Airport codes
πΊπΈ United States airport codes
2,036 airports in United States have an IATA code. ICAO codes here mostly begin with PA, KM, KS.
Major airports
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| IATA | ICAO | Airport | City |
|---|---|---|---|
| AAF | KAAF | Apalachicola Regional AirportApalachicola | Apalachicola |
| ABE | KABE | Lehigh Valley International AirportAllentown/Bethlehem | Allentown/Bethlehem |
| ABI | KABI | Abilene Regional AirportAbilene | Abilene |
| ABL | PAFM | Ambler AirportAmbler | Ambler |
| ABQ | KABQ | Albuquerque International SunportAlbuquerque | Albuquerque |
| ABR | KABR | Aberdeen Regional AirportAberdeen | Aberdeen |
| ABY | KABY | Southwest Georgia Regional AirportAlbany | Albany |
| ACB | KACB | Antrim County AirportBellaire | Bellaire |
| ACK | KACK | Nantucket Memorial AirportNantucket | Nantucket |
| ACT | KACT | Waco Regional AirportWaco | Waco |
| ACV | KACV | California Redwood Coast-Humboldt County AirportArcata/Eureka | Arcata/Eureka |
| ACY | KACY | Atlantic City International AirportAtlantic City | Atlantic City |
| ADG | KADG | Lenawee County AirportAdrian | Adrian |
| ADK | PADK | Adak AirportAdak | Adak |
| ADM | KADM | Ardmore Municipal AirportArdmore | Ardmore |
| ADQ | PADQ | Kodiak AirportKodiak | Kodiak |
| ADR | KPHH | Robert F Swinnie AirportAndrews | Andrews |
| ADS | KADS | Addison AirportDallas | Dallas |
| ADT | KADH | Ada Regional AirportAda | Ada |
| ADW | KADW | Joint Base AndrewsCamp Springs | Camp Springs |
| AEL | KAEL | Albert Lea Municipal AirportAlbert Lea | Albert Lea |
| AET | PFAL | Allakaket AirportAllakaket | Allakaket |
| AEX | KAEX | Alexandria International AirportAlexandria | Alexandria |
| AFF | KAFF | USAF Academy AirfieldColorado Springs | Colorado Springs |
| AFN | KAFN | Jaffrey Airfield Silver Ranch AirportJaffrey | Jaffrey |
| AFO | KAFO | Afton Municipal AirportAfton | Afton |
| AFW | KAFW | Perot Field/Fort Worth Alliance AirportFort Worth | Fort Worth |
| AGC | KAGC | Allegheny County AirportPittsburgh | Pittsburgh |
| AGN | PAGN | Angoon Seaplane BaseAngoon | Angoon |
| AGO | KAGO | Magnolia Municipal Airport / Ralph C Weiser FieldMagnolia | Magnolia |
| AGS | KAGS | Augusta Regional At Bush FieldAugusta | Augusta |
| AHC | KAHC | Amedee Army Air FieldHerlong | Herlong |
| AHD | β | Ardmore Downtown Executive AirportArdmore | Ardmore |
| AHF | β | Arapahoe Municipal AirportArapahoe | Arapahoe |
| AHH | KAHH | Amery Municipal AirportAmery | Amery |
| AHM | β | Ashland Municipal Airport Sumner Parker FieldAshland | Ashland |
| AHN | KAHN | Athens Ben Epps AirportAthens | Athens |
| AIA | KAIA | Alliance Municipal AirportAlliance | Alliance |
| AID | KAID | Anderson Municipal Darlington FieldAnderson | Anderson |
| AIK | KAIK | Aiken Regional AirportAiken | Aiken |
| AIN | PAWI | Wainwright AirportWainwright | Wainwright |
| AIO | KAIO | Atlantic Municipal AirportAtlantic | Atlantic |
| AIV | KAIV | George Downer AirportAliceville | Aliceville |
| AIZ | KAIZ | Lee C Fine Memorial AirportKaiser Lake Ozark | Kaiser Lake Ozark |
| AKB | PAAK | Atka AirportAtka | Atka |
| AKC | KAKR | Akron Fulton International AirportAkron | Akron |
| AKI | PFAK | Akiak AirportAkiak | Akiak |
| AKK | PAKH | Akhiok AirportAkhiok | Akhiok |
| AKN | PAKN | King Salmon AirportKing Salmon | King Salmon |
| AKO | KAKO | Colorado Plains Regional AirportAkron | Akron |
| AKP | PAKP | Anaktuvuk Pass AirportAnaktuvuk Pass | Anaktuvuk Pass |
| ALB | KALB | Albany International AirportAlbany | Albany |
| ALE | β | Alpine Casparis Municipal AirportAlpine | Alpine |
| ALI | KALI | Alice International AirportAlice | Alice |
| ALM | KALM | Alamogordo White Sands Regional AirportAlamogordo | Alamogordo |
| ALN | KALN | St Louis Regional AirportAlton/St Louis | Alton/St Louis |
| ALO | KALO | Waterloo Regional AirportWaterloo | Waterloo |
| ALS | KALS | San Luis Valley Regional Airport/Bergman FieldAlamosa | Alamosa |
| ALW | KALW | Walla Walla Regional AirportWalla Walla | Walla Walla |
| ALX | KALX | Thomas C Russell FieldAlexander City | Alexander City |
| ALZ | β | Alitak Seaplane BaseLazy Bay | Lazy Bay |
| AMA | KAMA | Rick Husband Amarillo International AirportAmarillo | Amarillo |
| AMK | β | Animas Air ParkDurango | Durango |
| AMN | KAMN | Gratiot Community AirportAlma | Alma |
| AMW | KAMW | Ames Municipal AirportAmes | Ames |
| ANB | KANB | Anniston Regional AirportAnniston | Anniston |
| ANC | PANC | Ted Stevens Anchorage International AirportAnchorage | Anchorage |
| AND | KAND | Anderson Regional AirportAnderson | Anderson |
| ANI | PANI | Aniak AirportAniak | Aniak |
| ANN | PANT | Annette Island AirportMetlakatla | Metlakatla |
| ANP | KANP | Lee AirportAnnapolis | Annapolis |
| ANQ | KANQ | Tri State Steuben County AirportAngola | Angola |
| ANV | PANV | Anvik AirportAnvik | Anvik |
| ANW | KANW | Ainsworth Regional AirportAinsworth | Ainsworth |
| ANY | KANY | Anthony Municipal AirportAnthony | Anthony |
| AOH | KAOH | Lima Allen County AirportLima | Lima |
| AOO | KAOO | Altoona Blair County AirportAltoona | Altoona |
| AOS | β | Amook Bay Seaplane BaseAmook Bay | Amook Bay |
| APA | KAPA | Centennial AirportDenver | Denver |
| APC | KAPC | Napa County AirportNapa | Napa |
| APF | KAPF | Naples Municipal AirportNaples | Naples |
| APG | KAPG | Phillips Army Air FieldAberdeen | Aberdeen |
| APH | KAPH | Mary Walker LZ AirportBowling Green | Bowling Green |
| APN | KAPN | Alpena County Regional AirportAlpena | Alpena |
| APT | KAPT | Marion County Airport - Brown FieldJasper | Jasper |
| APV | KAPV | Apple Valley AirportApple Valley | Apple Valley |
| AQY | β | Girdwood-Alyeska AirportGirdwood | Girdwood |
| ARA | KARA | Acadiana Regional AirportNew Iberia | New Iberia |
| ARB | KARB | Ann Arbor Municipal AirportAnn Arbor | Ann Arbor |
| ARC | PARC | Arctic Village AirportArctic Village | Arctic Village |
| ARG | KARG | Walnut Ridge Regional AirportWalnut Ridge | Walnut Ridge |
| ART | KART | Watertown International AirportWatertown | Watertown |
| ARV | KARV | Lakeland Airport Noble F Lee Memorial FieldWoodruff | Woodruff |
| ASE | KASE | Aspen-Pitkin County Airport (Sardy Field)Aspen | Aspen |
| ASH | KASH | Nashua Airport / Boire FieldNashua | Nashua |
| ASL | KASL | Harrison County AirportMarshall | Marshall |
| ASN | KASN | Talladega Municipal AirportTalladega | Talladega |
| ASQ | β | Austin AirportAustin | Austin |
| AST | KAST | Astoria Regional AirportAstoria | Astoria |
| ASX | KASX | John F Kennedy Memorial AirportAshland | Ashland |
| ASY | KASY | Ashley Municipal AirportAshley | Ashley |
| ATE | β | Antlers Municipal AirportAntlers | Antlers |
| ATK | PATQ | Atqasuk Edward Burnell Sr Memorial AirportAtqasuk | Atqasuk |
| ATL | KATL | Hartsfield Jackson Atlanta International AirportAtlanta | Atlanta |
| ATO | KUNI | Ohio University AirportAlbany | Albany |
| ATS | KATS | Artesia Municipal AirportArtesia | Artesia |
| ATT | β | Atmautluak AirportAtmautluak | Atmautluak |
| ATU | PAAT | Casco Cove Coast Guard StationAttu | Attu |
| ATW | KATW | Appleton International AirportAppleton | Appleton |
| ATY | KATY | Watertown Regional AirportWatertown | Watertown |
| AUG | KAUG | Augusta State AirportAugusta | Augusta |
| AUK | PAUK | Alakanuk AirportAlakanuk | Alakanuk |
| AUM | KAUM | Austin Municipal AirportAustin | Austin |
| AUN | KAUN | Auburn Municipal AirportAuburn | Auburn |
| AUO | KAUO | Auburn University Regional AirportAuburn | Auburn |
| AUS | KAUS | Austin Bergstrom International AirportAustin | Austin |
| AUW | KAUW | Wausau Downtown AirportWausau | Wausau |
| AUZ | KARR | Aurora Municipal AirportChicago/Aurora | Chicago/Aurora |
| AVL | KAVL | Asheville Regional AirportAsheville | Asheville |
| AVO | KAVO | Avon Park Executive AirportAvon Park | Avon Park |
| AVP | KAVP | Wilkes-Barre/Scranton International AirportWilkes-Barre/Scranton | Wilkes-Barre/Scranton |
| AVW | KAVQ | Marana Regional AirportMarana | Marana |
| AVX | KAVX | Catalina AirportAvalon | Avalon |
| AWM | KAWM | West Memphis Municipal AirportWest Memphis | West Memphis |
| AXB | β | Maxson AirfieldAlexandria Bay | Alexandria Bay |
| AXG | KAXA | Algona Municipal AirportAlgona | Algona |
| AXN | KAXN | Chandler FieldAlexandria | Alexandria |
| AXS | KAXS | Altus Quartz Mountain Regional AirportAltus | Altus |
| AXV | KAXV | Neil Armstrong AirportWapakoneta | Wapakoneta |
| AXX | KAXX | Angel Fire AirportAngel Fire | Angel Fire |
| AYS | KAYS | Waycross Ware County AirportWaycross | Waycross |
| AZA | KIWA | Mesa Gateway AirportMesa | Mesa |
| AZO | KAZO | Kalamazoo/Battle Creek International AirportKalamazoo | Kalamazoo |
| BAB | KBAB | Beale Air Force BaseBeale Air Force Base | Beale Air Force Base |
| BAD | KBAD | Barksdale Air Force BaseBossier City | Bossier City |
| BAF | KBAF | Westfield-Barnes Regional AirportWestfield | Westfield |
| BAM | KBAM | Battle Mountain AirportBattle Mountain | Battle Mountain |
| BBB | KBBB | Benson Municipal AirportBenson | Benson |
| BBC | KBYY | Bay City Regional AirportBay City | Bay City |
| BBD | KBBD | Curtis FieldBrady | Brady |
| BBW | KBBW | Broken Bow Municipal AirportBroken Bow | Broken Bow |
| BBX | KLOM | Wings FieldPhiladelphia | Philadelphia |
| BCB | KBCB | Virginia Tech Montgomery Executive AirportBlacksburg | Blacksburg |
| BCC | β | Bear Creek 3 AirportBear Creek | Bear Creek |
| BCE | KBCE | Bryce Canyon AirportBryce Canyon | Bryce Canyon |
| BCS | β | Southern Seaplane AirportBelle Chasse | Belle Chasse |
| BCT | KBCT | Boca Raton AirportBoca Raton | Boca Raton |
| BDE | KBDE | Baudette International AirportBaudette | Baudette |
| BDF | β | Rinkenberger Restricted Landing AreaBradford | Bradford |
| BDG | KBDG | Blanding Municipal AirportBlanding | Blanding |
| BDL | KBDL | Bradley International AirportHartford | Hartford |
| BDR | KBDR | Igor I Sikorsky Memorial AirportBridgeport | Bridgeport |
| BDX | β | Broadus AirportBroadus | Broadus |
| BDY | β | Bandon State AirportBandon | Bandon |
| BEC | KBEC | Beech Factory AirportWichita | Wichita |
| BED | KBED | Laurence G Hanscom FieldBedford | Bedford |
| BEH | KBEH | Southwest Michigan Regional AirportBenton Harbor | Benton Harbor |
| BET | PABE | Bethel AirportBethel | Bethel |
| BFD | KBFD | Bradford Regional AirportBradford | Bradford |
| BFF | KBFF | Western Neb. Rgnl/William B. Heilig AirportScottsbluff | Scottsbluff |
| BFG | β | Bullfrog Basin AirportBullfrog | Bullfrog |
| BFI | KBFI | King County International Airport - Boeing FieldSeattle | Seattle |
| BFK | KBKF | Buckley Space Force BaseAurora | Aurora |
| BFL | KBFL | Meadows FieldBakersfield | Bakersfield |
| BFM | KBFM | Mobile Downtown AirportMobile | Mobile |
| BFP | KBVI | Beaver County AirportBeaver Falls | Beaver Falls |
| BFR | KBFR | Virgil I Grissom Municipal AirportBedford | Bedford |
| BFT | KARW | Beaufort Executive AirportBeaufort | Beaufort |
| BGD | KBGD | Hutchinson County AirportBorger | Borger |
| BGE | KBGE | Decatur County Industrial Air ParkBainbridge | Bainbridge |
| BGM | KBGM | Greater Binghamton/Edwin A Link fieldBinghamton | Binghamton |
| BGQ | PAGQ | Big Lake AirportBig Lake | Big Lake |
| BGR | KBGR | Bangor International AirportBangor | Bangor |
| BGT | β | Bagdad AirportBagdad | Bagdad |
| BHB | KBHB | Hancock County-Bar Harbor AirportBar Harbor | Bar Harbor |
| BHM | KBHM | Birmingham-Shuttlesworth International AirportBirmingham | Birmingham |
| BID | KBID | Block Island State AirportBlock Island | Block Island |
| BIE | KBIE | Beatrice Municipal AirportBeatrice | Beatrice |
| BIF | KBIF | Biggs Army Air Field (Fort Bliss)Fort Bliss/El Paso | Fort Bliss/El Paso |
| BIG | PABI | Allen Army AirfieldDelta Junction Ft Greely | Delta Junction Ft Greely |
| BIH | KBIH | Eastern Sierra Regional AirportBishop | Bishop |
| BIL | KBIL | Billings Logan International AirportBillings | Billings |
| BIS | KBIS | Bismarck Municipal AirportBismarck | Bismarck |
| BIX | KBIX | Keesler Air Force BaseBiloxi | Biloxi |
| BJC | KBJC | Rocky Mountain Metropolitan AirportDenver | Denver |
| BJI | KBJI | Bemidji Regional AirportBemidji | Bemidji |
| BJJ | KBJJ | Wayne County AirportWooster | Wooster |
| BKC | PABL | Buckland AirportBuckland | Buckland |
| BKD | KBKD | Stephens County AirportBreckenridge | Breckenridge |
| BKE | KBKE | Baker City Municipal AirportBaker City | Baker City |
| BKF | β | Lake Brooks Seaplane BaseKatmai National Park | Katmai National Park |
| BKG | KBBG | Branson AirportBranson | Branson |
| BKH | PHBK | Barking Sands AirportKekaha | Kekaha |
| BKL | KBKL | Burke Lakefront AirportCleveland | Cleveland |
| BKT | KBKT | Allen C Perkinson Blackstone Army Air FieldBlackstone | Blackstone |
| BKW | KBKW | Raleigh County Memorial AirportBeaver | Beaver |
| BKX | KBKX | Brookings Regional AirportBrookings | Brookings |
| BLD | KBVU | Boulder City Municipal AirportBoulder City | Boulder City |
| BLF | KBLF | Mercer County AirportBluefield | Bluefield |
| BLH | KBLH | Blythe AirportBlythe | Blythe |
| BLI | KBLI | Bellingham International AirportBellingham | Bellingham |
| BLM | KBLM | Monmouth Executive AirportBelmar/Farmingdale | Belmar/Farmingdale |
| BLU | KBLU | Blue Canyon Nyack AirportEmigrant Gap | Emigrant Gap |
| BLV | KBLV | Scott AFB/Midamerica AirportBelleville | Belleville |
| BMC | KBMC | Brigham City Regional AirportBrigham City | Brigham City |
| BMG | KBMG | Monroe County AirportBloomington | Bloomington |
| BMI | KBMI | Central Illinois Regional Airport at Bloomington-NormalBloomington/Normal | Bloomington/Normal |
| BML | KBML | Berlin Regional AirportBerlin | Berlin |
| BMT | KBMT | Beaumont Municipal AirportBeaumont | Beaumont |
| BMX | PABM | Big Mountain AirportBig Mountain | Big Mountain |
| BNA | KBNA | Nashville International AirportNashville | Nashville |
| BNF | β | Baranof Warm Springs Float and Seaplane BaseBaranof | Baranof |
| BNG | KBNG | Banning Municipal AirportBanning | Banning |
| BNH | β | Cape Air Seaplanes on Boston Harbor Seaplane BaseBoston | Boston |
| BNL | KBNL | Barnwell Regional AirportBarnwell | Barnwell |
| BNO | KBNO | Burns Municipal AirportBurns | Burns |
| BNW | KBNW | Boone Municipal AirportBoone | Boone |
| BOI | KBOI | Boise Air Terminal/Gowen FieldBoise | Boise |
| BOK | KBOK | Brookings AirportBrookings | Brookings |
| BOS | KBOS | Boston Logan International AirportBoston | Boston |
| BOW | KBOW | Bartow Executive AirportBartow | Bartow |
| BPI | KBPI | Miley Memorial FieldBig Piney | Big Piney |
| BPT | KBPT | Jack Brooks Regional AirportBeaumont/Port Arthur | Beaumont/Port Arthur |
| BQK | KBQK | Brunswick Golden Isles AirportBrunswick | Brunswick |
| BQV | β | Bartlett Cove Seaplane BaseGustavus | Gustavus |
| BRD | KBRD | Brainerd Lakes Regional AirportBrainerd | Brainerd |
| BRL | KBRL | Southeast Iowa Regional AirportBurlington | Burlington |
| BRO | KBRO | Brownsville South Padre Island International AirportBrownsville | Brownsville |
| BRW | PABR | Wiley Post Will Rogers Memorial AirportUtqiaΔ‘vik | UtqiaΔ‘vik |
| BRY | KBRY | Samuels FieldBardstown | Bardstown |
| BSF | PHSF | Bradshaw Army AirfieldWaimea (Kamuela) | Waimea (Kamuela) |
