napa Co. Airport | CA | P | y | 38.21 | -122.28 | 32.808 |
| KAPF | Naples Municipal | FL | E | y | 26.15 | -81.77 | 9.843 |
| KTTS | NASA Shuttle Landing Facility | FL | E | y | 28.62 | -80.72 | 9.843 |
| KASH | Nashua / Boire Field | NH | E | y | 42.79 | -71.52 | 200.131 |
| KBNA | Nashville International Airport | TN | C | y | 36.12 | -86.68 | 581.037 |
| MYNN | Nassau Bahamas | BH | A | y | 25.05 | -77.467 | 22.966 |
| KHEZ | Natchez / Hardy Automatic Weather Observing/Report | MS | C | y | 31.62 | -91.25 | 272.31 |
| KIER | Natchitoches Regional Airport | LA | C | y | 31.733 | -93.1 | 121.391 |
| NFNA | Nausori | FJ | R | n | -18.05 | 178.567 | 22.966 |
| KNUC | Naval Auxiliary Landing Field | CA | P | y | 33.03 | -118.58 | 170.932 |
| KFAK | Nebraska City | NE | C | y | 40.6069 | -95.8644 | 1162 |
| KAFK | Nebraska City Municipal Airport | NE | C | y | 40.6 | -95.87 | 1161.42 |
| KEED | Needles Airport | CA | P | y | 34.78 | -114.62 | 914.042 |
| KLSV | Nellis AFB | NV | P | y | 36.23 | -115.03 | 1879.92 |
| PAOU | Nelson Lagoon Airport | AK | K | y | 56.0075 | -161.16 | 0 |
| PANN | Nenana Municipal Airport | AK | K | y | 64.5473 | -149.074 | 357.94 |
| KEWB | New Bedford Regional Airport | MA | E | y | 41.69 | -70.97 | 82.021 |
| KEWN | New Bern, Craven County Regional Airport | NC | E | y | 35.09 | -77.05 | 16.076 |
| KBAZ | New Braunfels Municipal Airport | TX | C | y | 29.709 | -98.045 | 646.325 |
| KUCP | New Castle Municipal Airport | PA | E | Y | 41.0254 | -80.4134 | 1070 |
| KHVN | New Haven/Tweed | CT | E | y | 41.28 | -72.88 | 5.906 |
| KARA | New Iberia, Acadiana Regional Airport | LA | C | y | 30.03 | -91.88 | 25.919 |
| KMSY | New Orleans International Airport | LA | C | y | 29.98 | -90.25 | 3.937 |
| KNEW | New Orleans Lakefront Airport | LA | C | y | 30.04 | -90.03 | 8.858 |
| KNBG | New Orleans, Naval Air Station | LA | C | y | 29.833 | -90.017 | -0.984 |
| KPHD | New Philadelphia, Harry Clever Field | OH | E | y | 40.47 | -81.42 | 892.388 |
| KRNH | New Richmond Municipal Airport | WI | C | y | 45.148 | -92.538 | 997.375 |
| KEVB | New Smyrna Beach Municipal Airport | FL | E | y | 29.05 | -80.95 | 9.843 |
| KULM | New Ulm Municipal Automatic Weather Observing | MN | C | y | 44.32 | -94.5 | 1010.5 |
| KNYC | New York City, Central Park | NY | E | y | 40.783 | -73.967 | 144.029 |
| KLGA | New York, La Guardia Airport | NY | E | y | 40.78 | -73.88 | 11.155 |
| KJFK | New York/John F. Kennedy Intl Airport | NY | E | y | 40.66 | -73.78 | 25.919 |
| KVTA | Newark Heath Airport | OH | E | y | 40.023 | -82.462 | 882.546 |
| KEWR | Newark International Airport | NJ | E | y | 40.71 | -74.17 | 9.843 |
| KERY | Newberry, Luce County Airport | MI | E | y | 46.31 | -85.46 | 869.423 |
| KSWF | Newburgh / Stewart | NY | E | y | 41.51 | -74.1 | 581.037 |
| K3A6 | Newhall | CA | P | y | 34.4 | -118.6 | 1400.92 |
| KCCO | Newnan Coweta County Airport | GA | E | y | 33.31 | -84.77 | 971.129 |
| KJNW | Newport | OR | P | y | 44.583 | -124.067 | 157.48 |
| KONP | Newport Municip | OR | P | y | 44.58 | -124.05 | 140.092 |
| KM19 | Newport Municipal Airport | AR | C | y | 35.6 | -91.2 | 239 |
| KPHF | Newport News / Williamsburg Intl Airport | VA | E | y | 37.14 | -76.5 | 42.651 |
| KUUU | Newport State Airport | RI | E | y | 41.54 | -71.28 | 170.604 |
| KEWK | Newton Automatic Weather Observing / Reporting Sys | KS | C | y | 38.05 | -97.29 | 1532.15 |
| KTNU | Newton Municipal | IA | C | y | 41.68 | -93.02 | 951.444 |
| KIAG | Niagara Falls International Airport | NY | E | y | 43.11 | -78.95 | 590.879 |
| PAFS | Nikolai Airport | AK | K | y | 63.0186 | -154.358 | 0 |
| PAWN | Noatak | AK | K | y | 67.57 | -162.98 | 91.864 |
| KOLS | Nogales Intl Airport | AZ | M | n | 31.42 | -110.85 | 4055.12 |
| PAOM | Nome Airport | AK | K | y | 64.5 | -165.44 | 13.123 |
| KORF | Norfolk International Airport | VA | E | y | 36.91 | -76.2 | 23.95 |
| KNGU | Norfolk, Naval Air Station | VA | E | y | 36.94 | -76.28 | 33.136 |
| KOFK | Norfolk, Stefan Memorial Airport | NE | C | y | 41.98 | -97.43 | 1549.87 |
| KOUN | Norman / Max Westheimer | OK | C | y | 35.246 | -97.472 | 1184.38 |
| KAQW | North Adams, Harriman-And-West Airport | MA | E | y | 42.71 | -73.17 | 659.449 |
| KOTH | North Bend (awos) | OR | P | y | 43.43 | -124.25 | 5.906 |
| KNZY | North Island Nas | CA | P | y | 32.71 | -117.2 | 48.885 |
| KOQU | North Kingstown/Quonset State | RI | E | y | 41.61 | -71.42 | 19.685 |
| KVGT | North Las Vegas | NV | P | y | 36.21 | -115.2 | 2201.44 |
| KCRE | North Myrtle Beach, Grand Strand Airport | SC | E | y | 33.81 | -78.72 | 33.136 |
| KLBF | North Platte Regional Airport | NE | C | y | 41.14 | -100.68 | 2778.87 |
| KGYI | North Texas Regional Airport | TX | C | y | 33.73 | -96.67 | 748.031 |
| KUKF | North Wilkesboro, Wilkes County Airport | NC | E | y | 36.22 | -81.1 | 1299.21 |
| KPNE | Northeast Philadelphia Airport | PA | E | y | 40.09 | -75.02 | 100.066 |
| PAOR | Northway Airport | AK | K | y | 62.97 | -141.94 | 1712.93 |
| KECP | Northwest Florida - Panama City International Airp | FL | C | y | 30.3582 | -85.7956 | 69 |
| KOWD | Norwood Memorial Airport | MA | E | y | 42.19 | -71.17 | 49.213 |
| KDVO | Novato/Gnoss Field Airport | CA | P | Y | 38.1436 | -122.556 | 100 |
| KRBO | Nueces County Airport | TX | C | y | 27.779 | -97.691 | 78.74 |
| PAQT | Nuiqsut Airport | AK | K | y | 70.21 | -151.01 | 55.774 |
| KVCB | Nut Tree Airport | CA | P | y | 38.378 | -121.957 | 111.549 |
| KONL | O Neill (Baker Field) | NE | C | y | 42.48 | -98.68 | 2030.84 |
| K76S | Oak Harbor Airport | WA | P | y | 48.25 | -122.667 | 190.289 |
| KOQT | Oak Ridge | TN | E | y | 36.02 | -84.23 | 910.105 |
| KOAK | Oakland | CA | P | y | 37.7 | -122.22 | 6.89 |
| KOCF | Ocala Municipal Automatic Weather Observing | FL | E | y | 29.18 | -82.22 | 88.583 |
| KOXB | Ocean City Municipal Airport | MD | E | y | 38.308 | -75.124 | 13.123 |
| KOKB | Oceanside Municipal (was L32) | CA | P | y | 33.219 | -117.349 | 29.528 |
| KODO | Odessa-Schlemeyer Field | TX | C | y | 31.921 | -102.392 | 2959.32 |
| KOLZ | Oelwein Municipal Airport | IA | C | y | 42.68 | -91.96 | 1076.11 |
| KOGA | Ogallala, Searle Field Airport | NE | M | y | 41.05 | -101.8 | 3274.28 |
| KOGD | Ogden-Hinckley Muni | UT | M | y | 41.2 | -112.01 | 4439.96 |
| KHIF | Ogden/Hill AFB | UT | M | y | 41.12 | -111.97 | 4799.87 |
| KOBE | Okeechobee County Airport | FL | E | y | 27.26 | -80.85 | 34 |
| KPWA | Oklahoma City, Wiley Post Airport | OK | C | y | 35.54 | -97.65 | 1299.21 |
| KOKC | Oklahoma City, Will Rogers World Airport | OK | C | y | 35.41 | -97.6 | 1279.86 |
| KOKM | Okmulgee Regional Airport | OK | C | y | 35.67 | -95.95 | 721.785 |
| KOJC | Olathe, Johnson County Executive Airport | KS | C | y | 38.85 | -94.74 | 1095.8 |
| KIXD | Olathe, New Century Aircenter | KS | C | y | 38.83 | -94.89 | 1086.94 |
| KOLD | Old Town / Dewitt Field Airport | ME | E | y | 44.95 | -68.667 | 134.843 |
| KOLV | Olive Branch Airport | MS | C | y | 34.98 | -89.79 | 401.903 |
| KOVL | Olivia Regional Airport | MN | C | y | 44.78 | -95.03 | 1076.11 |
| KOLY | Olney-Noble Airport | IL | C | y | 38.73 | -88.18 | 482.283 |
| KOLM | Olympia | WA | P | y | 46.98 | -122.9 | 216.864 |
| KOFF | Omaha / Offutt Air Force Base | NE | C | y | 41.117 | -95.917 | 1046.92 |