| BSQ | β | Bisbee Municipal AirportBisbee | Bisbee |
| BSW | β | Boswell Bay AirportBoswell Bay | Boswell Bay |
| BTF | KBTF | Skypark AirportBountiful | Bountiful |
| BTI | PABA | Barter Island Long Range Radar Station AirportBarter Island | Barter Island |
| BTL | KBTL | Battle Creek Executive Airport at Kellogg FieldBattle Creek | Battle Creek |
| BTM | KBTM | Bert Mooney AirportButte | Butte |
| BTN | KBBP | Marlboro County Jetport - H E Avent Field AirportBennettsville | Bennettsville |
| BTP | KBTP | Pittsburgh/Butler Regional AirportButler | Butler |
| BTR | KBTR | Baton Rouge Metropolitan AirportBaton Rouge | Baton Rouge |
| BTT | PABT | Bettles AirportBettles | Bettles |
| BTV | KBTV | Patrick Leahy Burlington International AirportBurlington | Burlington |
| BTY | KBTY | Beatty AirportBeatty | Beatty |
| BUB | KBUB | Cram FieldBurwell | Burwell |
| BUF | KBUF | Buffalo Niagara International AirportBuffalo | Buffalo |
| BUM | KBUM | Butler Memorial AirportButler | Butler |
| BUR | KBUR | Hollywood Burbank/Bob Hope AirportBurbank | Burbank |
| BVO | KBVO | Bartlesville Municipal AirportBartlesville | Bartlesville |
| BVU | PABG | Beluga AirportBeluga | Beluga |
| BVX | KBVX | Batesville Regional AirportBatesville | Batesville |
| BVY | KBVY | Beverly Regional AirportBeverly / Danvers | Beverly / Danvers |
| BWC | KBWC | Brawley Municipal AirportBrawley | Brawley |
| BWD | KBWD | Brownwood Regional AirportBrownwood | Brownwood |
| BWG | KBWG | Bowling Green Warren County Regional AirportBowling Green | Bowling Green |
| BWI | KBWI | Baltimore/Washington International Thurgood Marshall AirportBaltimore | Baltimore |
| BWL | KBKN | Blackwell Tonkawa Municipal AirportBlackwell | Blackwell |
| BWM | β | Bowman Regional AirportBowman | Bowman |
| BXA | KBXA | George R Carr Memorial Air FieldBogalusa | Bogalusa |
| BXK | KBXK | Buckeye Municipal AirportBuckeye | Buckeye |
| BXS | β | Borrego Valley AirportBorrego Springs | Borrego Springs |
| BYA | β | Boundary AirportBoundary | Boundary |
| BYG | KBYG | Johnson County AirportBuffalo | Buffalo |
| BYH | KBYH | Arkansas International AirportBlytheville | Blytheville |
| BYI | KBYI | Burley Municipal AirportBurley | Burley |
| BYS | KBYS | Bicycle Lake Army Air FieldFort Irwin/Barstow | Fort Irwin/Barstow |
| BYW | β | Blakely Island AirportBlakely Island | Blakely Island |
| BZF | β | Benton FieldRedding | Redding |
| BZN | KBZN | Bozeman Yellowstone International AirportBozeman | Bozeman |
| BZT | β | Eagle Air ParkBrazoria | Brazoria |
| CAD | KCAD | Wexford County AirportCadillac | Cadillac |
| CAE | KCAE | Columbia Metropolitan AirportColumbia | Columbia |
| CAK | KCAK | Akron Canton Regional AirportAkron | Akron |
| CAO | KCAO | Clayton Municipal AirparkClayton | Clayton |
| CAR | KCAR | Caribou Municipal AirportCaribou | Caribou |
| CBE | KCBE | Greater Cumberland Regional AirportWiley Ford | Wiley Ford |
| CBF | KCBF | Council Bluffs Municipal AirportCouncil Bluffs | Council Bluffs |
| CBK | KCBK | Shalz FieldColby | Colby |
| CBM | KCBM | Columbus Air Force BaseColumbus | Columbus |
| CCB | KCCB | Upland-Cable AirportUpland | Upland |
| CCD | β | Century City HeliportLos Angeles | Los Angeles |
| CCG | β | Crane County AirportCrane | Crane |
| CCR | KCCR | Buchanan FieldConcord | Concord |
| CCY | KCCY | Northeast Iowa Regional AirportCharles City | Charles City |
| CDB | PACD | Cold Bay AirportCold Bay | Cold Bay |
| CDC | KCDC | Cedar City Regional AirportCedar City | Cedar City |
| CDH | KCDH | Harrell FieldCamden | Camden |
| CDK | KCDK | George T Lewis AirportCedar Key | Cedar Key |
| CDL | β | Candle 2 AirportCandle | Candle |
| CDN | KCDN | Woodward FieldCamden | Camden |
| CDR | KCDR | Chadron Municipal AirportChadron | Chadron |
| CDS | KCDS | Childress Municipal AirportChildress | Childress |
| CDV | PACV | Merle K (Mudhole) Smith AirportCordova | Cordova |
| CDW | KCDW | Essex County AirportCaldwell | Caldwell |
| CEA | KCEA | Cessna Aircraft FieldWichita | Wichita |
| CEC | KCEC | Jack Mc Namara Field AirportCrescent City | Crescent City |
| CEF | β | Westover Metropolitan Airport / Westover Air Reserve BaseChicopee | Chicopee |
| CEM | PACE | Central AirportCentral | Central |
| CEU | KCEU | Oconee County Regional AirportClemson | Clemson |
| CEV | KCEV | Mettel FieldConnersville | Connersville |
| CEW | KCEW | Bob Sikes AirportCrestview | Crestview |
| CEX | β | Chena Hot Springs AirportChena Hot Springs | Chena Hot Springs |
| CEY | KCEY | Murray-Calloway County Airport Kyle-Oakley FieldMurray | Murray |
| CEZ | KCEZ | Cortez Municipal AirportCortez | Cortez |
| CFD | KCFD | Coulter FieldBryan | Bryan |
| CFT | KCFT | Greenlee County AirportClifton | Clifton |
| CFV | KCFV | Coffeyville Municipal AirportCoffeyville | Coffeyville |
| CGA | β | Craig Seaplane BaseCraig | Craig |
| CGE | KCGE | Cambridge Dorchester AirportCambridge | Cambridge |
| CGF | KCGF | Cuyahoga County AirportCleveland | Cleveland |
| CGI | KCGI | Cape Girardeau Regional AirportCape Girardeau | Cape Girardeau |
| CGS | KCGS | College Park AirportCollege Park | College Park |
| CGZ | KCGZ | Casa Grande Municipal AirportCasa Grande | Casa Grande |
| CHA | KCHA | Chattanooga Metropolitan Airport (Lovell Field)Chattanooga | Chattanooga |
| CHK | KCHK | Chickasha Municipal AirportChickasha | Chickasha |
| CHL | KLLJ | Challis AirportChallis | Challis |
| CHO | KCHO | Charlottesville Albemarle AirportCharlottesville | Charlottesville |
| CHP | β | Circle Hot Springs AirportCircle Hot Springs | Circle Hot Springs |
| CHS | KCHS | Charleston International AirportCharleston | Charleston |
| CHU | PACH | Chuathbaluk AirportChuathbaluk | Chuathbaluk |
| CHZ | β | Chiloquin State AirportChiloquin | Chiloquin |
| CIC | KCIC | Chico Regional AirportChico | Chico |
| CID | KCID | The Eastern Iowa AirportCedar Rapids | Cedar Rapids |
| CIG | KCAG | Craig Moffat AirportCraig | Craig |
| CIK | PACI | Chalkyitsik AirportChalkyitsik | Chalkyitsik |
| CIL | β | Council AirportCouncil | Council |
| CIN | KCIN | Arthur N Neu AirportCarroll | Carroll |
| CIR | KCIR | Cairo Regional AirportCairo | Cairo |
| CIU | KCIU | Chippewa County International AirportKincheloe | Kincheloe |
| CKA | KCKA | Kegelman AF Aux FieldCherokee | Cherokee |
| CKB | KCKB | North Central West Virginia AirportBridgeport | Bridgeport |
| CKD | PACJ | Crooked Creek AirportCrooked Creek | Crooked Creek |
| CKE | β | Lampson FieldLakeport | Lakeport |
| CKK | KCVK | Sharp County Regional AirportAsh Flat | Ash Flat |
| CKM | KCKM | Fletcher FieldClarksdale | Clarksdale |
| CKN | KCKN | Crookston Municipal Kirkwood FieldCrookston | Crookston |
| CKR | β | Crane Island AirstripCrane Island | Crane Island |
| CKU | β | Cordova Municipal AirportCordova | Cordova |
| CKV | KCKV | ClarksvilleβMontgomery County Regional AirportClarksville | Clarksville |
| CKX | β | Chicken AirportChicken | Chicken |
| CLD | KCRQ | McClellan-Palomar AirportCarlsbad | Carlsbad |
| CLE | KCLE | Cleveland Hopkins International AirportCleveland | Cleveland |
| CLG | β | New Coalinga Municipal AirportCoalinga | Coalinga |
| CLI | KCLI | Clintonville Municipal AirportClintonville | Clintonville |
| CLK | KCLK | Clinton Regional AirportClinton | Clinton |
| CLL | KCLL | Easterwood FieldCollege Station | College Station |
| CLM | KCLM | William R Fairchild International AirportPort Angeles | Port Angeles |
| CLP | PFCL | Clarks Point AirportClarks Point | Clarks Point |
| CLR | KCLR | Cliff Hatfield Memorial AirportCalipatria | Calipatria |
| CLS | KCLS | Chehalis Centralia AirportChehalis | Chehalis |
| CLT | KCLT | Charlotte Douglas International AirportCharlotte | Charlotte |
| CLU | KBAK | Columbus Municipal AirportColumbus | Columbus |
| CLW | KCLW | Clearwater Air ParkClearwater | Clearwater |
| CMH | KCMH | John Glenn Columbus International AirportColumbus | Columbus |
| CMI | KCMI | University of Illinois Willard AirportSavoy | Savoy |
| CMX | KCMX | Houghton County Memorial AirportHancock | Hancock |
| CMY | KCMY | Sparta Fort McCoy AirportSparta | Sparta |
| CNE | β | Fremont County AirportPenrose | Penrose |
| CNH | KCNH | Claremont Municipal AirportClaremont | Claremont |
| CNK | KCNK | Blosser Municipal AirportConcordia | Concordia |
| CNM | KCNM | Cavern City Air TerminalCarlsbad | Carlsbad |
| CNO | KCNO | Chino AirportChino | Chino |
| CNU | KCNU | Chanute Martin Johnson AirportChanute | Chanute |
| CNW | KCNW | TSTC Waco AirportWaco | Waco |
| CNY | KCNY | Canyonlands Regional AirportMoab | Moab |
| COA | β | Columbia AirportColumbia | Columbia |
| COD | KCOD | Yellowstone Regional AirportCody | Cody |
| COE | KCOE | Coeur D'Alene Airport - Pappy Boyington FieldCoeur d'Alene | Coeur d'Alene |
| COF | KCOF | Patrick Space Force BaseCocoa Beach | Cocoa Beach |
| COI | KCOI | Merritt Island AirportMerritt Island | Merritt Island |
| COM | KCOM | Coleman Municipal AirportColeman | Coleman |
| CON | KCON | Concord Municipal AirportConcord | Concord |
| COP | β | Cooperstown-Westville AirportCooperstown | Cooperstown |
| COS | KCOS | City of Colorado Springs Municipal AirportColorado Springs | Colorado Springs |
| COT | KCOT | Cotulla-La Salle County AirportCotulla | Cotulla |
| COU | KCOU | Columbia Regional AirportColumbia | Columbia |
| CPM | KCPM | Compton Woodley AirportCompton | Compton |
| CPR | KCPR | Casper-Natrona County International AirportCasper | Casper |
| CPS | KCPS | St Louis Downtown AirportCahokia/St Louis | Cahokia/St Louis |
| CRE | KCRE | Grand Strand AirportNorth Myrtle Beach | North Myrtle Beach |
| CRG | KCRG | Jacksonville Executive at Craig AirportJacksonville | Jacksonville |
| CRO | β | Corcoran AirportCorcoran | Corcoran |
| CRP | KCRP | Corpus Christi International AirportCorpus Christi | Corpus Christi |
| CRS | KCRS | C David Campbell Field Corsicana Municipal AirportCorsicana | Corsicana |
| CRT | KCRT | Z M Jack Stell FieldCrossett | Crossett |
| CRW | KCRW | Yeager AirportCharleston | Charleston |
| CRX | KCRX | Roscoe Turner AirportCorinth | Corinth |
| CSE | β | Crested Butte AirparkCrested Butte | Crested Butte |
| CSG | KCSG | Columbus AirportColumbus | Columbus |
| CSM | KCSM | Clinton Sherman AirportClinton | Clinton |
| CSN | KCXP | Carson AirportCarson City | Carson City |
| CSQ | KCSQ | Creston Municipal AirportCreston | Creston |
| CSV | KCSV | Crossville Memorial Airport Whitson FieldCrossville | Crossville |
| CTB | KCTB | Cut Bank International AirportCut Bank | Cut Bank |
| CTH | KMQS | Chester County G O Carlson AirportCoatesville | Coatesville |
| CTK | β | Canton Municipal AirportCanton | Canton |
| CTO | β | Calverton Executive AirparkCalverton | Calverton |
| CTW | β | Cottonwood AirportCottonwood | Cottonwood |
| CTX | β | Cortland County Chase FieldCortland | Cortland |
| CTY | KCTY | Cross City AirportCross City | Cross City |
| CTZ | KCTZ | Sampson County AirportClinton | Clinton |
| CUB | KCUB | Jim Hamilton L.B. Owens AirportColumbia | Columbia |
| CUH | KCUH | Cushing Municipal AirportCushing | Cushing |
| CUS | β | Columbus AirportColumbus | Columbus |
| CVG | KCVG | Cincinnati Northern Kentucky International AirportCincinnati / Covington | Cincinnati / Covington |
| CVN | KCVN | Clovis Municipal AirportClovis | Clovis |
| CVO | KCVO | Corvallis Municipal AirportCorvallis | Corvallis |
| CVS | KCVS | Cannon Air Force BaseClovis | Clovis |
| CWA | KCWA | Central Wisconsin AirportMosinee | Mosinee |
| CWF | KCWF | Chennault International AirportLake Charles | Lake Charles |
| CWI | KCWI | Clinton Municipal AirportClinton | Clinton |
| CWS | β | Center Island AirportCenter Island | Center Island |
| CWX | β | Cochise County AirportWillcox | Willcox |
| CXC | β | Chitina AirportChitina | Chitina |
| CXF | PACX | Coldfoot AirportColdfoot | Coldfoot |
| CXL | KCXL | Calexico International AirportCalexico | Calexico |
| CXO | KCXO | Conroe-North Houston Regional AirportHouston | Houston |
| CYF | PACK | Chefornak AirportChefornak | Chefornak |
| CYM | β | Chatham Seaplane BaseChatham | Chatham |
| CYS | KCYS | Cheyenne Regional Jerry Olson FieldCheyenne | Cheyenne |
| CYT | PACY | Yakataga AirportYakataga | Yakataga |
| CZC | β | Copper Center 2 AirportCopper Center | Copper Center |
| CZF | PACZ | Cape Romanzof LRRS AirportCape Romanzof | Cape Romanzof |
| CZK | KCZK | Cascade Locks State AirportCascade Locks | Cascade Locks |
| CZN | β | Chisana AirportChisana | Chisana |
| CZO | β | Chistochina AirportChistochina | Chistochina |
| CZP | β | Cape Pole Seaplane BaseCape Pole | Cape Pole |
| CZT | KCZT | Dimmit County AirportCarrizo Springs | Carrizo Springs |
| DAA | KDAA | Davison Army Air FieldFort Belvoir | Fort Belvoir |
| DAB | KDAB | Daytona Beach International AirportDaytona Beach | Daytona Beach |
| DAG | KDAG | Barstow Daggett AirportDaggett | Daggett |
| DAL | KDAL | Dallas Love FieldDallas | Dallas |
| DAN | KDAN | Danville Regional AirportDanville | Danville |
| DAY | KDAY | James M. Cox Dayton International AirportDayton | Dayton |
| DBN | KDBN | W H 'Bud' Barron AirportDublin | Dublin |
| DBQ | KDBQ | Dubuque Regional AirportDubuque | Dubuque |
| DBS | β | Dubois Municipal AirportDubois | Dubois |
| DCA | KDCA | Ronald Reagan Washington National AirportWashington | Washington |
| DCK | β | Dahl Creek AirportDahl Creek | Dahl Creek |
| DCU | KDCU | Pryor Field Regional AirportDecatur | Decatur |
| DDC | KDDC | Dodge City Regional AirportDodge City | Dodge City |
| DEC | KDEC | Decatur AirportDecatur | Decatur |
| DEH | KDEH | Decorah Municipal AirportDecorah | Decorah |
| DEN | KDEN | Denver International AirportDenver | Denver |
| DET | β | Coleman A. Young Municipal AirportDetroit | Detroit |
| DFI | KDFI | Defiance Memorial AirportDefiance | Defiance |
| DFW | KDFW | Dallas Fort Worth International Airport Live camDallas-Fort Worth | Dallas-Fort Worth |
| DGL | KDGL | Douglas Municipal AirportDouglas | Douglas |
| DGN | KNDY | Dahlgren Naval Surface Warfare Center AirportDahlgren | Dahlgren |
| DGW | KDGW | Converse County AirportDouglas | Douglas |
| DHB | β | Deer Harbor SPBDeer Harbor | Deer Harbor |
| DHN | KDHN | Dothan Regional AirportDothan | Dothan |
| DHT | KDHT | Dalhart Municipal AirportDalhart | Dalhart |
| DIK | KDIK | Dickinson Theodore Roosevelt Regional AirportDickinson | Dickinson |
| DIO | β | Diomede HeliportDiomede | Diomede |
| DJN | β | Delta Junction AirportDelta Junction | Delta Junction |
| DJT | KDJT | President Donald J. Trump International AirportWest Palm Beach | West Palm Beach |
| DKK | KDKK | Chautauqua County-Dunkirk AirportDunkirk | Dunkirk |
| DLF | KDLF | Laughlin Air Force BaseDel Rio | Del Rio |
| DLG | PADL | Dillingham AirportDillingham | Dillingham |
| DLH | KDLH | Duluth International AirportDuluth | Duluth |
| DLL | KDLC | Dillon County AirportDillon | Dillon |
| DLN | KDLN | Dillon AirportDillon | Dillon |
| DLS | KDLS | Columbia Gorge Regional AirportDallesport / The Dalles | Dallesport / The Dalles |
| DMA | KDMA | Davis Monthan Air Force BaseTucson | Tucson |
| DMN | KDMN | Deming Municipal AirportDeming | Deming |
| DMO | KDMO | Sedalia Memorial AirportSedalia | Sedalia |
| DNL | KDNL | Daniel FieldAugusta | Augusta |
| DNN | KDNN | Dalton Municipal AirportDalton | Dalton |
| DNS | KDNS | Denison Municipal AirportDenison | Denison |
| DNV | KDNV | Vermilion Regional AirportDanville | Danville |
| DOV | KDOV | Dover Civil Air Terminal/Dover Air Force BaseDover | Dover |
| DPA | KDPA | Dupage AirportChicago/West Chicago | Chicago/West Chicago |
| DPG | KDPG | Michael AAF (Dugway Proving Ground) AirportDugway Proving Ground | Dugway Proving Ground |
| DRA | KDRA | Desert Rock AirportMercury | Mercury |
| DRE | KDRM | Drummond Island AirportDrummond Island | Drummond Island |
| DRF | β | Drift River AirportKenai | Kenai |
| DRG | PADE | Deering AirportDeering | Deering |
| DRI | KDRI | Beauregard Regional AirportDeRidder | DeRidder |
| DRO | KDRO | Durango La Plata County AirportDurango | Durango |
| DRT | KDRT | Del Rio International AirportDel Rio | Del Rio |
| DRU | β | Drummond AirportDrummond | Drummond |
| DSI | KDTS | Destin Executive AirportDestin | Destin |
| DSM | KDSM | Des Moines International AirportDes Moines | Des Moines |
| DSV | KDSV | Dansville Municipal AirportDansville | Dansville |
| DTA | KDTA | Delta Municipal AirportDelta | Delta |
| DTH | β | Furnace Creek AirportDeath Valley | Death Valley |
| DTL | KDTL | Detroit Lakes AirportDetroit Lakes | Detroit Lakes |
| DTN | KDTN | Shreveport Downtown AirportShreveport | Shreveport |
| DTR | β | Decatur Shores AirportDecatur | Decatur |
| DTW | KDTW | Detroit Metropolitan Wayne County AirportDetroit | Detroit |
| DTX | KTKI | McKinney National AirportDallas | Dallas |
| DUA | KDUA | Durant Regional Airport - Eaker FieldDurant | Durant |
| DUC | KDUC | Halliburton FieldDuncan | Duncan |
| DUF | β | Pine Island AirportCorolla | Corolla |
| DUG | KDUG | Bisbee Douglas International AirportDouglas Bisbee | Douglas Bisbee |
| DUJ | KDUJ | DuBois Regional AirportDubois | Dubois |
| DUT | PADU | Tom Madsen (Dutch Harbor) AirportUnalaska | Unalaska |
| DVL | KDVL | Devils Lake Regional AirportDevils Lake | Devils Lake |
| DVN | KDVN | Davenport Municipal AirportDavenport | Davenport |
| DVT | KDVT | Phoenix Deer Valley AirportPhoenix | Phoenix |
| DWH | KDWH | David Wayne Hooks Memorial AirportHouston | Houston |
| DXE | KMBO | Bruce Campbell FieldMadison | Madison |
| DXR | KDXR | Danbury Municipal AirportDanbury | Danbury |
| DYL | KDYL | Doylestown AirportDoylestown | Doylestown |
| DYS | KDYS | Dyess Air Force BaseAbilene | Abilene |
| EAA | PAEG | Eagle AirportEagle | Eagle |
| EAN | KEAN | Phifer AirfieldWheatland | Wheatland |
| EAR | KEAR | Kearney Regional AirportKearney | Kearney |
| EAT | KEAT | Pangborn Memorial AirportWenatchee | Wenatchee |
| EAU | KEAU | Chippewa Valley Regional AirportEau Claire | Eau Claire |
| EBS | KEBS | Webster City Municipal AirportWebster City | Webster City |
| ECA | β | Iosco County AirportEast Tawas | East Tawas |
| ECG | KECG | Elizabeth City Regional Airport & Coast Guard Air StationElizabeth City | Elizabeth City |
| ECP | KECP | Northwest Florida Beaches International AirportPanama City Beach | Panama City Beach |
| ECS | KECS | Mondell FieldNewcastle | Newcastle |
| EDA | β | Edna Bay Seaplane BaseEdna Bay | Edna Bay |
| EDE | KEDE | Northeastern Regional AirportEdenton | Edenton |
| EDF | PAED | Elmendorf Air Force BaseAnchorage | Anchorage |
| EDK | KEQA | Captain Jack Thomas El Dorado AirportEl Dorado | El Dorado |
| EDW | KEDW | Edwards Air Force BaseEdwards | Edwards |
| EED | KEED | Needles AirportNeedles | Needles |
| EEK | PAEE | Eek AirportEek | Eek |
| EEN | KEEN | Dillant Hopkins AirportKeene | Keene |
| EFD | KEFD | Ellington AirportHouston | Houston |
| EFK | KEFK | Northeast Kingdom International AirportNewport | Newport |
| EFW | KEFW | Jefferson Municipal AirportJefferson | Jefferson |
| EGE | KEGE | Eagle County Regional AirportEagle | Eagle |
| EGI | KEGI | Duke FieldCrestview | Crestview |
| EGP | β | Maverick County Memorial International AirportEagle Pass | Eagle Pass |
| EGV | KEGV | Eagle River Union AirportEagle River | Eagle River |
| EGX | PAII | Egegik AirportEgegik | Egegik |
| EHM | PAEH | Cape Newenham LRRS AirportCape Newenham | Cape Newenham |
| EIL | PAEI | Eielson Air Force BaseFairbanks | Fairbanks |
| EKA | KEKA | Murray FieldEureka | Eureka |
| EKI | KEKM | Elkhart Municipal AirportElkhart | Elkhart |
| EKN | KEKN | Elkins-Randolph County Regional AirportElkins | Elkins |
| EKO | KEKO | Elko Regional AirportElko | Elko |
| EKX | KEKX | Addington Field / Elizabethtown Regional AirportElizabethtown | Elizabethtown |
| ELA | KELA | Eagle Lake AirportEagle Lake | Eagle Lake |
| ELD | KELD | South Arkansas Regional Airport at Goodwin FieldEl Dorado | El Dorado |
| ELI | PFEL | Elim AirportElim | Elim |
| ELK | KELK | Elk City Regional Business AirportElk City | Elk City |
| ELM | KELM | Elmira Corning Regional AirportElmira/Corning | Elmira/Corning |
| ELN | KELN | Bowers FieldEllensburg | Ellensburg |
| ELP | KELP | El Paso International AirportEl Paso | El Paso |
| ELV | PAEL | Elfin Cove Seaplane BaseElfin Cove | Elfin Cove |
| ELW | β | Ellamar Seaplane BaseEllamar | Ellamar |
| ELY | KELY | Ely Airport Yelland FieldEly | Ely |
| ELZ | KELZ | Wellsville Municipal Airport - Tarantine FieldWellsville | Wellsville |
| EMK | PAEM | Emmonak AirportEmmonak | Emmonak |
| EMM | KEMM | Kemmerer Municipal AirportKemmerer | Kemmerer |
| EMP | KEMP | Emporia Municipal AirportEmporia | Emporia |
| EMT | KEMT | San Gabriel Valley AirportEl Monte | El Monte |
| ENA | PAEN | Kenai Municipal AirportKenai | Kenai |
| END | KEND | Vance Air Force BaseEnid | Enid |
| ENL | KENL | Centralia Municipal AirportCentralia | Centralia |
| ENN | PANN | Nenana Municipal AirportNenana | Nenana |
| ENV | KENV | Wendover AirportWendover | Wendover |
| ENW | KENW | Kenosha Regional AirportKenosha | Kenosha |
| EOK | KEOK | Keokuk Municipal AirportKeokuk | Keokuk |
| EOS | KEOS | Neosho Hugh Robinson AirportNeosho | Neosho |
| EPG | β | Browns AirportWeeping Water | Weeping Water |
| EPH | KEPH | Ephrata Municipal AirportEphrata | Ephrata |
| ERI | KERI | Erie International Tom Ridge FieldErie | Erie |
| ERR | KERR | Errol AirportErrol | Errol |
| ERV | KERV | Kerrville / Kerr County Airport at Louis Schreiner FieldKerrville | Kerrville |
| ESC | KESC | Delta County AirportEscanaba | Escanaba |
| ESD | KORS | Orcas Island AirportEastsound | Eastsound |
| ESF | KESF | Esler Army Airfield / Esler Regional AirportAlexandria | Alexandria |
| ESN | KESN | Easton Airport / Newnam FieldEaston | Easton |
| ESO | β | Ohkay Owingeh AirportEspanola | Espanola |
| EST | KEST | Estherville Municipal AirportEstherville | Estherville |
| ESW | KESW | Easton State AirportEaston | Easton |
| ETB | KETB | West Bend Municipal AirportWest Bend | West Bend |
| ETN | KETN | Eastland Municipal AirportEastland | Eastland |
| ETS | KEDN | Enterprise Municipal AirportEnterprise | Enterprise |
| EUE | β | Eureka AirportEureka | Eureka |
| EUF | KEUF | Weedon FieldEufaula | Eufaula |
| EUG | KEUG | Eugene AirportEugene | Eugene |
| EVM | KEVM | EvelethβVirginia Municipal AirportEveleth | Eveleth |
| EVV | KEVV | Evansville Regional AirportEvansville | Evansville |
| EVW | KEVW | Evanston-Uinta County Airport-Burns FieldEvanston | Evanston |
| EWB | KEWB | New Bedford Regional AirportNew Bedford | New Bedford |
| EWK | KEWK | Newton City-County AirportNewton | Newton |
| EWN | KEWN | Coastal Carolina Regional AirportNew Bern | New Bern |
| EWR | KEWR | Newark Liberty International AirportNewark | Newark |
| EXI | β | Excursion Inlet Seaplane BaseExcursion Inlet | Excursion Inlet |
| EYR | β | Yerington Municipal AirportYerington | Yerington |
| EYW | KEYW | Key West International AirportKey West | Key West |
| FAF | KFAF | Felker Army Air FieldNewport News (Fort Eustis) | Newport News (Fort Eustis) |
| FAI | PAFA | Fairbanks International AirportFairbanks | Fairbanks |
| FAK | β | False Island Seaplane BaseFalse Island | False Island |
| FAM | KFAM | Farmington Regional AirportFarmington | Farmington |
| FAR | KFAR | Hector International AirportFargo | Fargo |
| FAT | KFAT | Fresno Yosemite International AirportFresno | Fresno |
| FAY | KFAY | Fayetteville Regional Airport - Grannis FieldFayetteville | Fayetteville |
| FBG | KFBG | Simmons Army Air FieldFort Bragg | Fort Bragg |
| FBK | PAFB | Ladd Army AirfieldFairbanks | Fairbanks |
| FBL | KFBL | Faribault Municipal Airport-Liz Wall Strohfus FieldFaribault | Faribault |
| FBR | KFBR | Fort Bridger AirportFort Bridger | Fort Bridger |
| FBS | β | Friday Harbor Seaplane BaseFriday Harbor | Friday Harbor |
| FBY | KFBY | Fairbury Municipal AirportFairbury | Fairbury |
| FCA | KGPI | Glacier Park International AirportKalispell | Kalispell |
| FCH | KFCH | Fresno Chandler Executive AirportFresno | Fresno |
| FCM | KFCM | Flying Cloud AirportMinneapolis | Minneapolis |
| FCS | KFCS | Butts AAF (Fort Carson) Air FieldFort Carson | Fort Carson |
| FCY | KFCY | Forrest City Municipal AirportForrest City | Forrest City |
| FDK | KFDK | Frederick Municipal AirportFrederick | Frederick |
| FDR | KFDR | Frederick Regional AirportFrederick | Frederick |
| FDY | KFDY | Findlay AirportFindlay | Findlay |
| FEP | KFEP | Albertus AirportFreeport | Freeport |
| FET | KFET | Fremont Municipal AirportFremont | Fremont |
| FFA | KFFA | First Flight AirportKill Devil Hills | Kill Devil Hills |
| FFL | KFFL | Fairfield Municipal AirportFairfield | Fairfield |
| FFM | KFFM | Fergus Falls Municipal Airport - Einar Mickelson FieldFergus Falls | Fergus Falls |
| FFO | KFFO | Wright-Patterson Air Force BaseDayton | Dayton |
| FFT | KFFT | Capital City AirportFrankfort | Frankfort |
| FHU | KFHU | Sierra Vista Municipal Airport / Libby Army Air FieldFort Huachuca / Sierra Vista | Fort Huachuca / Sierra Vista |
| FID | β | Elizabeth FieldFishers Island | Fishers Island |
| FIL | KFOM | Fillmore Municipal AirportFillmore | Fillmore |
| FKL | KFKL | Venango Regional AirportFranklin | Franklin |
| FKN | KFKN | Franklin Regional AirportFranklin | Franklin |
| FLD | KFLD | Fond du Lac County AirportFond du Lac | Fond du Lac |
| FLG | KFLG | Flagstaff Pulliam AirportFlagstaff | Flagstaff |
| FLL | KFLL | Fort Lauderdale Hollywood International AirportFort Lauderdale | Fort Lauderdale |
| FLO | KFLO | Florence Regional AirportFlorence | Florence |
| FLP | KFLP | Marion County Regional AirportFlippin | Flippin |
| FLT | PAFT | Flat AirportFlat | Flat |
| FLV | KFLV | Sherman Army Air FieldFort Leavenworth | Fort Leavenworth |
| FLX | KFLX | Fallon Municipal AirportFallon | Fallon |
| FME | KFME | Fort Meade Executive AirportFort Meade(Odenton) | Fort Meade(Odenton) |
| FMH | KFMH | Cape Cod Coast Guard Air StationFalmouth | Falmouth |
| FMN | KFMN | Four Corners Regional AirportFarmington | Farmington |
| FMS | KFSW | Fort Madison Municipal AirportFort Madison | Fort Madison |
| FMU | β | Florence Municipal AirportFlorence | Florence |
| FMY | KFMY | Page FieldFort Myers | Fort Myers |
| FNL | KFNL | Northern Colorado Regional AirportLoveland | Loveland |
| FNR | PANR | Funter Bay Seaplane BaseFunter Bay | Funter Bay |
| FNT | KFNT | Bishop International AirportFlint | Flint |
| FOB | β | Fort Bragg AirportFort Bragg | Fort Bragg |
| FOD | KFOD | Fort Dodge Regional AirportFort Dodge | Fort Dodge |
| FOE | KFOE | Topeka Regional AirportTopeka | Topeka |
| FOK | KFOK | Francis S Gabreski AirportWesthampton Beach | Westhampton Beach |
| FPR | KFPR | Treasure Coast International AirportFort Pierce | Fort Pierce |
| FPY | β | Perry-Foley AirportPerry | Perry |
| FRD | KFHR | Friday Harbor AirportFriday Harbor | Friday Harbor |
| FRG | KFRG | Republic AirportEast Farmingdale | East Farmingdale |
| FRH | KFRH | French Lick Municipal AirportFrench Lick | French Lick |
| FRI | KFRI | Marshall Army Air FieldFort Riley (Junction City) | Fort Riley (Junction City) |
| FRM | KFRM | Fairmont Municipal AirportFairmont | Fairmont |
| FRN | PAFR | Bryant Army AirfieldFort Richardson | Fort Richardson |
| FRR | KFRR | Front Royal Warren County AirportFront Royal | Front Royal |
| FRY | KIZG | Eastern Slopes Regional AirportFryeburg | Fryeburg |
| FSD | KFSD | Sioux Falls Regional AirportSioux Falls | Sioux Falls |
| FSI | KFSI | Henry Post Army Air FieldFort Sill | Fort Sill |
| FSK | KFSK | Fort Scott Municipal AirportFort Scott | Fort Scott |
| FSM | KFSM | Fort Smith Regional AirportFort Smith | Fort Smith |
| FST | KFST | Fort Stockton Pecos County AirportFort Stockton | Fort Stockton |
| FSU | KFSU | Fort Sumner Municipal AirportFort Sumner | Fort Sumner |
| FTK | KFTK | Godman Army Air FieldFort Knox | Fort Knox |
| FTW | KFTW | Fort Worth Meacham International AirportFort Worth | Fort Worth |
| FTY | KFTY | Fulton County Airport Brown FieldAtlanta | Atlanta |
| FUL | KFUL | Fullerton Municipal AirportFullerton | Fullerton |
| FWA | KFWA | Fort Wayne International AirportFort Wayne | Fort Wayne |
| FWH | KNFW | NAS Fort Worth JRB / Carswell FieldFort Worth | Fort Worth |
| FWL | β | Farewell AirportFarewell | Farewell |
| FXE | KFXE | Fort Lauderdale Executive AirportFort Lauderdale | Fort Lauderdale |
| FXY | KFXY | Forest City Municipal AirportForest City | Forest City |
| FYM | KFYM | Fayetteville Municipal AirportFayetteville | Fayetteville |
| FYU | PFYU | Fort Yukon AirportFort Yukon | Fort Yukon |
| FYV | KFYV | Drake FieldFayetteville | Fayetteville |
| GAB | KGAB | Gabbs AirportGabbs | Gabbs |
| GAD | KGAD | Northeast Alabama Regional AirportGadsden | Gadsden |
| GAG | KGAG | Gage Heibeck AirportGage | Gage |
| GAI | KGAI | Montgomery County AirparkGaithersburg | Gaithersburg |
| GAL | PAGA | Edward G. Pitka Sr AirportGalena | Galena |
| GAM | PAGM | Gambell AirportGambell | Gambell |
| GBD | KGBD | Great Bend Municipal AirportGreat Bend | Great Bend |
| GBG | KGBG | Galesburg Regional HW Timmons AirportGalesburg | Galesburg |
| GBH | PAGB | Galbraith Lake AirportGalbraith Lake | Galbraith Lake |
| GBR | KGBR | Walter J. Koladza AirportGreat Barrington | Great Barrington |
| GCC | KGCC | Northeast Wyoming Regional AirportGillette | Gillette |
| GCD | β | Grand Coulee Dam AirportElectric City | Electric City |
| GCK | KGCK | Garden City Regional AirportGarden City | Garden City |
| GCN | KGCN | Grand Canyon National Park AirportGrand Canyon - Tusayan | Grand Canyon - Tusayan |
| GCT | β | Grand Canyon Bar Ten AirstripLittlefield | Littlefield |
| GCW | β | Grand Canyon West AirportPeach Springs | Peach Springs |
| GCY | KGCY | Greeneville Municipal AirportGreeneville | Greeneville |
| GDC | KGYH | Donaldson Field AirportGreenville | Greenville |
| GDH | β | Golden Horn Lodge Seaplane BaseGolden Horn Lodge | Golden Horn Lodge |
| GDM | KGDM | Gardner Municipal AirportGardner | Gardner |
| GDV | KGDV | Dawson Community AirportGlendive | Glendive |
| GDW | KGDW | Gladwin Zettel Memorial AirportGladwin | Gladwin |
| GED | KGED | Delaware Coastal AirportGeorgetown | Georgetown |
| GEG | KGEG | Spokane International AirportSpokane | Spokane |
| GEY | KGEY | South Big Horn County AirportGreybull | Greybull |
| GFA | KGFA | Malmstrom Air Force BaseGreat Falls | Great Falls |