| KOMA | Omaha, Eppley Airfield | NE | C | y | 41.3 | -95.9 | 981.955 |
| KOMK | Omak Airport | WA | P | y | 48.46 | -119.52 | 1253.28 |
| KONT | Ontario Intl Arpt | CA | P | y | 34.06 | -117.6 | 941.601 |
| KONO | Ontario Municipal | OR | M | y | 44.02 | -117.01 | 2189.96 |
| KORC | Orange City | IA | C | y | 42.98 | -96.07 | 1414.04 |
| KOMH | Orange County Airport | VA | E | y | 38.247 | -78.046 | 465.879 |
| KORG | Orange County Airport | TX | C | y | 30.067 | -93.8 | 13.123 |
| KORE | Orange Municipal Airport | MA | E | y | 42.58 | -72.28 | 538.058 |
| KOGB | Orangeburg Municipal Airport | SC | E | y | 33.47 | -80.85 | 196.85 |
| KORS | Orcas Island Airport | WA | P | y | 48.717 | -122.917 | 26.247 |
| KODX | Ord, Evelyn Sharp Field Airport | NE | C | y | 41.62 | -98.95 | 2070.21 |
| KSFB | Orlando / Sanford Airport | FL | E | y | 28.78 | -81.24 | 55.118 |
| KORL | Orlando Executive Airport | FL | E | y | 28.55 | -81.33 | 104.987 |
| KMCO | Orlando International Airport | FL | E | y | 28.43 | -81.32 | 98.097 |
| KISM | Orlando, Kissimmee Municipal Airport | FL | E | y | 28.29 | -81.437 | 82.021 |
| KOMN | Ormond Beach Municipal Airport | FL | E | y | 29.3 | -81.1 | 29.528 |
| KOVE | Oroville | CA | P | y | 39.49 | -121.62 | 187.008 |
| KORB | Orr | MN | C | y | 48.02 | -92.87 | 1302.49 |
| KVVV | Ortonville Municipal-Martinson Field Airport | MN | C | y | 45.31 | -96.42 | 1099.08 |
| KI75 | Osceola Municipal Airport | IA | C | y | 41.0522 | -93.6597 | 1109 |
| KOEO | Osceola, L O Simenstad Municipal Airport | WI | C | y | 45.31 | -92.69 | 902.231 |
| KOSC | Oscoda-Wurtsmith Airport | MI | E | y | 44.46 | -83.4 | 604.003 |
| KOSH | Oshkosh, Wittman Regional Airport | WI | C | y | 44.01 | -88.57 | 830.052 |
| KOOA | Oskaloosa Municipal Airport | IA | C | y | 41.233 | -92.483 | 839.895 |
| KOTM | Ottumwa Industrial Airport | IA | C | y | 41.11 | -92.45 | 841.864 |
| KCKV | Outlaw Field Airport | TN | C | y | 36.6219 | -87.4149 | 550 |
| KOWA | Owatonna Automatic Weather Observing / Reporting | MN | C | y | 44.12 | -93.25 | 1148.29 |
| KOWB | Owensboro / Daviess | KY | C | y | 37.76 | -87.17 | 416.667 |
| KRNP | Owosso Community Airport | MI | E | y | 42.993 | -84.139 | 734.908 |
| KOWY | Owyhee | NV | P | y | 41.95 | -116.1 | 5396.98 |
| KOXC | Oxford Automatic Weather Observing / Reporting Sys | CT | E | y | 41.41 | -73.1 | 728.346 |
| KOXR | Oxnard | CA | P | y | 34.21 | -119.2 | 36.089 |
| KOZA | Ozona Municipal Airport | TX | C | Y | 30.7353 | -101.203 | 2381 |
| KPAH | Paducah, Barkley Regional Airport | KY | C | y | 37.07 | -88.77 | 407.152 |
| KPGA | Page Muni (amos) | AZ | M | n | 36.94 | -111.45 | 4278.21 |
| NSTU | Pago Pago | AS | S | n | -14.333 | -170.717 | 9.843 |
| KPSX | Palacios Municipal Airport | TX | C | y | 28.72 | -96.25 | 16.076 |
| KPSN | Palestine Municipal Airport | TX | C | y | 31.78 | -95.706 | 423.228 |
| KPSP | Palm Springs Rgnl | CA | P | y | 33.84 | -116.5 | 475.722 |
| KPMD | Palmdale Production | CA | P | y | 34.63 | -118.08 | 2523.95 |
| PAAQ | Palmer | AK | K | y | 61.61 | -149.09 | 232.94 |
| KPAO | Palo Alto Airport | CA | P | y | 37.48 | -122.12 | 6.562 |
| KPFN | Panama City-Bay County Intl Airport | FL | C | y | 30.2 | -85.68 | 19.685 |
| KPRX | Paris / Cox Field | TX | C | y | 33.64 | -95.45 | 561.024 |
| KPKD | Park Rapids Municipal Airport | MN | C | y | 46.91 | -95.07 | 1434.06 |
| KPKB | Parkersburg, Mid Ohio Valley Regional Airport | WV | E | y | 39.36 | -81.43 | 831.037 |
| KPPF | Parsons, Tri-City Airport | KS | C | y | 37.3 | -95.5 | 898.95 |
| KPGL | Pascagoula / Jackson | MS | C | y | 30.4 | -88.483 | 9.843 |
| KPQL | Pascagoula, Lott International Airport | MS | C | y | 30.46 | -88.53 | 16.404 |
| KPSC | Pasco/Tri-Cities | WA | P | y | 46.27 | -119.12 | 430.118 |
| KPRB | Paso Robles Muni | CA | P | y | 35.68 | -120.63 | 799.869 |
| KPAT | Pathfinder Hill | WY | M | y | 42.56 | -106.85 | |
| KPTN | Patterson Memorial | LA | C | y | 29.72 | -91.33 | 9.843 |
| KNHK | Patuxent River, Naval Air Station | MD | E | y | 38.29 | -76.4 | 45.932 |
| KPVJ | Pauls Valley Municipal Airport | OK | C | y | 34.711 | -97.223 | 967.848 |
| PAXK | Paxson | AK | K | y | 63.033 | -145.5 | 2654.2 |
| KPEX | Paynesville Municipal Airport | MN | C | y | 45.3722 | -94.7464 | |
| KPAN | Payson Airport | AZ | M | n | 34.2568 | -111.339 | 5157 |
| KLVJ | Pearland Regional Airport | TX | C | y | 29.519 | -95.242 | 42.651 |
| KVUO | Pearson Airpark Vancouver | WA | P | y | 45.62 | -122.66 | 26.247 |
| KPSM | Pease Air Force Base / Portsmouth | NH | E | y | 43.09 | -70.82 | 101.706 |
| KPEQ | Pecos Municipal Airport | TX | C | y | 31.383 | -103.5 | 2611.55 |
| KPEA | Pella Muni Airport | IA | C | y | 41.4 | -92.95 | 885.827 |
| KPLN | Pellston Regional Airport of Emmet County | MI | E | y | 45.58 | -84.8 | 714.895 |
| KPDT | Pendleton Municipal | OR | P | y | 45.69 | -118.85 | 1493.11 |
| KPEO | Penn Yan Airport | NY | E | y | 42.65 | -77.05 | 902.231 |
| KPNS | Pensacola International Airport | FL | C | y | 30.47 | -87.2 | 111.877 |
| KNPA | Pensacola, Naval Air Station | FL | C | y | 30.36 | -87.32 | 33.136 |
| KPPA | Perry Lefors Field | TX | C | y | 35.613 | -100.996 | 3244.75 |
| KPRO | Perry Municipal Airport | IA | C | y | 41.828 | -94.1598 | 1013 |
| K40J | Perry-Foley Airport | FL | E | y | 30.07 | -83.57 | 42.651 |
| KPYX | Perryton | TX | C | y | 36.414 | -100.75 | 2919.95 |
| KTPF | Peter O Knight Airport | FL | E | y | 27.9156 | -82.4493 | 8 |
| PAPG | Petersburg | AK | K | y | 56.82 | -132.97 | 106.955 |
| KPTB | Petersburg Automatic Weather Observing / Reporting | VA | E | y | 37.19 | -77.52 | 196.85 |
| KW99 | Petersburg, Grant County Airport | WV | E | y | 38.983 | -79.133 | 961.286 |
| KPHL | Philadelphia International Airport | PA | E | y | 39.87 | -75.23 | 4.921 |
| KPHP | Philip Airport | SD | M | y | 44.05 | -101.6 | 2208 |
| KPBH | Phillips / Price County | WI | C | y | 45.41 | -90.24 | 1473.1 |
| KAPG | Phillips Army Air Field / Aberdeen | MD | E | y | 39.47 | -76.17 | 59.055 |
| KPHX | Phoenix/Sky Harbor | AZ | M | n | 33.44 | -112.02 | 1111.88 |
| TTPP | Piarco Intl Airport/Trinidad | TT | A | n | 10.617 | -61.35 | 49.213 |
| KPIR | Pierre Regional Airport | SD | C | y | 44.39 | -100.28 | 1723.1 |
| PAPN | Pilot Point Airport | AK | K | y | 57.5804 | -157.572 | 0 |
| KPIB | Pine Belt Regional Automatic Weather Observing | MS | C | y | 31.47 | -89.33 | 305.118 |
| KPBF | Pine Bluff, Grider Field Airport | AR | C | y | 34.18 | -91.93 | 207.021 |
| KIEN | Pine Ridge Airport | SD | M | y | 43.01 | -102.51 | 3330.05 |
| KPWC | Pine River Regional Airport | MN | C | y | 46.72 | -94.38 | 1295.93 |
| KGDP | Pine Springs, Guadalupe Mountains National Park | TX | C | y | 31.83 | -104.8 | 5456.04 |
| KPIN | Piney Creek | WY | M | y | 44.53 | -106.81 | |
| KPQN | Pipestone Automatic Weather Observing / Reporting | MN | C | y | 43.99 | -96.32 | 1735.56 |
| KPGV | Pitt-Greenville Airport | NC | E | y | 35.63 | -77.4 | 26.247 |
| KPIT | Pittsburgh International Airport | PA | E | y | 40.51 | -80.22 | 1149.93 |
| KAGC | Pittsburgh, Allegheny County Airport | PA | E | y | 40.36 | -79.94 | 1248.03 |
| KPSF | Pittsfield Municipal Airport | MA | E | y | 42.43 | -73.29 | 1193.9 |
| KPPQ | Pittsfield Penstone Municipal Airport | IL | C | y | 39.63 | -90.78 | 708.661 |