| GFD | KGFD | Pope FieldGreenfield | Greenfield |
| GFK | KGFK | Grand Forks International AirportGrand Forks | Grand Forks |
| GFL | KGFL | Floyd Bennett Memorial AirportGlens Falls | Glens Falls |
| GGE | KGGE | Georgetown County AirportGeorgetown | Georgetown |
| GGG | KGGG | East Texas Regional AirportLongview | Longview |
| GGW | KGGW | Glasgow Valley County Airport Wokal FieldGlasgow | Glasgow |
| GHM | KGHM | Centerville Municipal AirportCenterville | Centerville |
| GIF | KGIF | Winter Haven Regional Airport - Gilbert FieldWinter Haven | Winter Haven |
| GJT | KGJT | Grand Junction Regional AirportGrand Junction | Grand Junction |
| GKN | PAGK | Gulkana AirportGulkana | Gulkana |
| GKT | KGKT | Gatlinburg-Pigeon Forge AirportSevierville | Sevierville |
| GLB | β | San Carlos Apache AirportGlobe | Globe |
| GLD | KGLD | Goodland Municipal AirportGoodland | Goodland |
| GLE | KGLE | Gainesville Municipal AirportGainesville | Gainesville |
| GLH | KGLH | Mid Delta Regional AirportGreenville | Greenville |
| GLR | KGLR | Gaylord Regional AirportGaylord | Gaylord |
| GLS | KGLS | Scholes International At Galveston AirportGalveston | Galveston |
| GLV | PAGL | Golovin AirportGolovin | Golovin |
| GLW | KGLW | Glasgow Municipal AirportGlasgow | Glasgow |
| GMT | PAGZ | Granite Mountain Air StationGranite Mountain | Granite Mountain |
| GMU | KGMU | Greenville Downtown AirportGreenville | Greenville |
| GMV | β | Monument Valley AirportOljato-Monument Valley | Oljato-Monument Valley |
| GNF | β | Gansner FieldQuincy | Quincy |
| GNG | KGNG | Gooding Municipal AirportGooding | Gooding |
| GNT | KGNT | Grants-Milan Municipal AirportGrants | Grants |
| GNU | β | Goodnews AirportGoodnews | Goodnews |
| GNV | KGNV | Gainesville Regional AirportGainesville | Gainesville |
| GOK | KGOK | Guthrie-Edmond Regional AirportGuthrie | Guthrie |
| GOL | β | Gold Beach Municipal AirportGold Beach | Gold Beach |
| GON | KGON | Groton New London AirportGroton | Groton |
| GPT | KGPT | Gulfport Biloxi International AirportGulfport | Gulfport |
| GPZ | KGPZ | Grand Rapids Itasca Co-Gordon Newstrom fieldGrand Rapids | Grand Rapids |
| GQQ | KGQQ | Galion Municipal AirportGalion | Galion |
| GRB | KGRB | Austin Straubel International AirportGreen Bay | Green Bay |
| GRD | KGRD | Greenwood County AirportGreenwood | Greenwood |
| GRE | KGRE | Greenville AirportGreenville | Greenville |
| GRF | KGRF | Gray Army Air FieldJoint Base Lewis McChord | Joint Base Lewis McChord |
| GRI | KGRI | Central Nebraska Regional AirportGrand Island | Grand Island |
| GRK | KGRK | Killeen Regional Airport / Robert Gray Army AirfieldFort Cavazos | Fort Cavazos |
| GRM | KCKC | Grand Marais Cook County AirportGrand Marais | Grand Marais |
| GRN | KGRN | Gordon Municipal AirportGordon | Gordon |
| GRR | KGRR | Gerald R. Ford International AirportGrand Rapids | Grand Rapids |
| GSB | KGSB | Seymour Johnson Air Force BaseGoldsboro | Goldsboro |
| GSH | KGSH | Goshen Municipal AirportGoshen | Goshen |
| GSO | KGSO | Piedmont Triad International AirportGreensboro | Greensboro |
| GSP | KGSP | Greenville-Spartanburg International AirportGreenville/Greer/Spartanburg | Greenville/Greer/Spartanburg |
| GST | PAGS | Gustavus AirportGustavus | Gustavus |
| GTF | KGTF | Great Falls International AirportGreat Falls | Great Falls |
| GTG | KGTG | Grantsburg Municipal AirportGrantsburg | Grantsburg |
| GTP | β | Grants Pass AirportGrants Pass | Grants Pass |
| GTR | KGTR | Golden Triangle Regional AirportColumbus/W Point/Starkville | Columbus/W Point/Starkville |
| GTY | β | Gettysburg Regional AirportGettysburg | Gettysburg |
| GUC | KGUC | Gunnison Crested Butte Regional AirportGunnison | Gunnison |
| GUF | KJKA | Jack Edwards National AirportGulf Shores | Gulf Shores |
| GUP | KGUP | Gallup Municipal AirportGallup | Gallup |
| GUS | KGUS | Grissom Air Reserve BasePeru | Peru |
| GUY | KGUY | Guymon Municipal AirportGuymon | Guymon |
| GVE | KGVE | Gordonsville Municipal AirportGordonsville | Gordonsville |
| GVL | KGVL | Lee Gilmer Memorial AirportGainesville | Gainesville |
| GVT | KGVT | Majors AirportGreenville | Greenville |
| GWO | KGWO | GreenwoodβLeflore AirportGreenwood | Greenwood |
| GWS | KGWS | Sumers AirparkGlenwood Springs | Glenwood Springs |
| GWV | β | Glendale Fokker FieldGlendale | Glendale |
| GXY | KGXY | GreeleyβWeld County AirportGreeley | Greeley |
| GYR | KGYR | Phoenix Goodyear AirportGoodyear | Goodyear |
| GYY | KGYY | Gary/Chicago International AirportGary | Gary |
| HAB | KHAB | Marion County Rankin Fite AirportHamilton | Hamilton |
| HAE | β | Lava Falls HeliportSupai Village | Supai Village |
| HAF | KHAF | Half Moon Bay AirportHalf Moon Bay | Half Moon Bay |
| HAI | KHAI | Three Rivers Municipal Dr Haines AirportThree Rivers | Three Rivers |
| HAO | KHAO | Butler Co Regional Airport - Hogan FieldHamilton | Hamilton |
| HAR | KCXY | Capital City AirportHarrisburg | Harrisburg |
| HBB | β | Industrial AirparkHobbs | Hobbs |
| HBG | KHBG | Hattiesburg Bobby L Chain Municipal AirportHattiesburg | Hattiesburg |
| HBH | β | Entrance Island Seaplane BaseEntrance Island | Entrance Island |
| HBK | β | Holbrook Municipal AirportHolbrook | Holbrook |
| HBR | KHBR | Hobart Regional AirportHobart | Hobart |
| HCA | KBPG | Big Spring Mc Mahon-Wrinkle AirportBig Spring | Big Spring |
| HCC | β | Columbia County AirportHudson | Hudson |
| HCR | PAHC | Holy Cross AirportHoly Cross | Holy Cross |
| HCW | KCQW | Cheraw Municipal Airport/Lynch Bellinger FieldCheraw | Cheraw |
| HDE | KHDE | Brewster FieldHoldrege | Holdrege |
| HDH | PHDH | Kawaihapai AirfieldMokuleia | Mokuleia |
| HDN | KHDN | Yampa Valley AirportHayden | Hayden |
| HED | β | Herendeen Bay AirportHerendeen Bay | Herendeen Bay |
| HEE | KHEE | Thompson-Robbins AirportWest Helena | West Helena |
| HES | KHRI | Hermiston Municipal AirportHermiston | Hermiston |
| HEY | β | Hanchey Army (Fort Rucker) HeliportFort Rucker Ozark | Fort Rucker Ozark |
| HEZ | KHEZ | NatchezβAdams County Airport / Hardy-Anders FieldNatchez | Natchez |
| HFD | KHFD | Hartford Brainard AirportHartford | Hartford |
| HFF | KHFF | Mackall Army Air FieldHoffman | Hoffman |
| HGR | KHGR | Hagerstown Regional Richard A Henson FieldHagerstown | Hagerstown |
| HGT | β | Tusi (Hunter Liggett) Army HeliportJolon | Jolon |
| HGZ | β | Hog River AirportHogatza | Hogatza |
| HHH | KHXD | Hilton Head AirportHilton Head Island | Hilton Head Island |
| HHI | PHHI | Wheeler Army AirfieldWahiawa | Wahiawa |
| HHR | KHHR | Jack Northrop Field Hawthorne Municipal AirportHawthorne | Hawthorne |
| HIB | KHIB | Range Regional AirportHibbing | Hibbing |
| HIE | KHIE | Mount Washington Regional AirportWhitefield | Whitefield |
| HIF | KHIF | Hill Air Force BaseOgden | Ogden |
| HII | KHII | Lake Havasu City AirportLake Havasu City | Lake Havasu City |
| HIO | KHIO | Portland Hillsboro AirportPortland | Portland |
| HKA | KHKA | Blytheville Municipal AirportBlytheville | Blytheville |
| HKB | β | Healy Lake AirportHealy Lake | Healy Lake |
| HKS | KHKS | Hawkins FieldJackson | Jackson |
| HKY | KHKY | Hickory Regional AirportHickory | Hickory |
| HLB | KHLB | Batesville AirportBatesville | Batesville |
| HLC | KHLC | Hill City Municipal AirportHill City | Hill City |
| HLG | KHLG | Wheeling Ohio County AirportWheeling | Wheeling |
| HLI | KCVH | Hollister Municipal AirportHollister | Hollister |
| HLM | β | Park Township AirportHolland | Holland |
| HLN | KHLN | Helena Regional AirportHelena | Helena |
| HLR | KHLR | Hood Army Air FieldFort Cavazos (Killeen) | Fort Cavazos (Killeen) |
| HMN | KHMN | Holloman Air Force BaseAlamogordo | Alamogordo |
| HMT | KHMT | Hemet Ryan AirportHemet | Hemet |
| HNB | KHNB | Huntingburg AirportHuntingburg | Huntingburg |
| HNC | KHSE | Billy Mitchell AirportHatteras | Hatteras |
| HNH | PAOH | Hoonah AirportHoonah | Hoonah |
| HNL | PHNL | Daniel K. Inouye International AirportHonolulu, Oahu | Honolulu, Oahu |
| HNM | PHHN | Hana AirportHana | Hana |
| HNS | PAHN | Haines AirportHaines | Haines |
| HOB | KHOB | Lea County Regional AirportHobbs | Hobbs |
| HOM | PAHO | Homer AirportHomer | Homer |
| HON | KHON | Huron Regional AirportHuron | Huron |
| HOP | KHOP | Campbell Army Airfield (Fort Campbell)Fort Campbell | Fort Campbell |
| HOT | KHOT | Memorial Field AirportHot Springs | Hot Springs |
| HOU | KHOU | William P. Hobby AirportHouston | Houston |
| HPB | PAHP | Hooper Bay AirportHooper Bay | Hooper Bay |
| HPN | KHPN | Westchester County AirportWhite Plains | White Plains |
| HPT | KHPT | Hampton Municipal AirportHampton | Hampton |
| HPV | β | Princeville AirportHanalei | Hanalei |
| HPY | KHPY | Baytown AirportBaytown | Baytown |
| HQM | KHQM | Bowerman AirportHoquiam | Hoquiam |
| HRL | KHRL | Valley International AirportHarlingen | Harlingen |
| HRO | KHRO | Boone County AirportHarrison | Harrison |
| HSB | KHSB | Harrisburg-Raleigh AirportHarrisburg | Harrisburg |
| HSH | KHND | Henderson Executive AirportLas Vegas | Las Vegas |
| HSI | KHSI | Hastings Municipal AirportHastings | Hastings |
| HSL | PAHL | Huslia AirportHuslia | Huslia |
| HSP | KHSP | Ingalls FieldHot Springs | Hot Springs |
| HST | KHST | Homestead Air Reserve BaseHomestead | Homestead |
| HSV | KHSV | Huntsville International AirportHuntsville | Huntsville |
| HTH | KHTH | Hawthorne Industrial AirportHawthorne | Hawthorne |
| HTL | KHTL | Roscommon County - Blodgett Memorial AirportHoughton Lake | Houghton Lake |
| HTO | KJPX | Town of East Hampton AirportEast Hampton | East Hampton |
| HTS | KHTS | Tri-State Airport / Milton J. Ferguson FieldHuntington | Huntington |
| HTV | KUTS | Huntsville Regional AirportHuntsville | Huntsville |
| HTW | KHTW | Lawrence County AirparkSouth Point | South Point |
| HUA | KHUA | Redstone Army Air FieldRedstone Arsnl Huntsville | Redstone Arsnl Huntsville |
| HUD | β | Humboldt Municipal AirportHumboldt | Humboldt |
| HUF | β | Terre Haute Regional Airport, Hulman FieldTerre Haute | Terre Haute |
| HUJ | KHHW | Stan Stamper Municipal AirportHugo | Hugo |
| HUL | KHUL | Houlton International AirportHoulton | Houlton |
| HUM | KHUM | Houma Terrebonne AirportHouma | Houma |
| HUS | PAHU | Hughes AirportHughes | Hughes |
| HUT | KHUT | Hutchinson Municipal AirportHutchinson | Hutchinson |
| HVE | KHVE | Hanksville AirportHanksville | Hanksville |
| HVN | KHVN | Tweed New Haven AirportNew Haven | New Haven |
| HVR | KHVR | Havre City County AirportHavre | Havre |
| HVS | KHVS | Hartsville Regional AirportHartsville | Hartsville |
| HWD | KHWD | Hayward Executive AirportHayward | Hayward |
| HWI | β | Hawk Inlet Seaplane BaseHawk Inlet | Hawk Inlet |
| HWO | KHWO | North Perry AirportHollywood | Hollywood |
| HYA | KHYA | Cape Cod Gateway AirportHyannis | Hyannis |
| HYG | PAHY | Hydaburg Seaplane BaseHydaburg | Hydaburg |
| HYL | β | Hollis Clark Bay Seaplane BaseHollis | Hollis |
| HYR | KHYR | Sawyer County AirportHayward | Hayward |
| HYS | KHYS | Hays Regional AirportHays | Hays |
| HZL | KHZL | Hazleton Municipal AirportHazleton | Hazleton |
| IAB | KIAB | McConnell Air Force BaseWichita | Wichita |
| IAD | KIAD | Washington Dulles International AirportDulles | Dulles |
| IAG | KIAG | Niagara Falls International AirportNiagara Falls | Niagara Falls |
| IAH | KIAH | George Bush Intercontinental AirportHouston | Houston |
| IAN | PAIK | Bob Baker Memorial AirportKiana | Kiana |
| ICL | KICL | Schenck FieldClarinda | Clarinda |
| ICS | β | Cascade AirportCascade | Cascade |
| ICT | KICT | Wichita Dwight D. Eisenhower National AirportWichita | Wichita |
| ICY | β | Icy Bay AirportIcy Bay | Icy Bay |
| IDA | KIDA | Idaho Falls Regional AirportIdaho Falls | Idaho Falls |
| IDG | KIDG | Ida Grove Municipal AirportIda Grove | Ida Grove |
| IDH | KGIC | Idaho County AirportGrangeville | Grangeville |
| IDI | KIDI | Indiana CountyβJimmy Stewart AirportIndiana | Indiana |
| IDP | KIDP | Independence Municipal AirportIndependence | Independence |
| IFA | KIFA | Iowa Falls Municipal AirportIowa Falls | Iowa Falls |
| IFP | KIFP | Laughlin Bullhead International AirportBullhead City | Bullhead City |
| IGG | PAIG | Igiugig AirportIgiugig | Igiugig |
| IGM | KIGM | Kingman AirportKingman | Kingman |
| IJX | KIJX | Jacksonville Municipal AirportJacksonville | Jacksonville |
| IKB | KUKF | Wilkes County AirportNorth Wilkesboro | North Wilkesboro |
| IKK | KIKK | Greater Kankakee AirportKankakee | Kankakee |
| IKO | PAKO | Nikolski Air StationNikolski | Nikolski |
| ILE | KILE | Skylark FieldKilleen | Killeen |
| ILG | KILG | Wilmington AirportWilmington | Wilmington |
| ILI | PAIL | Iliamna AirportIliamna | Iliamna |
| ILL | KBDH | Willmar Municipal Airport John L Rice Field (2006)Willmar | Willmar |
| ILM | KILM | Wilmington International AirportWilmington | Wilmington |
| ILN | KILN | Wilmington AirparkWilmington | Wilmington |
| IML | KIML | Imperial Municipal AirportImperial | Imperial |
| IMM | KIMM | Immokalee Regional AirportImmokalee | Immokalee |
| IMT | KIMT | Ford AirportKingsford | Kingsford |
| IND | KIND | Indianapolis International AirportIndianapolis | Indianapolis |
| INK | KINK | Winkler County AirportWink | Wink |
| INL | KINL | Falls International AirportInternational Falls | International Falls |
| INS | KINS | Creech Air Force BaseIndian Springs | Indian Springs |
| INT | KINT | Smith Reynolds AirportWinston Salem | Winston Salem |
| INW | KINW | Winslow Lindbergh Regional AirportWinslow | Winslow |
| IOW | KIOW | Iowa City Municipal AirportIowa City | Iowa City |
| IPL | KIPL | Imperial County AirportImperial | Imperial |
| IPT | KIPT | Williamsport Regional AirportWilliamsport | Williamsport |
| IRB | β | Iraan Municipal AirportIraan | Iraan |
| IRC | PACR | Circle City (New) AirportCircle | Circle |
| IRK | KIRK | Kirksville Regional AirportKirksville | Kirksville |
| IRS | KIRS | Kirsch Municipal AirportSturgis | Sturgis |
| ISM | KISM | Kissimmee Gateway AirportOrlando | Orlando |
| ISO | KISO | Kinston Regional Jetport At Stallings FieldKinston | Kinston |
| ISP | KISP | Long Island MacArthur AirportIslip | Islip |
| ISQ | KISQ | Schoolcraft County AirportManistique | Manistique |
| ISS | KIWI | Wiscasset AirportWiscasset | Wiscasset |
| ISW | KISW | Alexander Field South Wood County AirportWisconsin Rapids | Wisconsin Rapids |
| ITH | KITH | Ithaca Tompkins Regional AirportIthaca | Ithaca |
| ITO | PHTO | Hilo International AirportHilo | Hilo |
| IUA | β | Canandaigua AirportOntario County IDA | Ontario County IDA |
| IWD | KIWD | Gogebic Iron County AirportIronwood | Ironwood |
| IWS | KIWS | West Houston AirportHouston | Houston |
| IYK | KIYK | Inyokern AirportInyokern | Inyokern |
| JAC | KJAC | Jackson Hole AirportJackson | Jackson |
| JAN | KJAN | Jackson-Medgar Wiley Evers International AirportJackson | Jackson |
| JAS | KJAS | Jasper County Airport Bell FieldJasper | Jasper |
| JAX | KJAX | Jacksonville International AirportJacksonville | Jacksonville |
| JBR | KJBR | Jonesboro Municipal AirportJonesboro | Jonesboro |
| JBT | β | Bethel Seaplane BaseBethel | Bethel |
| JCI | KIXD | New Century AirCenter AirportNew Century | New Century |