| KPCM | Plant City Airport | FL | E | y | 28.0002 | -82.1642 | 154 |
| KJYL | Plantation Airpark | GA | E | y | 32.645 | -81.596 | 187.008 |
| PAPM | Platinum Airport | AK | K | y | 59.0114 | -161.82 | 0 |
| KPVB | Platteville Municipal Airport | WI | C | y | 42.6894 | -90.4444 | 1024 |
| KPBG | Plattsburgh International Airport | NY | E | y | 44.6509 | -73.4681 | 271 |
| KPMV | Plattsmouth Municipal Airport | NE | C | y | 40.9484 | -95.9174 | 0 |
| KPEZ | Pleasanton Municipal Airport | TX | C | y | 28.95 | -98.52 | 430 |
| K1P1 | Plymouth Municipal Airport | NH | E | y | 43.78 | -71.53 | 505 |
| KPYM | Plymouth Municipal Airport | MA | E | y | 41.91 | -70.73 | 147.638 |
| KPIH | Pocatello Municipal | ID | M | y | 42.93 | -112.6 | 4469.16 |
| KMPO | Pocono Mountains Municipal Airport | PA | C | y | 41.14 | -75.38 | 1916.01 |
| PTTP | Pohnpei | FM | F | n | 6.95 | 158.25 | 127.953 |
| PTPN | Pohnpei Intl Airport | FM | F | n | 6.97 | 158.22 | 120.079 |
| PAPO | Point Hope Automatic Weather Observing / Reporting | AK | K | y | 68.35 | -166.81 | 13.123 |
| PPIZ | Point Lay LRRS | AK | K | y | 69.73 | -163.02 | 19.685 |
| K3I2 | Point Pleasant, Mason County Airport | WV | E | y | 38.9144 | -82.0983 | |
| TGPY | Point Salines Airport | GD | A | n | 12 | -61.783 | 22.966 |
| KPMP | Pompano Beach Airpark | FL | E | y | 26.25 | -80.11 | 19.685 |
| KPNC | Ponca City Municipal Airport | OK | C | y | 36.73 | -97.1 | 999.016 |
| TJPS | Ponce | PR | A | n | 18.02 | -66.57 | 26.247 |
| KPNT | Pontiac Municipal Airport | IL | C | y | 40.92 | -88.63 | 659.449 |
| KPTK | Pontiac, Oakland County International Airport | MI | E | y | 42.67 | -83.42 | 1003.94 |
| KPOB | Pope Air Force Base | NC | E | y | 35.18 | -79.02 | 217.848 |
| KPOF | Poplar Bluff Municipal Airport | MO | C | y | 36.77 | -90.32 | 479.003 |
| PAAP | Port Alexander | AK | K | y | 56.26 | -134.66 | 3.281 |
| PALJ | Port Alsworth | AK | K | y | 60.21 | -154.31 | 278.871 |
| KCLM | Port Angeles Intl Airport | WA | P | y | 48.12 | -123.5 | 298.556 |
| KCMH | Port Columbus International Airport | OH | E | y | 40.01 | -82.88 | 833.005 |
| PAPH | Port Heiden | AK | K | y | 56.96 | -158.62 | 95.144 |
| KP58 | Port Hope | MI | E | y | 44.022 | -82.793 | 600.394 |
| KPIL | Port Isabel-Cameron County Airport | TX | C | y | 26.159 | -97.338 | 19.029 |
| KGKJ | Port Meadville Airport | PA | E | y | 41.62 | -80.21 | 1400.92 |
| KSKF | Port San Antonio | TX | C | y | 29.383 | -98.583 | 682.087 |
| PATO | Portage Glacier | AK | K | y | 60.783 | -148.833 | 95.144 |
| KPTV | Porterville (awos) | CA | P | y | 36.04 | -119.07 | 442.913 |
| KGYX | Portland | ME | E | y | 43.883 | -70.25 | 82.021 |
| KPWM | Portland International Jetport | ME | E | y | 43.65 | -70.301 | 79.068 |
| KPDX | Portland Intl Arpt | OR | P | y | 45.58 | -122.6 | 39.042 |
| KHIO | Portland/Hillsboro | OR | P | y | 45.54 | -122.95 | 203.412 |
| KTTD | Portland/Troutdale | OR | P | y | 45.55 | -122.4 | 36.089 |
| K1M4 | Posey Field Airport | AL | c | y | 34.28 | -87.6 | 930 |
| KRKR | Poteau/Robert S. Kerr Airport | OK | C | y | 35.022 | -94.621 | 452.756 |
| KPTW | Pottstown Limerick Airport | PA | E | y | 40.24 | -75.56 | 291.995 |
| KPOU | Poughkeepsie, Dutchess County Airport | NY | E | y | 41.64 | -73.88 | 154.856 |
| KPDC | Prairie Du Chien Municipal Airport | WI | C | y | 43.02 | -91.12 | 659.449 |
| KPTT | Pratt Industrial Airport | KS | C | y | 37.702 | -98.747 | 1952.1 |
| KPRC | Prescott/Love Fld | AZ | M | n | 34.65 | -112.42 | 5042 |
| KPQI | Presque Isle | ME | E | y | 46.69 | -68.05 | 535.105 |
| KPZQ | Presque Isle County Airport | MI | E | y | 45.4 | -83.817 | 669.291 |
| KFKA | Preston-Fillmore Co Airport | MN | C | y | 43.677 | -92.18 | 1276.25 |
| KPUC | Price/Carbon County | UT | M | y | 39.62 | -110.75 | 5902.23 |
| KPNM | Princeton | MN | C | y | 45.56 | -93.61 | 1003.94 |
| PAPR | Prospect Creek Airport | AK | K | y | 66.817 | -150.65 | 1099.08 |
| KPVD | Providence, Green State Airport | RI | E | y | 41.73 | -71.43 | 65.945 |
| KPVC | Provincetown Automatic Weather Observing/Reporting | MA | E | y | 42.01 | -70.2 | 6.562 |
| KPVU | Provo Muni (awos) | UT | M | y | 40.23 | -111.72 | 4491.47 |
| KNTD | Pt Mugu Naws | CA | P | y | 34.12 | -119.12 | 9.843 |
| K87Q | Pt Piedras(cg/Amos) | CA | P | y | 35.68 | -121.28 | 68.898 |
| KPUB | Pueblo Memorial(aw) | CO | M | y | 38.29 | -104.52 | 4684.06 |
| KPUW | Pullman/Moscow Rgnl | WA | P | y | 46.76 | -117.12 | 2552.49 |
| KPUM | Pumpkin Vine | WY | M | y | 41.033 | -105.45 | 7998.69 |
| KPGD | Punta Gorda, Charlotte County Airport | FL | E | y | 26.92 | -81.99 | 22.966 |
| PAPT | Puntilla | AK | K | y | 62.1 | -152.75 | 1837.27 |
| KUKT | Quakertown Airport | PA | E | y | 40.435 | -75.382 | 524.934 |
| KNYG | Quantico Marine Corps Air Facility | VA | E | y | 38.51 | -77.3 | 13.123 |
| TNCA | Queen Beatrix Airport | AW | A | n | 12.5 | -70.017 | 16.404 |
| KUIL | Quillayute State | WA | P | y | 47.96 | -124.55 | 179.134 |
| KUIN | Quincy Regional-Baldwin Field Airport | IL | C | y | 39.94 | -91.2 | 763.123 |
| KRAC | Racine, Batten International Airport | WI | C | y | 42.76 | -87.81 | 672.572 |
| KRDU | Raleigh-Durham International Airport | NC | E | y | 35.88 | -78.78 | 416.01 |
| KPNA | Ralph Wenz Field Airport | WY | M | y | 42.783 | -109.8 | 7086.61 |
| KRNM | Ramona Airport | CA | P | y | 33.04 | -116.91 | 1391.08 |
| KRND | Randolph Air Force Base | TX | C | y | 29.533 | -98.283 | 754.921 |
| KTIP | Rantoul Natl Avn Cntr-Frank Elliot Field Airport | IL | C | y | 40.29 | -88.14 | 738.189 |
| KRAP | Rapid City Regional Airport | SD | M | y | 44.05 | -103.07 | 3160.1 |
| NCRG | Rarotonga | KU | G | n | -21.2 | -159.817 | 22.966 |
| KRTN | Raton Municipal Crews Field | NM | M | y | 36.74 | -104.5 | 6349.08 |
| KRWL | Rawlins Municipal | WY | M | y | 41.8 | -107.2 | 6735.89 |
| KRDG | Reading Regional/Carl A. Spaatz Field Airport | PA | E | y | 40.39 | -75.97 | 340.879 |
| KRBL | Red Bluff Municipal | CA | P | y | 40.15 | -122.25 | 349.081 |
| PARD | Red Dog Airport | AK | K | y | 68.08 | -162.83 | 974.409 |
| KRDK | Red Oak | IA | C | y | 41.02 | -95.27 | 1043.31 |
| KRGK | Red Wing Municipal Airport | MN | C | y | 44.59 | -92.49 | 784.121 |
| KRDD | Redding Municipal | CA | P | y | 40.51 | -122.3 | 501.969 |
| KRDM | Redmond (awos) | OR | P | y | 44.28 | -121.15 | 3050.85 |
| KHUA | Redstone Army Airfield | AL | C | y | 34.683 | -86.683 | 685.696 |
| KRWF | Redwood Falls Municipal Airport | MN | C | y | 44.55 | -95.08 | 1023.62 |
| KRNO | Reno Tahoe International Airport | NV | P | y | 39.4839 | -119.771 | 4493.11 |
| KRNT | Renton Municipal | WA | P | y | 47.51 | -122.22 | 32.808 |
| KRXE | Rexburg-Madison County Airport | ID | M | y | 43.83 | -111.81 | 4858.92 |
| KRHI | Rhinelander-Oneida County Airport | WI | C | y | 45.63 | -89.47 | 1663.39 |
| KRPD | Rice Lake Regl - Carls Field Airport | WI | C | y | 45.51 | -91.73 | 1138.45 |
| KJFZ | Richlands Tazewell County Airport | VA | E | y | 37.064 | -81.798 | 2650.92 |
| KRIC | Richmond International Airport | VA | E | y | 37.51 | -77.31 | 164.042 |
| KAMA | Rick Husband Amarillo Intl Airport | TX | C | y | 35.23 | -101.7 | 3585.96 |
| KLCK | Rickenbacker Air National Guard Base | OH | E | y | 39.83 | -82.93 | 754.921 |
| KRIL | Rifle/Garfield Rgnl | CO | M | y | 39.54 | -107.72 | 5547.9 |
| KRAL | Riverside Municipal | CA | P | y | 33.95 | -117.45 | 839.895 |
| KRIW | Riverton Regional Airport | WY | M | y | 43.05 | -108.45 | 5456.04 |
| KRZZ | Roanoke Rapids, Halifax County Airport | NC | E | y | 36.44 | -77.71 | 252.625 |
| KROA | Roanoke Regional Airport | VA | E | y | 37.33 | -79.97 | 1148.95 |
| KMJX | Robert J. Miller Air Park | NJ | E | y | 39.9275 | -74.2924 | 82 |
| KD55 | Robertson Field Airport | ND | C | y | 48.7531 | -98.3937 | 1608 |
| KWRB | Robins Air Force Base | GA | E | y | 32.64 | -83.6 | 301.837 |
| KRSV | Robinson Municipal Airport | IL | C | y | 39.016 | -87.65 | 462.598 |
| KRPJ | Rochelle Muni-Koritz Field Airport | IL | C | y | 41.89 | -89.08 | 780.84 |
| KRST | Rochester International Airport | MN | C | y | 43.93 | -92.5 | 1304.13 |
| KDAW | Rochester, Skyhaven Airport | NH | E | y | 43.278 | -70.92 | 321.522 |
| KUZA | Rock Hill - York County Airport | SC | E | y | 34.984 | -81.056 | 669.291 |
| KRKS | Rock Springs | WY | M | y | 41.61 | -109.07 | 6741.14 |
| K45J | Rockingham | NC | E | y | 34.883 | -79.75 | 357.612 |
| KRKD | Rockland / Knox Automatic Weather Observing | ME | E | y | 44.08 | -69.12 | 55.774 |
| KRKP | Rockport, Aransas County Airport | TX | C | y | 28.09 | -97.05 | 26.247 |
| KRWI | Rocky Mount-Wilson Regional Airport | NC | E | y | 35.86 | -77.88 | 164.042 |
| KROG | Rogers Automatic Weather Observing / Reporting Sys | AR | C | y | 36.38 | -94.11 | 1361.55 |
| KVIH | Rolla National Airport | MO | C | y | 38.14 | -91.77 | 1102.03 |
| KREO | Rome | OR | M | y | 42.58 | -117.89 | 4049.87 |
| KRME | Rome Griffiss Airfield | NY | E | y | 43.234 | -75.407 | 504 |
| KRMG | Rome, R. B. Russell Airport | GA | E | y | 34.36 | -85.17 | 639.108 |
| TJNR | Roosevelt Roads Naval Station | PR | A | n | 18.25 | -65.633 | 38.058 |
| KROX | Roseau Municipal Automatic Weather Observing | MN | C | y | 48.86 | -95.69 | 1059.71 |
| KRBG | Roseburg Municipal | OR | P | y | 43.23 | -123.35 | 524.934 |
| KSTJ | Rosecrans Memorial Airport near St Joseph | MO | C | y | 39.77 | -94.91 | 256.89 |
| KROW | Roswell/Industrial | NM | M | y | 33.31 | -104.51 | 3648.95 |
| PGRO | Rota/Intl | GU | G | n | 14.18 | 145.25 | 587.27 |
| KTDF | Roxboro, Person County Airport | NC | E | y | 36.285 | -78.984 | 610.236 |
| PARY | Ruby Airport | AK | K | y | 64.7272 | -155.47 | 0 |
| KSRR | Ruidoso Regional | NM | M | y | 33.36 | -105.67 | 6817.58 |
| KROS | Rush City Regional Airport | MN | C | y | 45.698 | -92.953 | 921.916 |
| KRCX | Rusk County Airport | WI | C | y | 45.483 | -91 | 1236.88 |
| KRFI | Rusk County Airport | TX | C | y | 32.1417 | -94.8517 | 442 |
| KRSL | Russell Municipal Airport | KS | C | y | 38.87 | -98.81 | 1863.84 |
| KRUE | Russellville Municipal Airport | AR | C | y | 35.26 | -93.09 | 403.543 |
| PARS | Russian Mission Airport | AK | K | y | 61.7749 | -161.319 | 0 |
| KRSN | Ruston Regional Airport | LA | C | y | 32.5144 | -92.5883 | |
| KFQD | Rutherfordton/Rutherford Co-Marchman Field Airport | NC | E | y | 35.43 | -81.94 | 1079.4 |
| KRUT | Rutland-Southern Vermont Regional Airport | VT | E | y | 43.54 | -72.95 | 807.087 |
| KVBS | SABINE 13B | | C | Y | 29.478 | 93.638 | 0 |
| KRPE | Sabine Pass | TX | C | y | 29.7 | -93.95 | 9.843 |
| KSMF | Sacramento Metro | CA | P | y | 38.7 | -121.6 | 22.966 |
| KSAC | Sacramento/Executiv | CA | P | y | 38.52 | -121.5 | 15.092 |
| KSAD | Safford Municipal | AZ | M | n | 32.85 | -109.64 | 3116.8 |
| KHYX | Saginaw County H.W. Browne Airport | MI | E | y | 43.433 | -83.862 | 600.394 |
| KMBS | Saginaw, MBS International Airport | MI | E | y | 43.53 | -84.08 | 662.073 |
| K04V | Saguache | CO | M | y | 38.1 | -106.167 | 7824.8 |
| KSGU | Saint George (awos) | UT | M | y | 37.09 | -113.6 | 2939.63 |
| K1V4 | Saint Johnsbury | VT | E | y | 44.42 | -72.02 | 700.131 |
| PGSN | Saipan Intl Airport | GU | G | n | 15.12 | 145.73 | 104.987 |
| KSLO | Salem-Leckrone | IL | C | y | 38.65 | -88.97 | 570.866 |
| KSLE | Salem/Mcnary | OR | P | y | 44.93 | -123.02 | 200.131 |
| KANK | Salida/Harriet Alexander Field | CO | M | y | 38.5383 | -106.049 | 7523 |
| KSLN | Salina Municipal Airport | KS | C | y | 38.8 | -97.65 | 1271 |
| KSNS | Salinas Municipal | CA | P | y | 36.66 | -121.61 | 51.837 |
| KRUQ | Salisbury, Rowan County Airport | NC | E | y | 35.65 | -80.517 | 774.278 |
| KSBY | Salisbury-Wicomico County Regional Airport | MD | E | y | 38.34 | -75.5 | 49.869 |
| KJSV | Sallisaw Municipal Airport | OK | C | y | 35.44 | -94.8 | 528.215 |
| KSMN | Salmon/Lemhi (awos) | ID | M | y | 45.12 | -113.88 | 4045.28 |
| KSLC | Salt Lake City International | UT | M | y | 40.79 | -111.97 | 4222.11 |
| KP92 | Salt Point | LA | C | y | 29.6 | -91.3 | 9.843 |
| KCTZ | Sampson County Airport | NC | E | y | 34.983 | -78.367 | 147.638 |
| KSJT | San Angelo, Mathis Field | TX | C | y | 31.37 | -100.5 | 1916.01 |
| KSAT | San Antonio International Airport | TX | C | y | 29.54 | -98.47 | 809.055 |
| KSSF | San Antonio, Stinson Municipal Airport | TX | C | y | 29.33 | -98.47 | 577.428 |
| KSQL | San Carlos Airport | CA | P | y | 37.53 | -122.25 | 3.281 |
| KSDM | San Diego/Brown Fld | CA | P | y | 32.58 | -116.98 | 522.966 |
| KSEE | San Diego/Gillespie | CA | P | y | 32.83 | -116.97 | 383.858 |
| KSAN | San Diego/Lindbergh | CA | P | y | 32.73 | -117.17 | 36.089 |
| KMYF | San Diego/Montg | CA | P | y | 32.83 | -117.13 | 423.228 |
| KSFO | San Francisco Intl Airport | CA | P | y | 37.62 | -122.37 | 7.874 |
| KSJC | San Jose International Airport | CA | P | y | 37.37 | -121.93 | 51.837 |
| KRHV | San Jose/Reid/Hillv | CA | P | y | 37.34 | -121.82 | 134.514 |
| KSBP | San Luis Obispo | CA | P | y | 35.24 | -120.64 | 216.535 |
| KHYI | San Marcos Municipal Airport | TX | C | y | 29.9 | -97.87 | 597.113 |
| KNSI | San Nicolas Island | CA | P | y | 33.26 | -119.45 | 892.06 |
| PASD | Sand Point | AK | K | y | 55.32 | -160.52 | 22.966 |
| KSDB | Sandberg (aut) | CA | P | y | 34.76 | -118.73 | 4517.06 |
| KSZT | Sandpoint Airport | ID | M | y | 48.3 | -116.55 | 2125.98 |
| KSFM | Sanford Municipal Automatic Weather Observing | ME | E | y | 43.4 | -70.7 | 242.782 |
| KTTA | Sanford-Lee County Regional Airport | NC | E | y | 35.58 | -79.1 | 246.063 |
| KSNA | Santa Ana/John-Wayne | CA | P | y | 33.68 | -117.88 | 33.136 |
| KSBA | Santa Barbara Muni | CA | P | y | 34.44 | -119.83 | 8.858 |
| KSAF | Santa Fe County Municipal Airport | NM | M | y | 35.62 | -106.08 | 6344.16 |
| KSMX | Santa Maria Public | CA | P | y | 34.91 | -120.45 | 253.937 |
| KSMO | Santa Monica Muni | CA | P | y | 34.03 | -118.45 | 173.885 |
| KSTS | Santa Rosa (awos) | CA | P | y | 38.51 | -122.81 | 124.672 |
| KIZA | Santa Ynez Airport | CA | P | y | 34.6 | -120.067 | 672.572 |
| KSLK | Saranac Lake, Adirondack Regional Airport | NY | E | y | 44.39 | -74.2 | 1706.04 |
| KSRQ | Sarasota-Bradenton Intl Airport | FL | E | y | 27.4 | -82.55 | 32.808 |
| KD39 | Sauk Centre Municipal Airport | MN | C | y | 45.7066 | -94.9334 | 1244 |
| KANJ | Sault Ste. Marie | MI | E | y | 46.485 | -84.366 | 717.848 |
| KSAV | Savannah International Airport | GA | E | y | 32.14 | -81.2 | 45.932 |
| PASA | Savoonga Airport | AK | K | y | 63.69 | -170.5 | 55.774 |
| PACM | Scammon Bay Airport | AK | K | y | 61.8453 | -165.571 | 0 |
| KSPB | Scappoose Industrial Apk (1s4) | OR | P | y | 45.769 | -122.862 | 52.493 |