| JCT | KJCT | Kimble County AirportJunction | Junction |
| JCY | β | LBJ Ranch AirportStonewall | Stonewall |
| JDA | KGCD | Grant County Regional Airport / Ogilvie FieldJohn Day | John Day |
| JDN | KJDN | Jordan AirportJordan | Jordan |
| JEF | KJEF | Jefferson City Memorial AirportJefferson City | Jefferson City |
| JFK | KJFK | John F. Kennedy International Airport Live camNew York | New York |
| JFN | KHZY | Northeast Ohio Regional AirportAshtabula | Ashtabula |
| JHM | PHJH | Kapalua AirportLahaina | Lahaina |
| JHW | KJHW | Chautauqua County-Jamestown AirportJamestown | Jamestown |
| JID | β | Recreation and Conference Center HeliportCity of Industry | City of Industry |
| JKV | KJSO | Cherokee County AirportJacksonville | Jacksonville |
| JLA | β | Quartz Creek AirportCooper Landing | Cooper Landing |
| JLN | KJLN | Joplin Regional AirportJoplin | Joplin |
| JMS | KJMS | Jamestown Regional AirportJamestown | Jamestown |
| JNU | PAJN | Juneau International AirportJuneau | Juneau |
| JOT | KJOT | Joliet Regional AirportJoliet | Joliet |
| JPN | β | Pentagon Army HeliportWashington DC | Washington DC |
| JRA | β | West 30th Street HeliportNew York | New York |
| JRB | β | Downtown Skyport HeliportNew York | New York |
| JRF | PHJR | Kalaeloa AirportKapolei | Kapolei |
| JST | KJST | John Murtha Johnstown Cambria County AirportJohnstown | Johnstown |
| JVI | β | Central Jersey Regional AirportManville | Manville |
| JVL | KJVL | Southern Wisconsin Regional AirportJanesville | Janesville |
| JXN | KJXN | Jackson County Airport/Reynolds FieldJackson | Jackson |
| KAE | β | Kake Seaplane BaseKake | Kake |
| KAL | PAKV | Kaltag AirportKaltag | Kaltag |
| KBC | β | Birch Creek AirportBirch Creek | Birch Creek |
| KBE | β | Bell Island Hot Springs Seaplane BaseBell Island | Bell Island |
| KBW | β | Chignik Bay Seaplane BaseChignik | Chignik |
| KCC | PAKC | Coffman Cove Seaplane BaseCoffman Cove | Coffman Cove |
| KCG | PAJC | Chignik AirportChignik | Chignik |
| KCL | β | Chignik Lagoon AirportChignik Flats | Chignik Flats |
| KCN | β | Chernofski Harbor Seaplane BaseChernofski Harbor | Chernofski Harbor |
| KCQ | β | Chignik Lake AirportChignik Lake | Chignik Lake |
| KCR | β | Colorado Creek AirportColorado Creek | Colorado Creek |
| KDK | PAKD | Kodiak Municipal AirportKodiak | Kodiak |
| KEB | β | Nanwalek AirportNanwalek | Nanwalek |
| KEH | β | Kenmore Air Harbor LLC Seaplane BaseKenmore | Kenmore |
| KEK | β | Ekwok AirportEkwok | Ekwok |
| KFP | PAKF | False Pass AirportFalse Pass | False Pass |
| KGK | PAJZ | Koliganek AirportKoliganek | Koliganek |
| KGX | PAGX | Grayling AirportGrayling | Grayling |
| KGZ | β | Glacier Creek AirportGlacier Creek | Glacier Creek |
| KIB | β | Ivanof Bay Seaplane BaseIvanof Bay | Ivanof Bay |
| KIC | KKIC | Mesa Del Rey AirportKing City | King City |
| KIP | KCWC | Kickapoo Downtown AirportWichita Falls | Wichita Falls |
| KKA | PAKK | Koyuk Alfred Adams AirportKoyuk | Koyuk |
| KKB | β | Kitoi Bay Seaplane BaseKitoi Bay | Kitoi Bay |
| KKH | PADY | Kongiganak AirportKongiganak | Kongiganak |
| KKI | PFZK | Akiachak AirportAkiachak | Akiachak |
| KKK | β | Kalakaket Creek AS AirportKalakaket Creek | Kalakaket Creek |
| KKL | β | Karluk Lake Seaplane BaseKarluk Lake | Karluk Lake |
| KKT | β | Kentland Municipal AirportKentland | Kentland |
| KKU | β | Ekuk AirportEkuk | Ekuk |
| KLG | PALG | Kalskag AirportKalskag | Kalskag |
| KLL | β | Levelock AirportLevelock | Levelock |
| KLN | PALB | Larsen Bay AirportLarsen Bay | Larsen Bay |
| KLS | KKLS | Southwest Washington Regional AirportKelso | Kelso |
| KLW | PAKW | Klawock AirportKlawock | Klawock |
| KMO | PAMB | Manokotak AirportManokotak | Manokotak |
| KMY | β | Moser Bay Seaplane BaseMoser Bay | Moser Bay |
| KNB | KKNB | Kanab Municipal AirportKanab | Kanab |
| KNK | PFKK | Kokhanok AirportKokhanok | Kokhanok |
| KNT | KTKX | Kennett Memorial AirportKennett | Kennett |
| KNW | PANW | New Stuyahok AirportNew Stuyahok | New Stuyahok |
| KOA | PHKO | Ellison Onizuka Kona International Airport at KeΔholeKailua-Kona | Kailua-Kona |
| KOT | PFKO | Kotlik AirportKotlik | Kotlik |
| KOY | β | Olga Bay Seaplane BaseOlga Bay | Olga Bay |
| KOZ | β | Ouzinkie AirportOuzinkie | Ouzinkie |
| KPB | β | Point Baker Seaplane BasePoint Baker | Point Baker |
| KPC | PAPC | Port Clarence Coast Guard StationPort Clarence | Port Clarence |
| KPN | PAKI | Kipnuk AirportKipnuk | Kipnuk |
| KPR | β | Port Williams Seaplane BasePort Williams | Port Williams |
| KPT | β | Jackpot Airport/Hayden FieldJackpot | Jackpot |
| KPV | PAPE | Perryville AirportPerryville | Perryville |
| KPY | β | Port Bailey Seaplane BasePort Bailey | Port Bailey |
| KQA | PAUT | Akutan AirportAkutan | Akutan |
| KSM | PASM | St Mary's AirportSt Mary's | St Mary's |
| KTB | β | Thorne Bay Seaplane BaseThorne Bay | Thorne Bay |
| KTH | β | Tikchik Lodge Seaplane BaseTikchik | Tikchik |
| KTN | PAKT | Ketchikan International AirportKetchikan | Ketchikan |
| KTS | PFKT | Brevig Mission AirportBrevig Mission | Brevig Mission |
| KUK | PFKA | Kasigluk AirportKasigluk | Kasigluk |
| KVC | PAVC | King Cove AirportKing Cove | King Cove |
| KVL | PAVL | Kivalina AirportKivalina | Kivalina |
| KWF | β | Waterfall Seaplane BaseWaterfall | Waterfall |
| KWK | PAGG | Kwigillingok AirportKwigillingok | Kwigillingok |
| KWN | PAQH | Quinhagak AirportQuinhagak | Quinhagak |
| KWP | β | West Point Village Seaplane BaseWest Point | West Point |
| KWT | PFKW | Kwethluk AirportKwethluk | Kwethluk |
| KXA | β | Kasaan Seaplane BaseKasaan | Kasaan |
| KYK | PAKY | Karluk AirportKarluk | Karluk |
| KYO | β | Tampa North Aero Park AirportTampa | Tampa |
| KYU | PFKU | Koyukuk AirportKoyukuk | Koyukuk |
| KZB | β | Zachar Bay Seaplane BaseZachar Bay | Zachar Bay |
| LAA | KLAA | Southeast Colorado Regional AirportLamar | Lamar |
| LAF | KLAF | Purdue University AirportWest Lafayette | West Lafayette |
| LAL | KLAL | Lakeland Linder International AirportLakeland | Lakeland |
| LAM | KLAM | Los Alamos AirportLos Alamos | Los Alamos |
| LAN | KLAN | Capital Region International AirportLansing | Lansing |
| LAR | KLAR | Laramie Regional AirportLaramie | Laramie |
| LAS | KLAS | Harry Reid International Airport Live camLas Vegas | Las Vegas |
| LAW | KLAW | Lawton Fort Sill Regional AirportLawton | Lawton |
| LAX | KLAX | Los Angeles International Airport Live camLos Angeles | Los Angeles |
| LBB | KLBB | Lubbock Preston Smith International AirportLubbock | Lubbock |
| LBE | KLBE | Arnold Palmer Regional AirportLatrobe | Latrobe |
| LBF | KLBF | North Platte Regional Airport Lee Bird FieldNorth Platte | North Platte |
| LBL | KLBL | Liberal Mid-America Regional AirportLiberal | Liberal |
| LBT | KLBT | Lumberton Regional AirportLumberton | Lumberton |
| LCH | KLCH | Lake Charles Regional AirportLake Charles | Lake Charles |
| LCI | KLCI | Laconia Municipal AirportLaconia / Gilford | Laconia / Gilford |
| LCK | KLCK | Rickenbacker International AirportColumbus | Columbus |
| LCQ | KLCQ | Lake City Gateway AirportLake City | Lake City |
| LDJ | KLDJ | Linden AirportLinden | Linden |
| LDM | KLDM | Mason County AirportLudington | Ludington |
| LEB | KLEB | Lebanon Municipal AirportLebanon | Lebanon |
| LEE | KLEE | Leesburg International AirportLeesburg | Leesburg |
| LEM | KLEM | Lemmon Municipal AirportLemmon | Lemmon |
| LEW | KLEW | Auburn Lewiston Municipal AirportAuburn/Lewiston | Auburn/Lewiston |
| LEX | KLEX | Blue Grass AirportLexington | Lexington |
| LFI | KLFI | Langley Air Force BaseHampton | Hampton |
| LFK | KLFK | Angelina County AirportLufkin | Lufkin |
| LFN | KLHZ | Triangle North Executive AirportLouisburg | Louisburg |
| LFT | KLFT | Lafayette Regional AirportLafayette | Lafayette |
| LGA | KLGA | LaGuardia Airport Live camNew York | New York |
| LGB | KLGB | Long Beach International AirportLong Beach | Long Beach |
| LGC | KLGC | LaGrange Callaway AirportLaGrange | LaGrange |
| LGD | KLGD | La Grande/Union County AirportLa Grande | La Grande |
| LGF | KLGF | Laguna Army AirfieldYuma Proving Ground(Yuma) | Yuma Proving Ground(Yuma) |
| LGU | KLGU | Logan-Cache AirportLogan | Logan |
| LHV | KLHV | William T. Piper Memorial AirportLock Haven | Lock Haven |
| LIC | KLIC | Limon Municipal AirportLimon | Limon |
| LIH | PHLI | Lihue AirportLihue, Kauai | Lihue, Kauai |
| LIT | KLIT | Bill & Hillary Clinton National Airport/Adams FieldLittle Rock | Little Rock |
| LIV | β | Livengood Camp AirportLivengood | Livengood |
| LIY | KLHW | MidCoast Regional Airport at Wright Army AirfieldHinesville | Hinesville |
| LIZ | β | Loring International AirportLimestone | Limestone |
| LJN | KLBX | Texas Gulf Coast Regional AirportAngleton | Angleton |
| LKE | β | Kenmore Air Harbor Seaplane BaseSeattle | Seattle |
| LKK | PAKL | Kulik Lake AirportKulik Lake | Kulik Lake |
| LKP | KLKP | Lake Placid AirportLake Placid | Lake Placid |
| LKV | KLKV | Lake County AirportLakeview | Lakeview |
| LLX | KCDA | Caledonia County AirportLyndonville | Lyndonville |
| LLY | KVAY | South Jersey Regional AirportLumberton | Lumberton |
| LMA | PAMH | Minchumina AirportMinchumina | Minchumina |
| LMS | KLMS | Louisville Winston County AirportLouisville | Louisville |
| LMT | KLMT | Crater Lake-Klamath Regional AirportKlamath Falls | Klamath Falls |
| LNA | KLNA | Palm Beach County Park AirportWest Palm Beach | West Palm Beach |
| LND | KLND | Hunt FieldLander | Lander |
| LNI | PALN | Point Lonely Short Range Radar Site AirfieldPoint Lonely | Point Lonely |
| LNK | KLNK | Lincoln AirportLincoln | Lincoln |
| LNN | KLNN | Lake County Executive AirportWilloughby | Willoughby |
| LNP | KLNP | Lonesome Pine AirportWise | Wise |
| LNR | KLNR | Tri-County Regional AirportSpring Green | Spring Green |
| LNS | KLNS | Lancaster AirportLancaster | Lancaster |
| LNY | PHNY | Lanai AirportLanai City | Lanai City |
| LOL | KLOL | Derby FieldLovelock | Lovelock |
| LOR | β | Lowe AHP (Fort Rucker) HeliportFort Rucker Ozark | Fort Rucker Ozark |
| LOT | KLOT | Lewis University AirportChicago/Romeoville | Chicago/Romeoville |
| LOU | KLOU | Bowman FieldLouisville | Louisville |
| LOW | KLKU | Louisa County Airport / Freeman FieldLouisa | Louisa |
| LOZ | KLOZ | London-Corbin Airport/Magee FieldLondon | London |
| LPC | KLPC | Lompoc AirportLompoc | Lompoc |
| LPO | KPPO | La Porte Municipal AirportLa Porte | La Porte |
| LPS | β | Lopez Island AirportLopez | Lopez |
| LQK | KLQK | Pickens County AirportPickens | Pickens |
| LRD | KLRD | Laredo International AirportLaredo | Laredo |
| LRF | KLRF | Little Rock Air Force BaseJacksonville | Jacksonville |
| LRJ | KLRJ | Le Mars Municipal AirportLe Mars | Le Mars |
| LRU | KLRU | Las Cruces International AirportLas Cruces | Las Cruces |
| LSB | KLSB | Lordsburg Municipal AirportLordsburg | Lordsburg |
| LSE | KLSE | La Crosse Regional AirportLa Crosse | La Crosse |
| LSF | KLSF | Lawson Army Air FieldFort Benning | Fort Benning |
| LSK | KLSK | Lusk Municipal AirportLusk | Lusk |
| LSN | KLSN | Los Banos Municipal AirportLos Banos | Los Banos |
| LSV | KLSV | Nellis Air Force BaseLas Vegas | Las Vegas |
| LTS | KLTS | Altus Air Force BaseAltus | Altus |
| LTW | β | St. Mary's County Regional AirportCalifornia | California |
| LUF | KLUF | Luke Air Force BaseGlendale | Glendale |
| LUK | KLUK | Cincinnati Municipal Airport Lunken FieldCincinnati | Cincinnati |
| LUL | KLUL | Hesler Noble FieldLaurel | Laurel |
| LUP | PHLU | Kalaupapa AirportKalaupapa | Kalaupapa |
| LUR | PALU | Cape Lisburne LRRS AirportCape Lisburne | Cape Lisburne |
| LVD | β | Lime Village AirportLime Village | Lime Village |
| LVK | KLVK | Livermore Municipal AirportLivermore | Livermore |
| LVL | KLVL | Brunswick Municipal AirportLawrenceville | Lawrenceville |
| LVM | KLVM | Mission FieldLivingston | Livingston |
| LVS | KLVS | Las Vegas Municipal AirportLas Vegas | Las Vegas |
| LWB | KLWB | Greenbrier Valley AirportLewisburg | Lewisburg |
| LWC | KLWC | Lawrence Municipal AirportLawrence | Lawrence |
| LWL | KLWL | Wells Municipal Airport/Harriet FieldWells | Wells |
| LWM | KLWM | Lawrence Municipal AirportLawrence | Lawrence |
| LWS | KLWS | Lewiston Nez Perce County AirportLewiston | Lewiston |
| LWT | KLWT | Lewistown Municipal AirportLewistown | Lewistown |
| LWV | KLWV | Lawrenceville Vincennes International AirportLawrenceville | Lawrenceville |
| LXN | KLXN | Jim Kelly FieldLexington | Lexington |
| LXV | KLXV | Lake County AirportLeadville | Leadville |
| LYH | KLYH | Lynchburg Regional Airport - Preston Glenn FieldLynchburg | Lynchburg |
| LYO | KLYO | Lyons-Rice County Municipal AirportLyons | Lyons |
| LYU | KELO | Ely Municipal AirportEly | Ely |
| LZU | KLZU | Gwinnett County Briscoe FieldLawrenceville | Lawrenceville |
| MAC | KMAC | Macon Downtown AirportMacon | Macon |
| MAE | KMAE | Madera Municipal AirportMadera | Madera |
| MAF | KMAF | Midland International Air and Space PortMidland | Midland |
| MAW | KMAW | Malden Regional AirportMalden | Malden |
| MBG | KMBG | Mobridge Municipal AirportMobridge | Mobridge |
| MBL | KMBL | Manistee County Blacker AirportManistee | Manistee |
| MBS | KMBS | MBS International AirportFreeland | Freeland |
| MBY | KMBY | Omar N Bradley AirportMoberly | Moberly |
| MCB | KMCB | McComb-Pike County Airport / John E Lewis FieldMcComb | McComb |
| MCC | KMCC | McClellan AirfieldSacramento | Sacramento |
| MCD | KMCD | Mackinac Island AirportMackinac Island | Mackinac Island |
| MCE | KMCE | Merced Regional Macready FieldMerced | Merced |
| MCF | KMCF | MacDill Air Force BaseTampa | Tampa |
| MCG | PAMC | McGrath AirportMcGrath | McGrath |
| MCI | KMCI | Kansas City International AirportKansas City | Kansas City |
| MCK | KMCK | McCook Ben Nelson Regional AirportMcCook | McCook |
| MCL | PAIN | Denali National Park AirportDenali Park | Denali Park |
| MCN | KMCN | Middle Georgia Regional AirportMacon | Macon |
| MCO | KMCO | Orlando International AirportOrlando | Orlando |
| MCW | KMCW | Mason City Municipal AirportMason City | Mason City |
| MDA | β | Martindale Army HeliportSan Antonio | San Antonio |
| MDD | KMDD | Midland AirparkMidland | Midland |
| MDF | KMDZ | Taylor County AirportMedford | Medford |
| MDH | KMDH | Southern Illinois AirportMurphysboro | Murphysboro |
| MDJ | β | Madras Municipal AirportMadras | Madras |
| MDN | KIMS | Madison Regional AirportMadison | Madison |
| MDO | PAMD | Middleton Island AirportMiddleton Island | Middleton Island |
| MDT | KMDT | Harrisburg International AirportHarrisburg | Harrisburg |
| MDW | KMDW | Chicago Midway International Airport Live camChicago | Chicago |
| MEI | KMEI | Key Field / Meridian Regional AirportMeridian | Meridian |
| MEJ | KGKJ | Port Meadville AirportMeadville | Meadville |
| MEM | KMEM | Frederick W. Smith International AirportMemphis | Memphis |
| MEO | KMQI | Dare County Regional AirportManteo | Manteo |
| MER | KMER | Castle AirportMerced | Merced |
| MEV | KMEV | Minden-Tahoe AirportMinden | Minden |
| MFD | KMFD | Mansfield Lahm Regional AirportMansfield | Mansfield |
| MFE | KMFE | McAllen Miller International AirportMcAllen | McAllen |
| MFH | β | Mesquite AirportMesquite | Mesquite |
| MFI | KMFI | Marshfield Municipal AirportMarshfield | Marshfield |
| MFR | KMFR | Rogue Valley International-Medford AirportMedford | Medford |
| MFV | KMFV | Accomack County AirportMelfa | Melfa |
| MGC | KMGC | Michigan City Municipal AirportMichigan City | Michigan City |
| MGE | KMGE | Dobbins Air Reserve BaseMarietta | Marietta |
| MGI | β | National Wildlife Refuge AirportMatagorda Island | Matagorda Island |
| MGJ | KMGJ | Orange County AirportMontgomery | Montgomery |
| MGM | KMGM | Montgomery Regional (Dannelly Field) AirportMontgomery | Montgomery |
| MGR | KMGR | Moultrie Municipal AirportMoultrie | Moultrie |
| MGW | KMGW | Morgantown Municipal Airport Walter L. (Bill) Hart FieldMorgantown | Morgantown |
| MGY | KMGY | Dayton-Wright Brothers AirportDayton | Dayton |
| MHE | KMHE | Mitchell Municipal AirportMitchell | Mitchell |
| MHK | KMHK | Manhattan Regional AirportManhattan | Manhattan |
| MHL | KMHL | Marshall Memorial Municipal AirportMarshall | Marshall |
| MHN | β | Hooker County AirportMullen | Mullen |
| MHR | KMHR | Sacramento Mather AirportSacramento | Sacramento |
| MHS | β | Dunsmuir Muni-Mott AirportDunsmuir | Dunsmuir |
| MHT | KMHT | Manchester-Boston Regional AirportManchester | Manchester |
| MHV | KMHV | Mojave Air & Space PortMojave | Mojave |
| MIA | KMIA | Miami International Airport Live camMiami | Miami |
| MIB | KMIB | Minot Air Force BaseMinot | Minot |
| MIC | KMIC | Crystal AirportMinneapolis | Minneapolis |
| MIE | KMIE | Delaware County Johnson FieldMuncie | Muncie |
| MIF | β | Roy Hurd Memorial AirportMonahans | Monahans |
| MIO | KMIO | Miami Municipal AirportMiami | Miami |
| MIQ | KMLE | Millard AirportOmaha | Omaha |
| MIT | KMIT | Shafter Airport - Minter FieldShafter | Shafter |
| MIV | KMIV | Millville Municipal AirportMillville | Millville |
| MIW | KMIW | Marshalltown Municipal AirportMarshalltown | Marshalltown |
| MJQ | KMJQ | Jackson Municipal AirportJackson | Jackson |
| MJX | KMJX | Ocean County AirportToms River | Toms River |
| MKC | KMKC | Charles B. Wheeler Downtown AirportKansas City | Kansas City |
| MKE | KMKE | General Mitchell International Airport Live camMilwaukee | Milwaukee |
| MKG | KMKG | Muskegon County AirportMuskegon | Muskegon |
| MKK | PHMK | Molokai AirportKaunakakai | Kaunakakai |
| MKL | KMKL | McKellar-Sipes Regional AirportJackson | Jackson |
| MKO | KMKO | Muskogee-Davis Regional AirportMuskogee | Muskogee |
| MKT | KMKT | Mankato Regional AirportMankato | Mankato |
| MLB | KMLB | Melbourne Orlando International AirportMelbourne | Melbourne |
| MLC | KMLC | Mc Alester Regional AirportMc Alester | Mc Alester |
| MLD | KMLD | Malad City AirportMalad City | Malad City |
| MLF | KMLF | Milford Municipal-Ben and Judy Briscoe FieldMilford | Milford |
| MLI | KMLI | Quad City International AirportMoline | Moline |
| MLJ | KMLJ | Baldwin County Regional AirportMilledgeville | Milledgeville |
| MLK | β | Malta AirportMalta | Malta |
| MLL | PADM | Marshall Don Hunter Sr AirportMarshall | Marshall |
| MLS | KMLS | Miles City Airport - Frank Wiley FieldMiles City | Miles City |
| MLT | KMLT | Millinocket Municipal AirportMillinocket | Millinocket |
| MLU | KMLU | Monroe Regional AirportMonroe | Monroe |
| MLY | PAML | Manley Hot Springs AirportManley Hot Springs | Manley Hot Springs |
| MMH | KMMH | Mammoth Yosemite AirportMammoth Lakes | Mammoth Lakes |
| MMI | KMMI | McMinn County AirportAthens | Athens |
| MML | KMML | Southwest Minnesota Regional Airport - Marshall/Ryan FieldMarshall | Marshall |
| MMN | β | Minute Man Air FieldStow | Stow |
| MMS | KMMS | Selfs AirportMarks | Marks |
| MMT | KMMT | Mc Entire Joint National Guard BaseEastover | Eastover |
| MMU | KMMU | Morristown Municipal AirportMorristown | Morristown |
| MNM | KMNM | MenomineeβMarinette Twin County AirportMenominee | Menominee |
| MNN | KMNN | Marion Municipal AirportMarion | Marion |
| MNT | β | Minto Al Wright AirportMinto | Minto |
| MNZ | KHEF | Washington Manassas Harry P. Davis FieldManassas | Manassas |
| MOB | KMOB | Mobile Regional AirportMobile | Mobile |
| MOD | KMOD | Modesto City Co-Harry Sham FieldModesto | Modesto |
| MOP | KMOP | Mount Pleasant Municipal AirportMount Pleasant | Mount Pleasant |
| MOR | KMOR | Morristown Regional AirportMorristown | Morristown |
| MOS | β | Moses Point AirportElim | Elim |
| MOT | KMOT | Minot International AirportMinot | Minot |
| MOU | PAMO | Mountain Village AirportMountain Village | Mountain Village |
| MOX | KMOX | Morris Municipal Airport Charlie Schmidt FieldMorris | Morris |
| MPB | β | Miami Seaplane BaseMiami | Miami |
| MPJ | KMPJ | Petit Jean Park AirportMorrilton | Morrilton |
| MPO | KMPO | Pocono Mountains Municipal AirportMount Pocono | Mount Pocono |
| MPR | KMPR | Mc Pherson AirportMc Pherson | Mc Pherson |
| MPS | KOSA | Mount Pleasant Regional AirportMount Pleasant | Mount Pleasant |
| MPV | KMPV | Edward F Knapp State AirportBarre/Montpelier | Barre/Montpelier |
| MPZ | KMPZ | Mount Pleasant Municipal AirportMount Pleasant | Mount Pleasant |
| MQB | KMQB | Macomb Municipal AirportMacomb | Macomb |
| MQT | KSAW | Marquette Sawyer Regional AirportGwinn | Gwinn |
| MQW | KMQW | Telfair Wheeler AirportMc Rae | Mc Rae |
| MQY | KMQY | Smyrna AirportSmyrna | Smyrna |
| MRB | KMRB | Eastern WV Regional Airport/Shepherd FieldMartinsburg | Martinsburg |
| MRC | KMRC | Maury County AirportColumbia/Mount Pleasant | Columbia/Mount Pleasant |
| MRF | KMRF | Marfa Municipal AirportMarfa | Marfa |
| MRI | PAMR | Merrill FieldAnchorage | Anchorage |
| MRK | KMKY | Marco Island Executive AirportMarco Island | Marco Island |
| MRN | KMRN | Foothills Regional AirportMorganton | Morganton |
| MRY | KMRY | Monterey Regional AirportMonterey | Monterey |
| MSC | KFFZ | Falcon FieldMesa | Mesa |
| MSL | KMSL | Northwest Alabama Regional AirportMuscle Shoals | Muscle Shoals |
| MSN | KMSN | Dane County Regional Truax FieldMadison | Madison |
| MSO | KMSO | Missoula Montana AirportMissoula | Missoula |
| MSP | KMSP | MinneapolisβSaint Paul International Airport / WoldβChamberlain FieldMinneapolis | Minneapolis |
| MSS | KMSS | Massena International Airport Richards FieldMassena | Massena |
| MSV | KMSV | Sullivan County International AirportMonticello | Monticello |
| MSY | KMSY | Louis Armstrong New Orleans International Airport Live camNew Orleans | New Orleans |
| MTC | KMTC | Selfridge Air National Guard Base AirportMount Clemens | Mount Clemens |
| MTH | KMTH | Florida Keys Marathon International AirportMarathon | Marathon |
| MTJ | KMTJ | Montrose Regional AirportMontrose | Montrose |
| MTM | PAMM | Metlakatla Seaplane BaseMetlakatla | Metlakatla |
| MTN | KMTN | Martin State AirportBaltimore | Baltimore |
| MTO | KMTO | Coles County Memorial AirportMattoon | Mattoon |
| MTP | KMTP | Montauk AirportMontauk | Montauk |
| MTW | KMTW | Manitowoc County AirportManitowoc | Manitowoc |
| MTX | β | Metro FieldFairbanks | Fairbanks |
| MUE | PHMU | Waimea Kohala AirportWaimea (Kamuela) | Waimea (Kamuela) |
| MUI | KMUI | Muir Army Air Field (Fort Indiantown Gap) AirportFort Indiantown Gap(Annville) | Fort Indiantown Gap(Annville) |
| MUL | KMUL | Spence AirportMoultrie | Moultrie |
| MUO | KMUO | Mountain Home Air Force BaseMountain Home | Mountain Home |
| MUT | KMUT | Muscatine Municipal AirportMuscatine | Muscatine |
| MVC | KMVC | Monroe County Aeroplex AirportMonroeville | Monroeville |
| MVE | KMVE | Montevideo Chippewa County AirportMontevideo | Montevideo |
| MVL | KMVL | Morrisville-Stowe State AirportMorrisville | Morrisville |
| MVM | β | Kayenta AirportKayenta | Kayenta |
| MVN | KMVN | Mount Vernon Outland AirportMount Vernon | Mount Vernon |
| MVW | KBVS | Skagit Regional AirportBurlington | Burlington |
| MVY | KMVY | Martha's Vineyard AirportMartha's Vineyard | Martha's Vineyard |
| MWA | KMWA | Veterans Airport of Southern IllinoisMarion | Marion |
| MWC | KMWC | Lawrence J Timmerman AirportMilwaukee | Milwaukee |
| MWH | KMWH | Grant County International AirportMoses Lake | Moses Lake |
| MWL | KMWL | Mineral Wells Regional AirportMineral Wells | Mineral Wells |
| MWM | KMWM | Windom Municipal AirportWindom | Windom |
| MWO | KMWO | Middletown Regional AirportMiddletown | Middletown |
| MXA | KMXA | Manila Municipal AirportManila | Manila |
| MXC | β | Monticello AirportMonticello | Monticello |
| MXE | KMEB | Laurinburg Maxton AirportMaxton | Maxton |
| MXF | KMXF | Maxwell Air Force BaseMontgomery | Montgomery |
| MXO | KMXO | Monticello Regional AirportMonticello | Monticello |
| MXY | PAMX | Mc Carthy AirportMccarthy | Mccarthy |
| MYF | KMYF | Montgomery-Gibbs Executive AirportSan Diego | San Diego |
| MYH | β | Marble Canyon AirportMarble Canyon | Marble Canyon |
| MYK | β | May Creek AirportMay Creek | May Creek |
| MYL | KMYL | McCall Municipal AirportMcCall | McCall |
| MYR | KMYR | Myrtle Beach International AirportMyrtle Beach | Myrtle Beach |
| MYU | PAMY | Mekoryuk AirportMekoryuk | Mekoryuk |
| MYV | KMYV | Yuba County AirportMarysville | Marysville |
| MZJ | KMZJ | Pinal AirparkMarana | Marana |
| MZZ | KMZZ | Marion Municipal AirportMarion | Marion |
| NBG | KNBG | New Orleans NAS JRB/Alvin Callender FieldNew Orleans | New Orleans |
| NCN | PFCB | Chenega Bay AirportChenega | Chenega |
| NCO | KOQU | Quonset State AirportNorth Kingstown | North Kingstown |
| NEL | KNEL | Lakehurst Maxfield Field AirportLakehurst | Lakehurst |
| NEN | KNEN | Whitehouse Naval Outlying FieldJacksonville | Jacksonville |
| NEW | KNEW | Lakefront AirportNew Orleans | New Orleans |
| NFL | KNFL | Fallon Naval Air StationFallon | Fallon |
| NGF | PHNG | Kaneohe Bay MCAS (Marion E. Carl Field) AirportKaneohe | Kaneohe |
| NGP | KNGP | Naval Air Station Corpus Christi Truax FieldCorpus Christi | Corpus Christi |
| NGU | KNGU | Norfolk Naval Station (Chambers Field)Norfolk | Norfolk |
| NGW | KNGW | Cabaniss Field Naval Outlying Landing FieldCorpus Christi | Corpus Christi |
| NHK | KNHK | Patuxent River Naval Air Station (Trapnell Field)Patuxent River | Patuxent River |
| NHX | KNBJ | Naval Outlying Field BarinFoley | Foley |
| NHZ | KBXM | Brunswick Executive AirportBrunswick | Brunswick |
| NIB | PAFS | Nikolai AirportNikolai | Nikolai |
| NIN | β | Ninilchik AirportNinilchik | Ninilchik |
| NIP | KNIP | Jacksonville Naval Air Station (Towers Field)Jacksonville | Jacksonville |
| NIR | β | Chase Field Industrial AirportBeeville | Beeville |
| NJK | KNJK | El Centro NAF Airport (Vraciu Field)El Centro | El Centro |
| NKI | β | Naukati Bay Seaplane BaseTuxekan Island | Tuxekan Island |
| NKX | KNKX | Miramar Marine Corps Air Station - Mitscher FieldSan Diego | San Diego |
| NLC | KNLC | Lemoore Naval Air Station (Reeves Field) AirportLemoore | Lemoore |
| NLE | β | Jerry Tyler Memorial AirportNiles | Niles |
| NLG | PAOU | Nelson Lagoon AirportNelson Lagoon | Nelson Lagoon |
| NLN | β | Kneeland AirportKneeland | Kneeland |
| NME | PAGT | Nightmute AirportNightmute | Nightmute |
| NNK | β | Naknek AirportNaknek | Naknek |
| NNL | PANO | Nondalton AirportNondalton | Nondalton |
| NOT | KDVO | Marin County Airport - Gnoss FieldNovato | Novato |
| NPA | KNPA | Naval Air Station Pensacola Forrest Sherman FieldPensacola | Pensacola |
| NPH | β | J. Randy McKnight Nephi Municipal AirportNephi | Nephi |
| NPT | KUUU | Newport State AirportNewport | Newport |
| NQA | KNQA | Millington-Memphis AirportMillington | Millington |
| NQI | KNQI | Kingsville Naval Air StationKingsville | Kingsville |
| NQX | KNQX | Naval Air Station Key West/Boca Chica FieldKey West | Key West |
| NRB | KNRB | Naval Station Mayport / Admiral David L McDonald FieldJacksonville | Jacksonville |
| NRI | β | Grand Lake Regional AirportAfton | Afton |
| NRS | KNRS | Naval Outlying Field Imperial Beach (Ream Field)Imperial Beach | Imperial Beach |
| NSE | KNSE | Whiting Field Naval Air Station - NorthMilton | Milton |
| NSL | KDVP | Slayton Municipal AirportSlayton | Slayton |
| NTD | KNTD | Point Mugu Naval Air Station (Naval Base Ventura Co)Point Mugu | Point Mugu |
| NTJ | β | Manti-Ephraim AirportManti | Manti |
| NTU | KNTU | Oceana Naval Air StationVirginia Beach | Virginia Beach |
| NUI | PAQT | Nuiqsut AirportNuiqsut | Nuiqsut |
| NUL | PANU | Nulato AirportNulato | Nulato |
| NUP | PPIT | Nunapitchuk AirportNunapitchuk | Nunapitchuk |
| NUQ | KNUQ | Moffett Federal AirfieldMountain View | Mountain View |
| NUW | KNUW | Whidbey Island Naval Air Station (Ault Field)Oak Harbor | Oak Harbor |
| NVD | KNVD | Nevada Municipal AirportNevada | Nevada |
| NVN | β | Nervino AirportBeckwourth | Beckwourth |
| NWH | β | Parlin FieldNewport | Newport |
| NYG | KNYG | Quantico Marine Corps Airfield / Turner FieldQuantico | Quantico |
| NYS | β | New York Skyports Inc Seaplane BaseNew York | New York |
| NZY | KNZY | North Island Naval Air Station-Halsey FieldSan Diego | San Diego |
| OAJ | KOAJ | Albert J Ellis AirportRichlands | Richlands |
| OAK | KOAK | Oakland San Francisco Bay AirportOakland | Oakland |
| OAR | KOAR | Marina Municipal AirportMarina | Marina |
| OBE | KOBE | Okeechobee County AirportOkeechobee | Okeechobee |
| OBU | PAOB | Kobuk AirportKobuk | Kobuk |
| OCA | β | Ocean Reef Club AirportKey Largo | Key Largo |
| OCE | KOXB | Ocean City Municipal AirportOcean City | Ocean City |
| OCF | KOCF | Ocala International Airport - Jim Taylor FieldOcala | Ocala |
| OCH | KOCH | A L Mangham Jr. Regional AirportNacogdoches | Nacogdoches |
| OCN | KOKB | Oceanside Municipal AirportOceanside | Oceanside |
| OCW | KOCW | Warren FieldWashington | Washington |
| ODC | β | Oakdale AirportOakdale | Oakdale |
| ODM | β | Garrett County AirportAccident | Accident |
| ODT | β | Odessa Schlemeyer FieldOdessa | Odessa |
| ODW | KOKH | AJ Eisenberg AirportOak Harbor | Oak Harbor |
| OEA | β | O'Neal AirportLawrenceville | Lawrenceville |
| OEO | KOEO | L O Simenstad Municipal AirportOsceola | Osceola |
| OFF | KOFF | Offutt Air Force BaseOmaha | Omaha |
| OFK | KOFK | Karl Stefan Memorial AirportNorfolk | Norfolk |
| OGA | KOGA | Ogallala Municipal Airport Searle FieldOgallala | Ogallala |
| OGB | KOGB | Orangeburg Municipal AirportOrangeburg | Orangeburg |
| OGD | KOGD | Ogden Hinckley AirportOgden | Ogden |
| OGG | PHOG | Kahului International AirportKahului | Kahului |
| OGS | KOGS | Ogdensburg International AirportOgdensburg | Ogdensburg |
| OIC | KOIC | Lt Warren Eaton AirportNorwich | Norwich |
| OJC | KOJC | Johnson County Executive AirportOlathe | Olathe |
| OKC | KOKC | OKC Will Rogers World AirportOklahoma City | Oklahoma City |
| OKK | KOKK | Kokomo Municipal AirportKokomo | Kokomo |
| OKM | KOKM | Okmulgee Regional AirportOkmulgee | Okmulgee |
| OKS | KOKS | Garden County Airport/King Rhiley FieldOshkosh | Oshkosh |
| OLD | KOLD | Dewitt Field - Old Town Municipal AirportOld Town | Old Town |
| OLE | KOLE | Cattaraugus County-Olean AirportOlean | Olean |
| OLF | KOLF | L M Clayton AirportWolf Point | Wolf Point |
| OLH | β | Old Harbor AirportOld Harbor | Old Harbor |
| OLM | KOLM | Olympia Regional AirportOlympia | Olympia |