| KSCH | Schenectady Airport | NY | E | y | 42.86 | -73.93 | 331.037 |
| KBLV | Scott Air Force Base / Belleville | IL | C | y | 38.55 | -89.85 | 442.913 |
| KBFF | Scottsbluff, Heilig Field | NE | M | y | 41.88 | -103.6 | 3953.08 |
| KSDL | Scottsdale Muni | AZ | M | n | 33.61 | -111.91 | 1509.19 |
| K2SL | Sea Lion Caves | OR | P | y | 0 | 0 | |
| KSEA | Seattle-Tacoma Intl Airport | WA | P | y | 47.44 | -122.31 | 383.858 |
| KBFI | Seattle/Boeing Fld | WA | P | y | 47.54 | -122.3 | 29.856 |
| KDMO | Sedalia Memorial Airport | MO | C | y | 38.71 | -93.16 | 908.793 |
| KSEZ | Sedona Airport | AZ | M | N | 34.8486 | -111.788 | 4830 |
| PASK | Selawik | AK | K | y | 66.62 | -160 | 26.247 |
| PASO | Seldovia Airport | AK | K | y | 59.44 | -151.7 | 311.68 |
| KMTC | Selfridge Air National Guard Base | MI | E | y | 42.62 | -82.84 | 576.115 |
| KSEG | Selinsgrove, Penn Valley Airport | PA | E | y | 40.82 | -76.86 | 443.898 |
| KSRE | Seminole Municipal Airport | OK | C | y | 35.2744 | -96.675 | 1024 |
| PAWD | Seward Airport | AK | K | y | 60.12 | -149.45 | 59.055 |
| KSXT | Sexton Summit(amos) | OR | P | y | 42.62 | -123.37 | 3832.02 |
| KGSB | Seymour-Johnson Air Force Base | NC | E | y | 35.34 | -77.97 | 82.021 |
| KSSC | Shaw Air Force Base | SC | E | y | 33.98 | -80.47 | 243.11 |
| KEZS | Shawano Municipal Airport | WI | C | Y | 44.7873 | -88.56 | 813 |
| KSNL | Shawnee Municipal Airport | OK | C | y | 35.36 | -96.94 | 1072.83 |
| KSBM | Sheboygan County Memorial Airport | WI | C | y | 43.78 | -87.85 | 748.031 |
| PASP | Sheep Mountain Airport | AK | K | y | 61.82 | -147.5 | 9708 |
| KEHO | Shelby Municipal Airport | NC | E | y | 35.25 | -81.6 | 846.457 |
| KGEZ | Shelbyville Municipal Airport | IN | E | y | 39.596 | -85.8 | 803.806 |
| KSHL | Sheldon | IA | C | y | 43.22 | -95.83 | 1417.32 |
| KO87 | Shelter Cove | CA | P | y | 40.04 | -124.07 | 68.898 |
| KSHN | Shelton/Sanderson | WA | P | y | 47.23 | -123.15 | 278.871 |
| PASY | Shemya AFB | AK | K | y | 52.72 | 174.12 | 101.706 |
| KSDA | Shenandoah Municipal | IA | C | y | 40.75 | -95.42 | 971.129 |
| KSHR | Sheridan Co. Arpt | WY | M | y | 44.78 | -106.97 | 3963.91 |
| KF39 | Sherman-Denison | TX | C | y | 33.717 | -96.667 | 748.031 |
| KSIF | Shiloh Airport | NC | E | y | 0 | 0 | |
| KGSM | Ship Shoal 207A | LA | C | y | 28.533 | -90.983 | 3.281 |
| KHWV | Shirley, Brookhaven Airport | NY | E | y | 40.817 | -72.867 | 82.021 |
| PASH | Shishmaref Automatic Wx Obs | AK | K | y | 66.27 | -166.05 | 6.562 |
| KSOW | Show Low Municipal | AZ | M | n | 34.28 | -110 | 6410.76 |
| KDTN | Shreveport Downtown Airport | LA | C | y | 32.53 | -93.75 | 180.446 |
| KSHV | Shreveport Regional Airport | LA | C | y | 32.45 | -93.83 | 253.937 |
| KSIB | Sibley Peak | WY | M | y | 42.433 | -105.033 | 4888.45 |
| KSNY | Sidney Municipal Airport | NE | M | y | 41.11 | -102.98 | 4291.01 |
| KSDY | Sidney-Richland | MT | M | y | 47.73 | -104.18 | 1984.91 |
| KSLG | Siloam Springs Automatic Weather Observing/Report | AR | C | y | 36.19 | -94.49 | 1194.23 |
| KBFW | Silver Bay | MN | C | y | 47.21 | -91.41 | 1085.96 |
| KSVC | Silver City/Grant | NM | M | y | 32.64 | -108.16 | 5376.97 |
| KFSD | Sioux Falls, Foss Field | SD | C | y | 43.59 | -96.74 | 1434.06 |
| KSUX | Sioux Gateway Airport | IA | C | y | 42.41 | -96.38 | 1102.03 |
| KRZN | Siren, Burnett County Airport | WI | C | y | 45.823 | -92.373 | 987.533 |
| K8D3 | Sisseton Municipal Airport | SD | C | y | 45.67 | -97 | 1161.42 |
| PASI | Sitka | AK | K | y | 57.07 | -135.35 | 15.092 |
| KBVS | Skagit Regional Airport | WA | P | y | 48.467 | -122.417 | 144.357 |
| PAGY | Skagway | AK | K | y | 59.48 | -135.32 | 29.856 |
| PASW | Skwentna | AK | K | y | 61.97 | -151.18 | 149.934 |
| KDYT | Sky Harbor Airport | MN | C | y | 46.72 | -92.04 | 610.236 |
| KRCM | Skyhaven Airport | MO | C | y | 38.784 | -93.803 | 798 |
| KSKL | Skyline | WY | M | y | 41.13 | -106.57 | |
| PADT | Slana Airport | AK | K | y | 62.71 | -143.99 | 2395.01 |
| KDVP | Slayton Municipal Airport | MN | C | y | 43.987 | -95.783 | 1624.02 |
| PASL | Sleetmute | AK | K | y | 61.72 | -157.15 | 177.165 |
| KASD | Slidell Airport | LA | C | y | 30.35 | -89.82 | 26.247 |
| KSFZ | Smithfield | RI | E | y | 41.91 | -71.4 | 439.633 |
| KJNX | Smithfield, Johnston County Airport | NC | E | y | 35.541 | -78.39 | 164.042 |
| KMQY | Smyrna | TN | C | y | 36.01 | -86.5 | 557.743 |
| PALK | Snowshoe Lake | AK | K | y | 62.03 | -146.68 | 2411.42 |
| KONM | Socorro Municipal Airport | NM | M | Y | 34.0225 | -106.903 | 4875 |
| KU78 | Soda Springs/Tigert | ID | M | y | 42.66 | -111.58 | 5839.9 |
| PASX | Soldotna | AK | K | y | 60.48 | -151.03 | 111.549 |
| KSME | Somerset-Pulaski County-J.T. Wilson Field Airport | KY | E | y | 37.055 | -84.614 | 928.478 |
| KSMQ | Somerville, Somerset Airport | NJ | E | y | 40.624 | -74.669 | 104.987 |
| KSOA | Sonora Municipal Airport | TX | C | y | 30.583 | -100.65 | 2139.11 |
| KSBN | South Bend Regional Airport | IN | E | y | 41.71 | -86.32 | 772.966 |
| KLWA | South Haven | MI | E | y | 42.351 | -86.256 | 666.01 |
| KAVC | South Hill, Mecklenburg-Brunswick Regional Airport | VA | E | y | 36.69 | -78.05 | 1410.76 |
| KVTP | South La Veta Pass (10,216 feet) | CO | M | y | 37.512 | -105.171 | 10216.5 |
| KGAO | South Lafourche Airport | LA | C | y | 29.4447 | -90.2611 | |
| KTVL | South Lake Tahoe | CA | P | y | 38.91 | -120 | 6263.12 |
| KSCF | SOUTH MARSH 268 | | C | Y | 29.116 | 91.871 | 0 |
| KSRN | South Marsh 268A | LA | C | y | 29.117 | -91.867 | 3.281 |
| K7R8 | South Marsh Island | LA | C | y | 28.3 | -91.983 | 3.281 |
| KSPL | South Padre Island Heliport | TX | C | y | 26.0706 | -97.1572 | 10 |
| KSGS | South St. Paul Municipal-Richard E | MN | C | y | 44.85 | -93.15 | 820.21 |
| KS58 | South Timbalier | LA | C | y | 28.32 | -90.35 | 3.281 |
| KVCV | Southern California Logisitics Airport | CA | P | y | 34.583 | -117.383 | 2874.02 |
| KSOP | Southern Pines Automatic Weather Observing/Report | NC | E | y | 35.24 | -79.41 | 462.598 |
| KUXL | Southland Field Airport | LS | C | y | 0 | 0 | |
| PASV | Sparrevohn | AK | K | y | 61.1 | -155.567 | 1587.93 |
| KCMY | Sparta / Fort McCoy Airport | WI | C | y | 43.958 | -90.738 | 839.895 |
| KSAR | Sparta Community-Hunter Field Airport | IL | C | y | 38.15 | -89.7 | 538.058 |
| KS14 | Spencer | ID | P | y | 44.3 | -112.1 | 5882.55 |
| KSPW | Spencer Municipal Airport | IA | C | y | 43.17 | -95.21 | 1338.58 |
| KSUS | Spirit Of St. Louis Airport | MO | C | y | 38.66 | -90.63 | 461.942 |
| KGEG | Spokane Intl Arpt | WA | P | y | 47.62 | -117.53 | 1952.1 |
| KSFF | Spokane/Felts Field | WA | P | y | 47.68 | -117.32 | 2001.31 |
| KASG | Springdale Municipal | AR | C | y | 36.19 | -94.12 | 1351.71 |
| KSPI | Springfield, Capital Airport | IL | C | y | 39.86 | -89.67 | 585.958 |
| KSGH | Springfield-Beckley Municipal Airport | OH | E | y | 39.833 | -83.833 | 1060.04 |
| KSGF | Springfield-Branson National Airport | MO | C | y | 37.23 | -93.38 | 1258.86 |
| KSPD | Springfield/Comanche Natl Grass | CO | M | y | 37.28 | -102.61 | 4379.92 |
| TISX | St Croix (Christiansted, Henry E. Rohlsen Airport) | VI | A | n | 17.7 | -64.8 | 43.963 |
| KDXZ | St George Municipal Airport | UT | M | y | 37.0364 | -113.51 | 2884 |
| PAMK | St Michael Airport | AK | K | y | 63.4901 | -162.11 | 0 |
| TIST | St Thomas-Charlotte Amalie/CyrilE King Int Airport | VI | A | n | 18.33 | -64.97 | 20.013 |
| KSGJ | St. Augustine Airport | FL | E | y | 29.97 | -81.33 | 9.843 |
| KSET | St. Charles County Smartt Airport | MO | C | y | 38.931 | -90.433 | 436.352 |
| KPHN | St. Clair County International | MI | E | y | 42.92 | -82.53 | 649.606 |
| KSTC | St. Cloud Regional Airport | MN | C | y | 45.55 | -94.07 | 1021 |
| TNCE | St. Eustatius/F.D.Roosevelt | PR | A | n | 17.483 | -62.983 | 131.234 |
| PAPB | St. George Airport | AK | K | y | 56.35 | -169.4 | 124.672 |
| KJYG | St. James Municipal Airport | MN | C | y | 43.99 | -94.56 | 1066.27 |
| KSJN | St. Johns Air Park | AZ | M | n | 34.52 | -109.38 | 5731.63 |
| TNCM | St. Maarten/Princess Juliana | PR | A | n | 18.033 | -63.117 | 13.123 |
| PASM | St. Marys Airport | AK | K | y | 62.07 | -163.3 | 311.68 |
| KSTP | St. Paul Downtown Holman Field | MN | C | y | 44.94 | -93.05 | 721.129 |
| PASN | St. Paul Is. | AK | K | y | 57.15 | -170.22 | 21.982 |
| KPIE | St. Petersburg / Clea | FL | E | y | 27.91 | -82.69 | 9.843 |
| KSPG | St. Petersburg, Whitted Airport | FL | E | y | 27.77 | -82.63 | 7.874 |
| KRMN | Stafford Regional Airport | VA | E | y | 38.4 | -77.45 | 213.255 |
| KSMP | Stampede Pass(amos) | WA | P | y | 47.29 | -121.33 | 3958 |
| KSNT | Stanley Ranger Station | ID | M | y | 44.17 | -114.93 | 6496.06 |
| KSYN | Stanton Airfield | MN | C | y | 44.467 | -93.017 | 918.635 |
| KSAZ | Staples Municipal Airport | MN | C | y | 46.38 | -94.81 | 1286.09 |
| KOXI | Starke County Airport | IN | E | y | 41.33 | -86.664 | 685 |
| KUNV | State College | PA | E | y | 40.86 | -77.83 | 1240.16 |
| KTBR | Statesboro-Bulloch County Airport | GA | E | y | 32.482 | -81.737 | 187.008 |
| KSVH | Statesville Municipal Airport | NC | E | y | 35.76 | -80.96 | 964.567 |
| KSHD | Staunton / Shenandoah | VA | E | y | 38.28 | -78.85 | 1200.79 |
| KSBS | Steamboat Springs | CO | M | y | 40.48 | -106.82 | 7050.52 |
| KBKD | Stephens County Airport | TX | C | y | 32.719 | -98.891 | 1284 |
| KSEP | Stephenville / Clark Field Municipal Airport | TX | C | y | 32.215 | -98.178 | 1308.07 |
| KSTK | Sterling Municipal Airport | CO | M | y | 40.6153 | -103.265 | 4040 |
| KSQI | Sterling Rock Falls | IL | C | y | 41.75 | -89.67 | 646.325 |
| KPSO | Stevens Field Airport | CO | M | Y | 37.24 | -107.03 | 7664 |
| KSTE | Stevens Point Municipal Airport | WI | C | y | 44.55 | -89.53 | 1108.92 |
| KSWO | Stillwater Regional Airport | OK | C | y | 36.16 | -97.09 | 1010.5 |
| KSCK | Stockton Metro | CA | P | y | 37.91 | -121.25 | 21.982 |
| KSLB | Storm Lake | IA | C | y | 42.6 | -95.23 | 1489.5 |
| KDVK | Stuart Powell Field Airport | KY | E | Y | 37.5779 | -84.7697 | 1022 |
| KSUA | Stuart, Witham Field Airport | FL | E | y | 27.182 | -80.221 | 19.685 |
| KSUE | Sturgeon Bay | WI | C | y | 44.84 | -87.37 | 725.066 |
| KIRS | Sturgis, Kirsch Municipal Airport | MI | E | y | 41.81 | -85.44 | 925.197 |
| KSGT | Stuttgart Automatic Weather Observing / Reporting | AR | C | y | 34.61 | -91.57 | 223.097 |
| KSFQ | Suffolk Municipal Airport | VA | E | y | 36.68 | -76.6 | 72.178 |
| KSLR | Sulphur Springs Municipal Airport | TX | C | y | 33.167 | -95.617 | 488.845 |
| KDYB | Summerville Airport | SC | E | Y | 33.0634 | -80.2793 | 56 |
| K5SM | Sunlight | CO | M | y | 39.417 | -107.367 | 10603.7 |
| KSUW | Superior, Richard I. Bong Airport | WI | C | y | 46.69 | -92.095 | 675.853 |
| KFWN | Sussex Airport | NJ | E | y | 41.21 | -74.63 | 419.948 |
| PAJV | Sutton | AK | K | y | 61.72 | -148.89 | 869.423 |
| KSWW | Sweetwater | TX | C | y | 32.47 | -100.47 | 2385.17 |
| KSYR | Syracuse Hancock International Airport | NY | E | y | 43.12 | -76.12 | 403.871 |
| KT43 | T P McCampbell Airport | TX | C | y | 27.91 | -97.21 | |
| KTFP | T P McCampbell Airport | TX | C | y | 27.91 | -97.21 | |
| T003 | T003 Ob Site | | A | n | 0 | 0 | |
| KTIW | Tacoma Narrows | WA | P | y | 47.28 | -122.58 | 298.556 |
| NTAA | Tahiti-Faaa | PF | H | n | -17.55 | -149.617 | 9.843 |
| KTQH | Tahlequah Municipal Airport | OK | C | y | 35.93 | -95 | 872.703 |
| PATK | Talkeetna | AK | K | y | 62.3 | -150.1 | 345.144 |
| KTLH | Tallahassee Regional Airport | FL | E | y | 30.4 | -84.35 | 68.898 |
| KTPA | Tampa International Airport | FL | E | y | 27.97 | -82.53 | 9.843 |
| PATA | Tanana, Calhoun Memorial Airport | AK | K | y | 65.17 | -152.1 | 231.955 |
| KSKX | Taos Muni Apt(awos) | NM | M | y | 36.46 | -105.67 | 7089.9 |
| KXSA | Tappahannock-Essex County Airport | VA | E | y | 37.8596 | -76.8941 | 135 |
| NGTA | Tarawa | KB | G | n | 1.35 | 172.917 | 13.123 |
| KETC | Tarboro-Edgecombe Airport | NC | E | y | 35.9373 | -77.5465 | 53 |
| PATL | Tatalina LRRS Airport | AK | K | y | 62.8944 | -155.977 | 0 |
| KTAN | Taunton | MA | E | y | 41.89 | -71.02 | 42.651 |
| KTAZ | Taylorville Municipal Airport | IL | C | y | 39.53 | -89.33 | 623.36 |
| KTSP | Tehachapi Municipal Airport | CA | P | y | 35.135 | -118.439 | 4001 |
| KTQE | Tekamah Municipal Airport | NE | C | y | 41.71 | -96.1 | 1023.62 |
| KTEX | Telluride Regional | CO | M | y | 37.94 | -107.77 | 9084.65 |
| KTPL | Temple / Miller Automatic Weather Observing/Report | TX | C | y | 31.15 | -97.42 | 698.819 |
| KHUF | Terre Haute International Airport | IN | E | y | 39.46 | -87.3 | 575.131 |
| KTRL | Terrell Municipal Airport | TX | C | y | 32.71 | -96.27 | 472.441 |
| KTEB | Teterboro Airport | NJ | E | y | 40.86 | -74.05 | 9.843 |
| KTXK | Texarkana Regional-Webb Field | AR | C | y | 33.46 | -94 | 360.892 |
| KGNA | The Bay of Grand Marais | MN | C | y | 47.75 | -90.34 | 610.236 |
| KDLS | The Dalles Muni | OR | P | y | 45.62 | -121.15 | 240.157 |
| KVVG | The Villages | FL | E | y | 28.962 | -81.97 | 88.583 |
| KTRM | Thermal Airport | CA | P | y | 33.64 | -116.17 | -111.877 |
| KTVF | Thief River Automatic Weather Observing/Reporting | MN | C | y | 48.08 | -96.18 | 1115.49 |
| KTIF | Thomas County Airport | NE | C | y | 41.962 | -100.569 | 2926.51 |
| KOJA | Thomas P Stafford Airport | OK | C | y | 35.5448 | -98.6685 | 1605 |
| KOPN | Thomaston-Upson County Airport | GA | E | y | 32.955 | -84.263 | 797.244 |
| K3TH | Thompson Falls | MT | M | y | 47.6 | -115.367 | 2378.61 |
| KHQU | Thomson-McDuffie County Airport | GA | E | y | 33.53 | -82.516 | 498.688 |
| KHAI | Three Rivers Municipal Dr Haines Airport | MI | C | y | 41.959 | -85.59 | 824.147 |
| KS47 | Tillamook Municipal Airport | OR | P | y | 45.417 | -123.817 | 36.089 |
| PATC | Tin City Airways Facilities Sector | AK | K | y | 65.57 | -167.92 | 272.31 |
| KTIK | Tinker Air Force Base | OK | C | y | 35.417 | -97.383 | 1259.84 |
| KTIX | Titusville | FL | E | y | 28.52 | -80.8 | 36.089 |
| TNMC | TNMC Ob Site | | A | n | 0 | 0 | |
| K14Y | Todd Field Airport - Long Prairie, MN | MN | C | Y | 45.8983 | -94.8739 | 1333 |
| PATG | Togiak Airport | AK | K | y | 59.05 | -160.41 | 19.685 |
| PAOO | Toksook Bay Airport | AK | K | y | 60.5414 | -165.087 | 0 |
| KTOL | Toledo Express Airport | OH | E | y | 41.61 | -83.8 | 668.963 |
| KDUH | Toledo Suburban Airport | MI | E | y | 41.73 | -83.65 | 669.291 |
| KTDZ | Toledo, Metcalf Field | OH | E | y | 41.56 | -83.48 | 620.079 |
| KTDO | Toledo-Winlock Mem | WA | P | y | 46.48 | -122.8 | 370.735 |
| KTKV | Tomahawk Regional Airport | WI | C | y | 45.469 | -89.806 | 1486.22 |