| OLS | KOLS | Nogales International AirportNogales | Nogales |
| OLU | KOLU | Columbus Municipal AirportColumbus | Columbus |
| OLV | KOLV | Olive Branch AirportOlive Branch | Olive Branch |
| OLY | KOLY | Olney Noble AirportOlney-Noble | Olney-Noble |
| OMA | KOMA | Eppley AirfieldOmaha | Omaha |
| OME | PAOM | Nome AirportNome | Nome |
| OMK | KOMK | Omak AirportOmak | Omak |
| ONA | KONA | Winona Municipal Airport Max Conrad FieldWinona | Winona |
| ONH | β | Albert S Nader Regional AirportOneonta | Oneonta |
| ONL | KONL | O'Neill Municipal AirportβJohn L Baker FieldO'Neill | O'Neill |
| ONM | KONM | Socorro Municipal AirportSocorro | Socorro |
| ONO | KONO | Ontario Municipal AirportOntario | Ontario |
| ONP | KONP | Newport Municipal AirportNewport | Newport |
| ONT | KONT | Ontario International AirportOntario | Ontario |
| ONY | KONY | Olney Municipal AirportOlney | Olney |
| OOA | KOOA | Oskaloosa Municipal AirportCedar | Cedar |
| OOK | PAOO | Toksook Bay AirportToksook Bay | Toksook Bay |
| OPF | KOPF | Miami-Opa Locka Executive AirportMiami | Miami |
| OPL | KOPL | St Landry Parish Ahart FieldOpelousas | Opelousas |
| ORD | KORD | Chicago O'Hare International AirportChicago | Chicago |
| ORF | KORF | Norfolk International AirportNorfolk | Norfolk |
| ORH | KORH | Worcester Regional AirportWorcester | Worcester |
| ORI | β | Port Lions AirportPort Lions | Port Lions |
| ORL | KORL | Orlando Executive AirportOrlando | Orlando |
| ORT | PAOR | Northway AirportNorthway | Northway |
| ORV | PFNO | Robert (Bob) Curtis Memorial AirportNoorvik | Noorvik |
| OSB | β | Grand Glaize Osage Beach AirportOsage Beach | Osage Beach |
| OSC | KOSC | Oscoda Wurtsmith AirportOscoda | Oscoda |
| OSH | KOSH | Wittman Regional AirportOshkosh | Oshkosh |
| OSU | KOSU | The Ohio State University Airport - Don Scott FieldColumbus | Columbus |
| OSX | KOSX | Kosciusko Attala County AirportKosciusko | Kosciusko |
| OTG | KOTG | Worthington Municipal AirportWorthington | Worthington |
| OTH | KOTH | Southwest Oregon Regional AirportNorth Bend | North Bend |
| OTK | KTMK | Tillamook AirportTillamook | Tillamook |
| OTM | KOTM | Ottumwa Regional AirportOttumwa | Ottumwa |
| OTN | β | Ed-Air AirportOaktown | Oaktown |
| OTS | β | Anacortes AirportAnacortes | Anacortes |
| OTZ | PAOT | Ralph Wien Memorial AirportKotzebue | Kotzebue |
| OUN | KOUN | University of Oklahoma Westheimer AirportNorman | Norman |
| OVE | KOVE | Oroville Municipal AirportOroville | Oroville |
| OWA | KOWA | Owatonna Degner Regional AirportOwatonna | Owatonna |
| OWB | KOWB | Owensboro Daviess County AirportOwensboro | Owensboro |
| OWD | KOWD | Norwood Memorial AirportNorwood | Norwood |
| OWK | KOWK | Central Maine/Norridgewock AirportNorridgewock | Norridgewock |
| OXC | KOXC | Waterbury Oxford AirportOxford | Oxford |
| OXD | KOXD | Miami University AirportOxford | Oxford |
| OXR | KOXR | Oxnard AirportOxnard | Oxnard |
| OZA | KOZA | Ozona Municipal AirportOzona | Ozona |
| OZR | KOZR | Cairns AAF (Fort Rucker) Air FieldFort Rucker/Ozark | Fort Rucker/Ozark |
| PAE | KPAE | Seattle Paine Field International AirportEverett | Everett |
| PAH | KPAH | Barkley Regional AirportPaducah | Paducah |
| PAK | PHPA | Port Allen AirportHanapepe | Hanapepe |
| PAM | KPAM | Tyndall Air Force BasePanama City | Panama City |
| PAO | KPAO | Palo Alto AirportPalo Alto | Palo Alto |
| PAQ | PAAQ | Warren "Bud" Woods Palmer Municipal AirportPalmer | Palmer |
| PBF | KPBF | Pine Bluff Regional Airport, Grider FieldPine Bluff | Pine Bluff |
| PBG | KPBG | Plattsburgh International AirportPlattsburgh | Plattsburgh |
| PCA | PAOC | Portage Creek AirportPortage Creek | Portage Creek |
| PCD | KPDC | Prairie Du Chien Municipal AirportPrairie Du Chien | Prairie Du Chien |
| PCT | β | Princeton AirportPrinceton/Rocky Hill | Princeton/Rocky Hill |
| PCU | β | Poplarville Pearl River County AirportPoplarville | Poplarville |
| PDB | β | Pedro Bay AirportPedro Bay | Pedro Bay |
| PDK | KPDK | DeKalb Peachtree AirportAtlanta | Atlanta |
| PDT | KPDT | Eastern Oregon Regional Airport at PendletonPendleton | Pendleton |
| PDX | KPDX | Portland International AirportPortland | Portland |
| PEC | β | Pelican Seaplane BasePelican | Pelican |
| PEQ | KPEQ | Pecos Municipal AirportPecos | Pecos |
| PFC | KPFC | Pacific City State AirportPacific City | Pacific City |
| PGA | KPGA | Page Municipal AirportPage | Page |
| PGC | β | Grant County AirportPetersburg | Petersburg |
| PGD | KPGD | Punta Gorda AirportPunta Gorda | Punta Gorda |
| PGL | KPQL | Trent Lott International AirportPascagoula | Pascagoula |
| PGM | β | Port Graham AirportPort Graham | Port Graham |
| PGO | KPSO | Stevens FieldPagosa Springs | Pagosa Springs |
| PGR | KPGR | Kirk FieldParagould | Paragould |
| PGS | β | Grand Canyon Caverns AirportPeach Springs | Peach Springs |
| PGV | KPGV | Pitt-Greenville AirportGreenville | Greenville |
| PHD | KPHD | Harry Clever FieldNew Philadelphia | New Philadelphia |
| PHF | KPHF | Newport News Williamsburg International AirportNewport News | Newport News |
| PHK | KPHK | Palm Beach County Glades AirportPahokee | Pahokee |
| PHL | KPHL | Philadelphia International AirportPhiladelphia | Philadelphia |
| PHN | KPHN | St Clair County International AirportPort Huron | Port Huron |
| PHO | PAPO | Point Hope AirportPoint Hope | Point Hope |
| PHP | KPHP | Philip AirportPhilip | Philip |
| PHT | KPHT | Henry County AirportParis | Paris |
| PHX | KPHX | Phoenix Sky Harbor International AirportPhoenix | Phoenix |
| PIA | KPIA | General Wayne A. Downing Peoria International AirportPeoria | Peoria |
| PIB | KPIB | Hattiesburg Laurel Regional AirportMoselle | Moselle |
| PIE | KPIE | St. Petersburg Clearwater International AirportPinellas Park | Pinellas Park |
| PIH | KPIH | Pocatello Regional AirportPocatello | Pocatello |
| PIM | KPIM | Harris County AirportPine Mountain | Pine Mountain |
| PIP | PAPN | Pilot Point AirportPilot Point | Pilot Point |
| PIR | KPIR | Pierre Regional AirportPierre | Pierre |
| PIT | KPIT | Pittsburgh International AirportPittsburgh | Pittsburgh |
| PIZ | PPIZ | Point Lay LRRS AirportPoint Lay | Point Lay |
| PJB | KPAN | Payson AirportPayson | Payson |
| PKA | PAPK | Napaskiak AirportNapaskiak | Napaskiak |
| PKB | KPKB | Mid Ohio Valley Regional AirportParkersburg (Williamstown) | Parkersburg (Williamstown) |
| PKD | KPKD | Park Rapids Municipal Airport Konshok FieldPark Rapids | Park Rapids |
| PKF | KPKF | Park Falls Municipal AirportPark Falls | Park Falls |
| PLK | KPLK | M. Graham Clark Downtown AirportBranson / Hollister | Branson / Hollister |
| PLN | KPLN | Pellston Regional Airport of Emmet County AirportPellston | Pellston |
| PLR | KPLR | St Clair County AirportPell City | Pell City |
| PLY | β | Plymouth Municipal AirportPlymouth | Plymouth |
| PMB | KPMB | Pembina Municipal AirportPembina | Pembina |
| PMD | KPMD | Palmdale Regional Airport / USAF Plant 42 AirportPalmdale | Palmdale |
| PMH | KPMH | Greater Portsmouth Regional AirportPortsmouth | Portsmouth |
| PML | PAAL | Port Moller AirportCold Bay | Cold Bay |
| PNC | KPNC | Ponca City Regional AirportPonca City | Ponca City |
| PNE | KPNE | Northeast Philadelphia AirportPhiladelphia | Philadelphia |
| PNN | KPNN | Princeton Municipal AirportPrinceton | Princeton |
| PNS | KPNS | Pensacola International AirportPensacola | Pensacola |
| PNU | β | Panguitch Municipal AirportPanguitch | Panguitch |
| PNX | KGYI | North Texas Regional Airport Perrin FieldDenison | Denison |
| POB | KPOB | Pope FieldFort Bragg | Fort Bragg |
| POC | KPOC | Brackett FieldLa Verne | La Verne |
| POE | KPOE | Polk Army Air FieldFort Polk | Fort Polk |
| POF | KPOF | Poplar Bluff Municipal AirportPoplar Bluff | Poplar Bluff |
| POH | KPOH | Pocahontas Municipal AirportPocahontas | Pocahontas |
| POU | KPOU | Dutchess County AirportPoughkeepsie | Poughkeepsie |
| POY | KPOY | Powell Municipal AirportPowell | Powell |
| PPA | KPPA | Perry Lefors FieldPampa | Pampa |
| PPC | PAPR | Prospect Creek AirportProspect Creek | Prospect Creek |
| PPF | KPPF | Tri-City AirportParsons | Parsons |
| PPM | KPMP | Pompano Beach AirparkPompano Beach | Pompano Beach |
| PPV | β | Port Protection Seaplane BasePort Protection | Port Protection |
| PQI | KPQI | Presque Isle International AirportPresque Isle | Presque Isle |
| PQS | β | Pilot Station AirportPilot Station | Pilot Station |
| PRB | KPRB | Paso Robles Municipal AirportPaso Robles | Paso Robles |
| PRC | KPRC | Prescott Regional Airport - Ernest A. Love FieldPrescott | Prescott |
| PRO | KPRO | Perry Municipal AirportPerry | Perry |
| PRW | β | Prentice AirportPrentice | Prentice |
| PRX | KPRX | Cox FieldParis | Paris |
| PRZ | β | Prineville AirportPrineville | Prineville |
| PSB | KPSB | Mid-State Regional AirportPhilipsburg | Philipsburg |
| PSC | KPSC | Tri Cities AirportPasco | Pasco |
| PSF | KPSF | Pittsfield Municipal AirportPittsfield | Pittsfield |
| PSG | PAPG | Petersburg James A Johnson AirportPetersburg | Petersburg |
| PSK | KPSK | New River Valley AirportDublin | Dublin |
| PSM | KPSM | Portsmouth International Airport at PeasePortsmouth | Portsmouth |
| PSN | KPSN | Palestine Municipal AirportPalestine | Palestine |
| PSP | KPSP | Palm Springs International AirportPalm Springs | Palm Springs |
| PSQ | β | Philadelphia Seaplane BaseEssington | Essington |
| PSX | KPSX | Palacios Municipal AirportPalacios | Palacios |
| PTA | PALJ | Port Alsworth AirportPort Alsworth | Port Alsworth |
| PTB | KPTB | Dinwiddie County AirportPetersburg | Petersburg |
| PTC | β | Port Alice Seaplane BasePort Alice | Port Alice |
| PTD | PAAP | Port Alexander Seaplane BasePort Alexander | Port Alexander |
| PTH | PAPH | Port Heiden AirportPort Heiden | Port Heiden |
| PTK | KPTK | Oakland County International AirportPontiac | Pontiac |
| PTN | KPTN | Harry P Williams Memorial AirportPatterson | Patterson |
| PTS | KPTS | Atkinson Municipal AirportPittsburg | Pittsburg |
| PTT | KPTT | Pratt Regional AirportPratt | Pratt |
| PTU | PAPM | Platinum AirportPlatinum | Platinum |
| PTV | KPTV | Porterville Municipal AirportPorterville | Porterville |
| PTW | KPTW | Heritage FieldPottstown | Pottstown |
| PUB | KPUB | Pueblo Memorial AirportPueblo | Pueblo |
| PUC | KPUC | Carbon County Regional Airport / Buck Davis FieldPrice | Price |
| PUL | β | Port of Poulsbo Marina Moorage Seaplane BasePoulsbo | Poulsbo |
| PUW | KPUW | Pullman-Moscow Regional AirportPullman | Pullman |
| PVC | KPVC | Provincetown Municipal AirportProvincetown | Provincetown |
| PVD | KPVD | Rhode Island T. F. Green International AirportProvidence/Warwick | Providence/Warwick |
| PVF | KPVF | Placerville AirportPlacerville | Placerville |
| PVL | KPBX | Pike County Airport Hatcher FieldPikeville | Pikeville |
| PVU | KPVU | Provo Municipal AirportProvo | Provo |
| PVW | KPVW | Hale County AirportPlainview | Plainview |
| PWA | KPWA | Wiley Post AirportOklahoma City | Oklahoma City |
| PWD | KPWD | Sher-Wood AirportPlentywood | Plentywood |
| PWK | β | Chicago Executive AirportChicago/Prospect Heights/Wheeling | Chicago/Prospect Heights/Wheeling |
| PWM | KPWM | Portland International JetportPortland | Portland |
| PWR | β | Port Walter Seaplane BasePort Walter | Port Walter |
| PWT | KPWT | Bremerton National AirportBremerton | Bremerton |
| PWY | KPNA | Ralph Wenz FieldPinedale | Pinedale |
| PXL | β | Polacca AirportPolacca | Polacca |
| PYL | β | Perry Island Seaplane BasePerry Island | Perry Island |
| PYM | KPYM | Plymouth Municipal AirportPlymouth | Plymouth |
| PYS | β | Paradise Skypark AirportParadise | Paradise |
| RAC | KRAC | John H Batten AirportRacine | Racine |
| RAL | KRAL | Riverside Municipal AirportRiverside | Riverside |
| RAP | KRAP | Rapid City Regional AirportRapid City | Rapid City |
| RBD | KRBD | Dallas Executive AirportDallas | Dallas |
| RBF | β | Big Bear City AirportBig Bear | Big Bear |
| RBG | KRBG | Roseburg Regional AirportRoseburg | Roseburg |
| RBK | β | French Valley AirportMurrieta | Murrieta |
| RBL | KRBL | Red Bluff Municipal AirportRed Bluff | Red Bluff |
| RBW | KRBW | Lowcountry Regional AirportWalterboro | Walterboro |
| RBY | PARY | Ruby AirportRuby | Ruby |
| RCA | KRCA | Ellsworth Air Force BaseRapid City | Rapid City |
| RCE | β | Roche Harbor AirportRoche Harbor | Roche Harbor |
| RCK | KRCK | H H Coffield Regional AirportRockdale | Rockdale |
| RCR | KRCR | Fulton County AirportRochester | Rochester |
| RDB | PADG | Red Dog AirportRed Dog | Red Dog |
| RDD | KRDD | Redding Municipal AirportRedding | Redding |
| RDG | KRDG | Reading Regional Airport (Carl A Spaatz Field)Reading | Reading |
| RDM | KRDM | Roberts FieldRedmond | Redmond |
| RDR | KRDR | Grand Forks Air Force BaseGrand Forks | Grand Forks |
| RDU | KRDU | Raleigh-Durham International AirportRaleigh/Durham | Raleigh/Durham |
| RDV | β | Red Devil AirportRed Devil | Red Devil |
| RED | KRVL | Mifflin County AirportReedsville | Reedsville |
| REE | β | Reese AirparkLubbock | Lubbock |
| REO | KREO | Rome State AirportRome | Rome |
| RFD | KRFD | Chicago Rockford International AirportChicago/Rockford | Chicago/Rockford |
| RFG | KRFG | Rooke FieldRefugio | Refugio |
| RFK | β | Rollang FieldRolling Fork | Rolling Fork |
| RGR | β | Ranger Municipal AirportRanger | Ranger |
| RHI | KRHI | Rhinelander Oneida County AirportRhinelander | Rhinelander |
| RHV | KRHV | Reid-Hillview Airport of Santa Clara CountySan Jose | San Jose |
| RIC | KRIC | Richmond International AirportRichmond | Richmond |
| RID | KRID | Richmond Municipal AirportRichmond | Richmond |
| RIE | KRPD | Rice Lake Regional Airport - Carl's FieldRice Lake | Rice Lake |
| RIF | KRIF | Richfield Municipal AirportRichfield | Richfield |
| RIL | KRIL | Garfield County Regional AirportRifle | Rifle |
| RIR | KRIR | Flabob AirportRiverside | Riverside |
| RIV | KRIV | March Air Reserve BaseRiverside | Riverside |
| RIW | KRIW | Central Wyoming Regional AirportRiverton | Riverton |
| RKD | KRKD | Knox County Regional AirportRockland | Rockland |
| RKH | KUZA | Rock Hill - York County AirportRock Hill | Rock Hill |
| RKP | KRKP | Aransas County AirportRockport | Rockport |
| RKR | KRKR | Robert S Kerr AirportPoteau | Poteau |
| RKS | KRKS | Southwest Wyoming Regional AirportRock Springs | Rock Springs |
| RKW | KRKW | Rockwood Municipal AirportRockwood | Rockwood |
| RLA | β | Rolla Downtown AirportRolla | Rolla |
| RLD | KRLD | Richland AirportRichland | Richland |
| RME | KRME | Griffiss International AirportRome | Rome |
| RMG | KRMG | Richard B Russell AirportRome | Rome |
| RMP | PFMP | Rampart AirportRampart | Rampart |
| RMY | KMPI | Mariposa Yosemite AirportMariposa | Mariposa |
| RNC | KRNC | Warren County Memorial AirportMc Minnville | Mc Minnville |
| RND | KRND | Randolph Air Force BaseUniversal City | Universal City |
| RNH | KRNH | New Richmond Regional AirportNew Richmond | New Richmond |
| RNO | KRNO | Reno Tahoe International Airport Live camReno | Reno |
| RNT | KRNT | Renton Municipal AirportRenton | Renton |
| RNZ | KRZL | Jasper County AirportRensselaer | Rensselaer |