| KTPH | Tonopah Airport | NV | P | y | 38.0603 | -117.087 | 5430.12 |
| KBJN | Tonopah Range #74 Nellis AFB | NV | P | y | 37.617 | -116.25 | 5761.15 |
| KT62 | Tooele | UT | M | y | 40.317 | -112.3 | 5341.21 |
| KFOE | Topeka, Forbes Field | KS | C | y | 38.96 | -95.67 | 1063.98 |
| KTOP | Topeka, Philip Billard Municipal Airport | KS | C | y | 39.08 | -95.62 | 883.858 |
| KTOA | Torrance Municipal | CA | P | y | 33.8 | -118.33 | 104.987 |
| K4SL | Torreon | NM | M | y | 36.03 | -106.95 | 6909.45 |
| KTOR | Torrington Muni | WY | M | y | 42.06 | -104.15 | 4202.76 |
| KTKC | Tracy Municipal Airport | MN | C | y | 44.249 | -95.607 | 1338.58 |
| KTVC | Traverse City, Cherry Capital Airport | MI | E | y | 44.73 | -85.58 | 618.11 |
| KSUU | Travis AFB/Fairfield | CA | P | y | 38.28 | -121.93 | 68.898 |
| KTTN | Trenton, Mercer County Airport | NJ | E | y | 40.29 | -74.82 | 212.927 |
| KTRI | Tri-Cities Airport | TN | E | y | 36.48 | -82.4 | 1500 |
| KSFY | Tri-Township Airport | IL | C | y | 42.05 | -90.1 | 616.798 |
| KTAD | Trinidad/Animas Co. | CO | M | y | 37.26 | -104.33 | 5745.08 |
| KVLL | Troy | MI | E | y | 42.543 | -83.178 | 728.346 |
| K7D2 | Troy | MI | C | y | 42.55 | -83.183 | 728.346 |
| KTOI | Troy Municipal Airport | AL | C | y | 31.86 | -86.01 | 394.029 |
| KTRK | Truckee-Tahoe | CA | P | y | 39.33 | -120.13 | 5898.95 |
| KTCS | Truth Or Consequenc | NM | M | y | 33.23 | -107.27 | 4850.07 |
| KTUS | Tucson Intl Airport | AZ | M | n | 32.12 | -110.93 | 2548.89 |
| KTCC | Tucumcari Municipal | NM | M | y | 35.19 | -103.6 | 4050.85 |
| KTUL | Tulsa International Airport | OK | C | y | 36.2 | -95.88 | 649.934 |
| KRVS | Tulsa, Jones Jr. Airport | OK | C | y | 36.04 | -95.98 | 633.202 |
| KM97 | Tunica Municipal Airport | MS | C | y | 34.683 | -90.333 | 193.57 |
| KUTA | Tunica Municipal Airport | MS | C | y | 34.6831 | -90.3472 | 194 |
| KTUP | Tupelo Regional Airport | MS | C | y | 34.28 | -88.77 | 360.892 |
| KTCL | Tuscaloosa Regional Airport | AL | C | y | 33.23 | -87.62 | 186.024 |
| KTMH | Twenty Mile Hill | WY | M | y | 43.12 | -106.33 | |
| KNXP | Twentynine Palms | CA | P | y | 34.3 | -116.17 | 33.136 |
| KTWF | Twin Falls/Joslin | ID | M | y | 42.48 | -114.48 | 4255.25 |
| KTWM | Two Harbors | MN | C | y | 47.05 | -91.75 | 1076.11 |
| KTYR | Tyler Pounds Field | TX | C | y | 32.35 | -95.4 | 533.136 |
| KPAM | Tyndall Air Force Base | FL | C | y | 30.07 | -85.59 | 22.966 |
| KUKI | Ukiah Muni (awos) | CA | P | y | 39.14 | -123.2 | 619.094 |
| PAUN | Unalakleet | AK | K | y | 63.89 | -160.81 | 15.092 |
| PADU | Unalaska | AK | K | y | 53.89 | -166.53 | 13.123 |
| KUCA | Utica, Oneida County Airport | NY | E | y | 43.16 | -75.38 | 711.942 |
| PAVD | Valdez 2 | AK | K | y | 61.13 | -146.25 | 124.672 |
| PAVW | Valdez Weather Station Office | AK | K | y | 61.13 | -146.35 | 22.966 |
| KVLD | Valdosta Regional Airport | GA | E | y | 30.79 | -83.28 | 200.131 |
| KVTN | Valentine, Miller Field | NE | C | y | 42.86 | -100.55 | 2589.9 |
| KVPS | Valparaiso / Eglin Air Force Base | FL | C | y | 30.48 | -86.53 | 65.945 |
| KVPZ | Valparaiso, Porter County Municipal Airport | IN | C | y | 41.45 | -87.01 | 790.682 |
| KVNY | Van Nuys Airport | CA | P | y | 34.21 | -118.49 | 770.013 |
| KEND | Vance Air Force Base / Enid | OK | C | y | 36.333 | -97.917 | 1338.58 |
| KLMO | Vance Brand Airport | CO | M | y | 40.1643 | -105.164 | 5055 |
| KVBG | Vandenberg AFB | CA | P | y | 34.73 | -120.55 | 396.982 |
| KVDF | Vandenberg Airport | FL | E | y | 28.01 | -82.35 | 22.966 |
| KXVW | Vandenberg Range | CA | P | y | 34.717 | -120.567 | 328.084 |
| NFTV | Vavu International | TO | T | n | -18.583 | -173.95 | 242.782 |
| TAPA | Vc Bird Intl Airport Antigua | AG | A | n | 17.117 | -61.783 | 32.808 |
| KVDW | Vedauwoo | WY | M | y | 41.15 | -105.4 | 8343.18 |
| KVNP | VERMILLION 26 | | C | Y | 29.467 | 92.369 | 0 |
| KVEL | Vernal | UT | M | y | 40.44 | -109.51 | 5275.59 |
| KF05 | Vernon | TX | C | y | 34.226 | -99.284 | 1266.4 |
| KVRB | Vero Beach Municipal Airport | FL | E | y | 27.65 | -80.42 | 23.95 |
| KTVR | Vicksburg / Tallulah Regional Airport | LA | C | y | 32.35 | -91.03 | 75.459 |
| KVCT | Victoria Regional Airport | TX | C | y | 28.86 | -96.92 | 115.157 |
| KVDI | Vidalia Municipal Airport | GA | E | y | 32.193 | -82.372 | 275.591 |
| TLPC | Vigie | LC | A | n | 14.017 | -61 | 6.562 |
| KVTI | Vinton Veterans Mem Airpark Airport | IA | C | y | 42.219 | -92.026 | 846.457 |
| KNTU | Virginia Beach, Oceana, Naval Air Station | VA | E | y | 36.83 | -76.03 | 25.919 |
| KBCB | Virginia Tech Airport | VA | E | y | 37.208 | -80.408 | 2132.55 |
| KY51 | Viroqua Municipal Airport | WI | C | Y | 43.5794 | -90.8965 | 1292 |
| KVIS | Visalia Muni | CA | P | y | 36.33 | -119.4 | 291.995 |
| KVOK | Volk / Camp Douglas | WI | C | y | 43.933 | -90.267 | 918.963 |
| KDBN | W H `Bud` Barron Airport | GA | E | y | 32.567 | -82.983 | 308.399 |
| KACT | Waco Regional Airport | TX | C | y | 31.62 | -97.22 | 577.1 |
| KADC | Wadena Municipal Airport | MN | C | y | 46.447 | -95.212 | 1371.39 |
| KAHQ | Wahoo Municipal Airport | NE | C | y | 41.2406 | -96.5946 | 1224 |
| PAWI | Wainwright Airport | AK | K | y | 70.62 | -159.86 | 88.911 |
| PAFB | Wainwright U. S. Army Airfield | AK | K | y | 64.833 | -147.617 | 465.879 |
| PWAK | Wake Island Airfield | HI | R | n | 19.283 | 166.5 | 13.123 |
| KAKQ | Wakefield Municipal Airport | VA | E | y | 36.99 | -77 | 209.974 |
| K33V | Walden/Jackson County Airport | CO | M | y | 40.75 | -106.271 | 8153 |
| PAIW | Wales Airport | AK | A | y | 65.6226 | -168.095 | 22 |
| KALW | Walla Walla Rgn | WA | P | y | 46.09 | -118.29 | 1147.97 |
| TQPF | Wallblake | VI | A | n | 18.2 | -63.05 | 104.987 |
| KWAL | Wallops Flight Facility Airport | VA | E | y | 37.94 | -75.47 | 134.514 |
| KARG | Walnut Ridge Automatic Weather Observing / Report | AR | C | y | 36.1255 | -90.9216 | 272.31 |
| KRAD | Warroad Automatic Weather Observing/Reporting Sys | MN | C | y | 48.9333 | -95.3333 | |
| KRRT | Warroad International Memorial Airport | MN | C | y | 48.94 | -95.35 | 1072.83 |
| KASW | Warsaw Municipal Airport | IN | E | y | 41.275 | -85.84 | 849.738 |
| KACQ | Waseca Muni Airport | MN | C | y | 44.07 | -93.55 | 1125.33 |
| KAWG | Washington | IA | C | y | 41.28 | -91.67 | 754.593 |
| KAFJ | Washington Automatic Weather Observing / Reporting | PA | E | y | 40.14 | -80.29 | 1184.38 |
| KDCA | Washington DC, Reagan National Airport | VA | E | y | 38.86 | -77.03 | 16.076 |
| KOCW | Washington, Warren Field Airport | NC | E | y | 35.57 | -77.05 | 39.37 |
| KIAD | Washington-Dulles International Airport | VA | E | y | 38.96 | -77.45 | 290.026 |
| KIIY | Washington-Wilkes County Airport | GA | E | y | 33.78 | -82.82 | 646.325 |
| PAWS | Wasilla Airport | AK | K | y | 61.58 | -149.45 | 364.173 |
| KVWU | Waskish Municipal Airport | MN | C | y | 48.15 | -94.52 | 1181.1 |
| KALO | Waterloo Municipal Airport | IA | C | y | 42.55 | -92.4 | 865.157 |
| KRYV | Watertown | WI | C | y | 43.17 | -88.72 | 833.333 |
| KART | Watertown International Airport | NY | E | y | 44.01 | -76.02 | 317.913 |
| KATY | Watertown Municipal Airport | SD | C | y | 44.92 | -97.16 | 1746.06 |
| KWVL | Waterville Automatic Weather Observing / Reporting | ME | E | y | 44.54 | -69.69 | 331.365 |
| KJWG | Watonga Airport | OK | C | y | 35.86 | -98.42 | 1548.56 |
| KUES | Waukesha County Airport | WI | C | y | 43.01 | -88.2 | 931.759 |
| KPCZ | Waupaca Municipal Airport | WI | C | y | 44.333 | -89.02 | 826.772 |
| KAUW | Wausau Downtown Airport | WI | C | y | 44.93 | -89.62 | 1200.13 |
| KY50 | Wautoma Municipal Airport | WI | C | Y | 44.0416 | -89.3045 | 859 |
| KAYS | Waycross / Ware County | GA | E | y | 31.25 | -82.4 | 140.092 |
| KEKQ | Wayne County Airport | KY | E | y | 36.855 | -84.856 | 962.927 |
| KLCG | Wayne Municipal Airport | NE | C | y | 42.242 | -96.981 | 1430.45 |
| KEBS | Webster City | IA | C | y | 42.43 | -93.87 | 1122.05 |
| KNUI | Webster Naval Outlying Field | MD | E | y | 38.1489 | -76.42 | |
| K9BB | Wells | NV | P | y | 41.16 | -114.97 | 5679.13 |
| KELZ | Wellsville Municipal Airport | NY | E | y | 42.1 | -77.983 | 2119.42 |
| KEAT | Wenatchee/Pangborn | WA | P | y | 47.41 | -120.2 | 1243.44 |
| KENV | Wendover (aut) | UT | M | y | 40.73 | -114.03 | 4238.85 |
| KT65 | Weslaco | TX | C | y | 26.167 | -97.967 | 68.898 |
| KETB | West Bend Municipal Airport | WI | C | y | 43.44 | -88.13 | 885.827 |
| KW60 | West Cameron 560 | LA | C | y | 29.15 | -93.35 | 0 |
| KDLP | WEST DELTA | | C | Y | 29.121 | 89.547 | 0 |
| KAWM | West Memphis | AR | C | y | 35.135 | -90.234 | 209.974 |
| KPBI | West Palm Beach, Palm Beach International Airport | FL | E | y | 26.68 | -80.12 | 20.013 |
| KUNO | West Plains Municipal Airport | MO | C | y | 36.88 | -91.9 | 1227.03 |
| PGWT | West Tinian Tinian Is | GU | G | n | 14.97 | 145.6 | 278.871 |
| KWWR | West Woodward | OK | C | y | 36.44 | -99.52 | 2188.32 |
| KWEY | West Yellowstone | MT | M | y | 44.66 | -111.1 | 6663.39 |
| KWYS | West Yellowstone | MT | M | y | 44.683 | -111.117 | 6811.02 |
| KWST | Westerly State Airport | RI | E | y | 41.35 | -71.8 | 78.74 |
| KBAF | Westfield, Barnes Municipal Airport | MA | E | y | 42.16 | -72.72 | 270.997 |
| KFOK | Westhampton Beach, The Gabreski Airport | NY | E | y | 40.84 | -72.63 | 66.929 |
| KARM | Wharton Regional Airport | TX | C | y | 29.25 | -96.117 | 101.706 |
| KETH | Wheaton NDB Automatic Weather Observing/Reporting | MN | C | y | 45.71 | -96.5 | 1026.9 |
| PHHI | Wheeler Army Airfield | HI | H | n | 21.48 | -158.03 | 827.1 |
| KHLG | Wheeling Ohio County Airport | WV | E | y | 40.17 | -80.65 | 1179.13 |
| KNUW | Whidbey Island Nas | WA | P | y | 48.36 | -122.65 | 33.136 |
| KHPN | White Plains, Westchester County Airport | NY | E | y | 41.08 | -73.72 | 399.934 |
| KHIE | Whitefield, Mount Washington Regional Airport | NH | E | y | 44.36 | -71.53 | 1072.83 |
| KSZL | Whiteman Air Force Base | MO | C | y | 38.733 | -93.567 | 836.942 |
| KWTR | Whiteriver Airport | AZ | M | n | 41.4 | -104.867 | 6194.23 |
| KCPC | Whiteville-Columbus Co Muni Airport | NC | E | y | 34.28 | -78.71 | 98.425 |
| PAWR | Whittier | AK | K | y | 60.77 | -148.69 | 29.528 |
| KAAO | Wichita Colonel James Jabara Airport | KS | C | y | 37.75 | -97.22 | 1420.6 |
| KSPS | Wichita Falls, Sheppard Air Force Base | TX | C | y | 33.98 | -98.48 | 1026.9 |
| KICT | Wichita Mid-Continent Airport | KS | C | y | 37.66 | -97.43 | 1319.88 |
| KAWH | Wildhorse Res/Elko | NV | P | y | 41.67 | -115.79 | 6240.16 |
| KWWD | Wildwood Automatic Weather Observing / Reporting | NJ | E | y | 39.01 | -74.9 | 22.966 |
| K4BM | Wilkerson Pass | CO | M | y | 39.05 | -105.514 | 11279.5 |
| KAVP | Wilkes-Barre / Scranton Intl Airport | PA | E | y | 41.33 | -75.73 | 930.118 |
| KIWA | Williams AFB/Chandl | AZ | M | n | 33.3 | -111.67 | 1352.03 |
| KCKI | Williamsburg Regional Airport | SC | E | y | 33.7172 | -79.857 | 67 |
| KJGG | Williamsburg-Jamestown Airport | VA | E | y | 37.233 | -76.717 | 49.213 |
| KIPT | Williamsport-Lycoming County Airport | PA | E | y | 41.26 | -76.92 | 520.013 |
| KIJD | Willimantic, Windham Airport | CT | E | y | 41.75 | -72.18 | 249.344 |
| KISN | Williston, Sloulin Field International Airport | ND | C | y | 48.16 | -103.6 | 1902.89 |
| KILL | Willmar / Rice Automatic Weather Observing/Report | MN | C | y | 45.11 | -95.09 | 1131.89 |
| KBDH | Willmar Municipal Airport | MN | C | y | 45.12 | -95.13 | 1131.89 |
| PAUO | Willow Airport | AK | K | y | 61.76 | -150.06 | 226.378 |
| KNXX | Willow Grove, Naval Air Station | PA | E | y | 40.19 | -75.13 | 334.974 |
| KILN | Wilmington, Airborne Airpark Airport | OH | E | y | 39.43 | -83.8 | 1077.1 |
| KILG | Wilmington, New Castle County Airport | DE | E | y | 39.68 | -75.6 | 74.147 |
| KILM | Wilmington, New Hanover International Airport | NC | E | y | 34.28 | -77.92 | 45.932 |
| KOKV | Winchester Regional | VA | E | y | 39.15 | -78.15 | 728.346 |
| KWDR | Winder-Barrow Airport | GA | E | y | 33.982 | -83.668 | 941.601 |
| KMWM | Windom Municipal Airport | MN | C | y | 43.91 | -95.11 | 1345.14 |
| KRQE | Window Rock (was P34) | AZ | M | n | 35.657 | -109.061 | 6738.85 |
| KBDL | Windsor Locks, Bradley International Airport | CT | E | y | 41.94 | -72.68 | 160.105 |
| KWLD | Winfield / Arkansas City, Strother Field | KS | C | y | 37.16 | -97.03 | 1158.14 |
| KLOM | Wings Field Airport | PA | E | y | 40.138 | -75.265 | 301.837 |
| KINK | Winkler County Airport | TX | C | y | 31.79 | -103.2 | 2807.09 |
| KWMC | Winnemucca Muni | NV | P | y | 40.9019 | -117.807 | 4296.92 |
| KICR | Winner Regional Airport | SD | C | y | 43.38 | -99.85 | 2040.68 |
| KONA | Winona Municipal Automatic Weather Observing | MN | C | y | 44.09 | -91.7 | 656.168 |
| KINW | Winslow (aut) | AZ | M | n | 35.03 | -110.73 | 4881.89 |
| KSNK | Winston Field Airport | TX | C | y | 32.693 | -100.95 | 2431.1 |
| KINT | Winston Salem, Smith Reynolds Airport | NC | E | y | 36.13 | -80.22 | 970.144 |
| KIWI | Wiscasset Airport | ME | E | y | 43.95 | -69.7 | 68.898 |
| KISW | Wisconsin Rapids, Alexander Field So. Wood County | WI | C | y | 44.36 | -89.83 | 1010.5 |
| KLNP | Wise / Lonesome Pine | VA | E | y | 36.98 | -82.53 | 2680.45 |
| KCPW | Wolf Creek Pass (11,760 feet) | CO | M | y | 37.464 | -106.804 | 11758.5 |
| KOLF | Wolf Point Intl Airport | MT | M | y | 48.09 | -105.58 | 1984.91 |
| KJDD | Wood County Airport | TX | C | y | 32.742 | -95.496 | 434 |
| KBJJ | Wooster, Wayne County Airport | OH | E | y | 40.87 | -81.89 | 1135.17 |
| KORH | Worcester Regional Airport | MA | E | y | 42.28 | -71.87 | 985.892 |
| KWRL | Worland Municip | WY | M | y | 43.98 | -107.97 | 4245.41 |
| KOTG | Worthington Automatic Weather Observing/Reporting | MN | C | y | 43.66 | -95.58 | 1574.8 |
| PAWG | Wrangell | AK | K | y | 56.48 | -132.37 | 42.651 |
| KYKM | Yakima Air Term | WA | P | y | 46.56 | -120.53 | 1063.98 |
| PAYA | Yakutat | AK | K | y | 59.52 | -139.67 | 88.911 |
| KYKN | Yankton Automatic Weather Observing/Reporting Sys | SD | C | y | 42.92 | -97.38 | 1338.58 |
| PTYA | Yap Intl Airport | FM | G | n | 9.483 | 138.083 | 43.963 |
| KTHV | York Airport | PA | E | y | 39.92 | -76.87 | 472.441 |
| KJYR | York Municipal Airport | NE | C | y | 40.9 | -97.62 | 1669.95 |
| KYNG | Youngstown-Warren Regional Airport | OH | E | y | 41.27 | -80.67 | 1180.12 |
| KYUM | Yuma | AZ | M | n | 32.667 | -114.6 | 206.037 |
| KNYL | Yuma Mcas | AZ | M | n | 32.39 | -114.37 | 212.927 |
| KZZV | Zanesville Municipal Airport | OH | E | y | 39.96 | -81.9 | 879.921 |
| KAPY | Zapata County Airport | TX | C | Y | 26.9688 | -99.2489 | 422 |
| StationNames