| ROA | KROA | RoanokeβBlacksburg Regional AirportRoanoke | Roanoke |
| ROC | KROC | Frederick Douglass Greater Rochester International AirportRochester | Rochester |
| ROF | β | Montague-Yreka Rohrer FieldMontague | Montague |
| ROG | KROG | Rogers Municipal Airport-Carter FieldRogers | Rogers |
| ROL | β | Roosevelt Municipal AirportRoosevelt | Roosevelt |
| ROW | KROW | Roswell Air Center AirportRoswell | Roswell |
| ROX | KROX | Roseau Municipal Rudy Billberg FieldRoseau | Roseau |
| RPX | KRPX | Roundup AirportRoundup | Roundup |
| RQO | β | El Reno Regional AirportEl Reno | El Reno |
| RRL | KRRL | Merrill Municipal AirportMerrill | Merrill |
| RRT | KRRT | Warroad International Memorial AirportWarroad | Warroad |
| RSH | PARS | Russian Mission AirportRussian Mission | Russian Mission |
| RSJ | β | Rosario Seaplane BaseRosario | Rosario |
| RSL | KRSL | Russell Municipal AirportRussell | Russell |
| RSN | KRSN | Ruston Regional AirportRuston | Ruston |
| RST | KRST | Rochester International AirportRochester | Rochester |
| RSW | KRSW | Southwest Florida International AirportFort Myers | Fort Myers |
| RSX | β | Rouses Point Seaplane BaseRouses Point | Rouses Point |
| RTL | β | Spirit Lake Municipal AirportOkoboji | Okoboji |
| RTN | KRTN | Raton Municipal Airport / Crews FieldRaton | Raton |
| RUI | KSRR | Sierra Blanca Regional AirportAlto | Alto |
| RUT | KRUT | Rutland - Southern Vermont Regional AirportRutland | Rutland |
| RVR | β | Green River Municipal AirportGreen River | Green River |
| RVS | KRVS | Tulsa Riverside AirportTulsa | Tulsa |
| RWF | KRWF | Redwood Falls Municipal AirportRedwood Falls | Redwood Falls |
| RWI | KRWI | Rocky Mount Wilson Regional AirportRocky Mount | Rocky Mount |
| RWL | KRWL | Rawlins Municipal Airport/Harvey FieldRawlins | Rawlins |
| RXE | KRXE | Rexburg Madison County AirportRexburg | Rexburg |
| SAA | KSAA | Shively FieldSaratoga | Saratoga |
| SAC | KSAC | Sacramento Executive AirportSacramento | Sacramento |
| SAD | KSAD | Safford Regional AirportSafford | Safford |
| SAF | KSAF | Santa Fe Municipal AirportSanta Fe | Santa Fe |
| SAN | KSAN | San Diego International AirportSan Diego | San Diego |
| SAR | KSAR | Sparta Community Airport - Hunter FieldSparta | Sparta |
| SAS | KSAS | Salton Sea AirportSalton City | Salton City |
| SAT | KSAT | San Antonio International AirportSan Antonio | San Antonio |
| SAV | KSAV | Savannah Hilton Head International AirportSavannah | Savannah |
| SBA | KSBA | Santa Barbara Municipal AirportSanta Barbara | Santa Barbara |
| SBD | KSBD | San Bernardino International AirportSan Bernardino | San Bernardino |
| SBM | KSBM | Sheboygan County Memorial AirportSheboygan | Sheboygan |
| SBN | KSBN | South Bend International AirportSouth Bend | South Bend |
| SBO | β | Salina Gunnison AirportSalina | Salina |
| SBP | KSBP | San Luis County Regional AirportSan Luis Obispo | San Luis Obispo |
| SBS | KSBS | Steamboat Springs Bob Adams FieldSteamboat Springs | Steamboat Springs |
| SBX | KSBX | Shelby AirportShelby | Shelby |
| SBY | KSBY | Salisbury Ocean City Wicomico Regional AirportSalisbury | Salisbury |
| SCB | KSCB | Scribner State AirportScribner | Scribner |
| SCC | PASC | Deadhorse AirportDeadhorse | Deadhorse |
| SCE | KUNV | State College Regional AirportState College | State College |
| SCF | KSDL | Scottsdale AirportScottsdale | Scottsdale |
| SCH | KSCH | Schenectady County AirportSchenectady | Schenectady |
| SCK | KSCK | Stockton Metropolitan AirportStockton | Stockton |
| SCM | PACM | Scammon Bay AirportScammon Bay | Scammon Bay |
| SDF | KSDF | Louisville Muhammad Ali International AirportLouisville | Louisville |
| SDM | KSDM | Brown Field Municipal AirportSan Diego | San Diego |
| SDP | PASD | Sand Point AirportSand Point | Sand Point |
| SDX | KSEZ | Sedona AirportSedona | Sedona |
| SDY | KSDY | Sidney - Richland Regional AirportSidney | Sidney |
| SEA | KSEA | SeattleβTacoma International Airport Live camSeattle | Seattle |
| SEE | KSEE | Gillespie FieldSan Diego/El Cajon | San Diego/El Cajon |
| SEF | KSEF | Sebring Regional AirportSebring | Sebring |
| SEG | KSEG | Penn Valley AirportSelinsgrove | Selinsgrove |
| SEM | KSEM | Craig FieldSelma | Selma |
| SEP | KSEP | Stephenville Clark Regional AirportStephenville | Stephenville |
| SER | KSER | Freeman Municipal AirportSeymour | Seymour |
| SFB | KSFB | Orlando Sanford International AirportOrlando | Orlando |
| SFF | KSFF | Felts FieldSpokane | Spokane |
| SFM | KSFM | Sanford Seacoast Regional AirportSanford | Sanford |
| SFO | KSFO | San Francisco International AirportSan Francisco | San Francisco |
| SFZ | KSFZ | North Central State AirportPawtucket | Pawtucket |
| SGF | KSGF | Springfield Branson National AirportSpringfield | Springfield |
| SGH | KSGH | Springfield-Beckley Municipal AirportSpringfield | Springfield |
| SGR | KSGR | Sugar Land Regional AirportHouston | Houston |
| SGT | KSGT | Stuttgart Municipal Airport / Carl Humphrey FieldStuttgart | Stuttgart |
| SGU | KSGU | St George Regional AirportSt George | St George |
| SGW | β | Saginaw Seaplane BaseSaginaw Bay | Saginaw Bay |
| SGY | PAGY | Skagway AirportSkagway | Skagway |
| SHD | KSHD | Shenandoah Valley Regional AirportWeyers Cave | Weyers Cave |
| SHG | PAGH | Shungnak AirportShungnak | Shungnak |
| SHH | PASH | Shishmaref AirportShishmaref | Shishmaref |
| SHN | KSHN | Sanderson FieldShelton | Shelton |
| SHR | KSHR | Sheridan County AirportSheridan | Sheridan |
| SHV | KSHV | Shreveport Regional AirportShreveport | Shreveport |
| SHX | PAHX | Shageluk AirportShageluk | Shageluk |
| SIK | KSIK | Sikeston Memorial Municipal AirportSikeston | Sikeston |
| SIT | PASI | Sitka Rocky Gutierrez AirportSitka | Sitka |
| SIV | KSIV | Sullivan County AirportSullivan | Sullivan |
| SIY | KSIY | Siskiyou County AirportMontague | Montague |
| SJC | KSJC | Mineta San Jose International AirportSan Jose | San Jose |
| SJN | KSJN | St Johns Industrial Air ParkSt Johns | St Johns |
| SJT | KSJT | San Angelo Regional Mathis FieldSan Angelo | San Angelo |
| SKA | KSKA | Fairchild Air Force BaseSpokane | Spokane |
| SKF | KSKF | Lackland Air Force BaseSan Antonio | San Antonio |
| SKK | PFSH | Shaktoolik AirportShaktoolik | Shaktoolik |
| SKW | PASW | Skwentna AirportSkwentna | Skwentna |
| SLB | KSLB | Storm Lake Municipal AirportStorm Lake | Storm Lake |
| SLC | KSLC | Salt Lake City International AirportSalt Lake City | Salt Lake City |
| SLE | KSLE | Salem-Willamette Valley Airport/McNary FieldSalem | Salem |
| SLG | KSLG | Smith FieldSiloam Springs | Siloam Springs |
| SLK | KSLK | Adirondack Regional AirportSaranac Lake | Saranac Lake |
| SLN | KSLN | Salina Municipal AirportSalina | Salina |
| SLO | KSLO | SalemβLeckrone AirportSalem | Salem |
| SLQ | PASL | Sleetmute AirportSleetmute | Sleetmute |
| SLR | KSLR | Sulphur Springs Municipal AirportSulphur Springs | Sulphur Springs |
| SLT | KANK | Salida Airport - Harriet Alexander FieldSalida | Salida |
| SMD | KSMD | Smith FieldFort Wayne | Fort Wayne |
| SME | KSME | Lake Cumberland Regional AirportSomerset | Somerset |
| SMF | KSMF | Sacramento International AirportSacramento | Sacramento |
| SMK | PAMK | St Michael AirportSt Michael | St Michael |
| SMN | KSMN | Lemhi County AirportSalmon | Salmon |
| SMO | KSMO | Santa Monica Municipal AirportSanta Monica | Santa Monica |
| SMU | PASP | Sheep Mountain AirportSheep Mountain | Sheep Mountain |
| SMX | KSMX | Santa Maria Public Airport Captain G Allan Hancock FieldSanta Maria | Santa Maria |
| SNA | KSNA | John Wayne Orange County International AirportSanta Ana | Santa Ana |
| SNK | KSNK | Winston FieldSnyder | Snyder |
| SNL | KSNL | Shawnee Regional AirportShawnee | Shawnee |
| SNP | PASN | St Paul Island AirportSt Paul Island | St Paul Island |
| SNS | KSNS | Salinas Municipal AirportSalinas | Salinas |
| SNY | KSNY | Sidney Municipal Airport Lloyd W Carr FieldSidney | Sidney |
| SOL | β | Solomon State FieldSolomon | Solomon |
| SOP | KSOP | Moore County AirportCarthage | Carthage |
| SOV | PASO | Seldovia AirportSeldovia | Seldovia |
| SOW | KSOW | Show Low Regional AirportShow Low | Show Low |
| SPA | KSPA | Spartanburg Downtown Memorial AirportSpartanburg | Spartanburg |
| SPF | KSPF | Black Hills Airport-Clyde Ice FieldSpearfish | Spearfish |
| SPG | KSPG | Albert Whitted AirportSt Petersburg | St Petersburg |
| SPI | KSPI | Abraham Lincoln Capital AirportSpringfield | Springfield |
| SPQ | β | Catalina Air-Sea Terminal HeliportSan Pedro | San Pedro |
| SPS | KSPS | Wichita Falls Municipal Airport / Sheppard Air Force BaseWichita Falls | Wichita Falls |
| SPW | KSPW | Spencer Municipal AirportSpencer | Spencer |
| SPZ | KASG | Springdale Municipal AirportSpringdale | Springdale |
| SQA | KIZA | Santa Ynez AirportSanta Ynez | Santa Ynez |
| SQI | KSQI | Whiteside County Airport - Joseph H Bittorf FieldRock Falls | Rock Falls |
| SQL | KSQL | San Carlos AirportSan Carlos | San Carlos |
| SQV | β | Sequim Valley AirportSequim | Sequim |
| SRC | KSRC | Searcy Municipal AirportSearcy | Searcy |
| SRQ | KSRQ | Sarasota Bradenton International AirportSarasota/Bradenton | Sarasota/Bradenton |
| SRV | β | Stony River 2 AirportStony River | Stony River |
| SRW | KRUQ | Mid-Carolina Regional AirportSalisbury | Salisbury |
| SSC | KSSC | Shaw Air Force BaseSumter | Sumter |
| SSF | KSSF | Stinson Municipal AirportSan Antonio | San Antonio |
| SSI | KSSI | St Simons Island AirportSt Simons Island | St Simons Island |
| SSW | β | Stuart Island AirparkFriday Harbor | Friday Harbor |
| STC | KSTC | Saint Cloud Regional AirportSaint Cloud | Saint Cloud |
| STE | KSTE | Stevens Point Municipal AirportStevens Point | Stevens Point |
| STG | PAPB | St George AirportSt George | St George |
| STJ | KSTJ | Rosecrans Memorial AirportSt Joseph | St Joseph |
| STK | KSTK | Sterling Municipal AirportSterling | Sterling |
| STL | KSTL | St. Louis Lambert International Airport Live camSt Louis | St Louis |
| STP | KSTP | Saint Paul Downtown Holman FieldSaint Paul | Saint Paul |
| STQ | KOYM | St Marys Municipal AirportSt Marys | St Marys |
| STS | KSTS | Charles M. Schulz Sonoma County AirportSanta Rosa | Santa Rosa |
| SUA | KSUA | Witham FieldStuart | Stuart |
| SUD | KSUD | Stroud Municipal AirportStroud | Stroud |
| SUE | KSUE | Door County Cherryland AirportSturgeon Bay | Sturgeon Bay |
| SUM | KSMS | Sumter AirportSumter | Sumter |
| SUN | KSUN | Friedman Memorial AirportHailey | Hailey |
| SUO | β | Sunriver AirportSunriver | Sunriver |
| SUS | KSUS | Spirit of St Louis AirportSt Louis | St Louis |
| SUU | KSUU | Travis Air Force BaseFairfield | Fairfield |
| SUW | KSUW | Richard I Bong Memorial AirportSuperior | Superior |
| SUX | KSUX | Sioux Gateway Airport / Brigadier General Bud Day FieldSioux City | Sioux City |
| SVA | PASA | Savoonga AirportSavoonga | Savoonga |
| SVC | KSVC | Grant County AirportSilver City | Silver City |
| SVE | KSVE | Susanville Municipal AirportSusanville | Susanville |
| SVH | KSVH | Statesville Regional AirportStatesville | Statesville |
| SVN | KSVN | Hunter Army Air FieldSavannah | Savannah |
| SVS | β | Stevens Village AirportStevens Village | Stevens Village |
| SVW | PASV | Sparrevohn LRRS AirportSparrevohn | Sparrevohn |
| SWD | PAWD | Seward AirportSeward | Seward |
| SWF | KSWF | New York Stewart International AirportNewburgh | Newburgh |
| SWO | KSWO | Stillwater Regional AirportStillwater | Stillwater |
| SWW | KSWW | Avenger FieldSweetwater | Sweetwater |
| SXP | β | Nunam Iqua AirportNunam Iqua | Nunam Iqua |
| SXQ | PASX | Soldotna AirportSoldotna | Soldotna |
| SXY | β | Sidney Municipal AirportSidney | Sidney |
| SYA | PASY | Eareckson Air StationShemya | Shemya |
| SYB | β | Seal Bay Seaplane BaseSeal Bay | Seal Bay |
| SYI | KSYI | Bomar Field / Shelbyville Municipal AirportShelbyville | Shelbyville |
| SYL | β | Roberts Army HeliportCamp Roberts/San Miguel | Camp Roberts/San Miguel |
| SYN | KSYN | Stanton AirfieldDennison | Dennison |
| SYR | KSYR | Syracuse Hancock International AirportSyracuse | Syracuse |
| SYV | KSYV | Sylvester AirportSylvester | Sylvester |
| SZL | KSZL | Whiteman Air Force BaseKnob Noster | Knob Noster |
| SZN | KSZN | Santa Cruz Island AirportSanta Cruz Island | Santa Cruz Island |
| SZP | KSZP | Santa Paula AirportSanta Paula | Santa Paula |
| TAD | KTAD | Perry Stokes AirportTrinidad | Trinidad |
| TAL | PATA | Ralph M Calhoun Memorial AirportTanana | Tanana |
| TBC | β | Tuba City AirportTuba City | Tuba City |
| TBN | KTBN | Waynesville-St. Robert Regional Airport-Forney FieldFort Leonard Wood | Fort Leonard Wood |
| TBR | KTBR | Statesboro Bulloch County AirportStatesboro | Statesboro |
| TCC | KTCC | Tucumcari Municipal AirportTucumcari | Tucumcari |
| TCL | KTCL | Tuscaloosa National AirportTuscaloosa | Tuscaloosa |
| TCM | KTCM | McChord Air Force BaseTacoma | Tacoma |
| TCS | KTCS | Truth or Consequences Municipal AirportTruth or Consequences | Truth or Consequences |
| TCT | PPCT | Takotna AirportTakotna | Takotna |
| TDO | KTDO | Ed Carlson Memorial Field South Lewis County AirportToledo | Toledo |
| TDW | KTDW | Tradewind AirportAmarillo | Amarillo |
| TDZ | KTDZ | Toledo Executive AirportToledo | Toledo |
| TEB | KTEB | Teterboro AirportTeterboro | Teterboro |
| TEH | β | Tetlin AirportTetlin | Tetlin |
| TEK | PAKA | Tatitlek AirportTatitlek | Tatitlek |
| TEX | KTEX | Telluride Regional AirportTelluride | Telluride |
| THA | KTHA | Tullahoma Regional Airport William Northern FieldTullahoma | Tullahoma |
| THM | KTHM | Thompson Falls AirportThompson Falls | Thompson Falls |
| THP | β | Hot Springs County AirportThermopolis | Thermopolis |
| THV | KTHV | York AirportThomasville | Thomasville |
| TIK | KTIK | Tinker Air Force BaseOklahoma City | Oklahoma City |
| TIW | KTIW | Tacoma Narrows AirportTacoma | Tacoma |
| TIX | KTIX | Space Coast Regional AirportTitusville | Titusville |
| TKA | PATK | Talkeetna AirportTalkeetna | Talkeetna |
| TKE | β | Tenakee Seaplane BaseTenakee Springs | Tenakee Springs |
| TKF | KTRK | Truckee Tahoe AirportTruckee | Truckee |
| TKI | β | Tokeen Seaplane BaseTokeen | Tokeen |
| TKJ | PFTO | Tok Junction AirportTok | Tok |
| TKL | PTFK | Taku Lodge Seaplane BaseTaku Lodge | Taku Lodge |
| TLA | PATE | Teller AirportTeller | Teller |
| TLF | β | Telida AirportTelida | Telida |
| TLH | KTLH | Tallahassee International AirportTallahassee | Tallahassee |
| TLJ | PATL | Tatalina LRRS AirportTakotna | Takotna |
| TLR | KTLR | Mefford FieldTulare | Tulare |
| TLT | β | Tuluksak AirportTuluksak | Tuluksak |
| TMA | KTMA | Henry Tift Myers AirportTifton | Tifton |
| TMB | KTMB | Miami Executive AirportMiami | Miami |
| TNC | PATC | Tin City Long Range Radar Station AirportTin City | Tin City |
| TNK | β | Tununak AirportTununak | Tununak |
| TNP | KTNP | Twentynine Palms AirportTwentynine Palms | Twentynine Palms |
| TNT | KTNT | Dade Collier Training and Transition AirportMiami | Miami |
| TNU | KTNU | Newton Municipal AirportNewton | Newton |
| TOA | KTOA | Zamperini FieldTorrance | Torrance |
| TOC | KTOC | Toccoa Airport - R.G. Letourneau FieldToccoa | Toccoa |
| TOG | PATG | Togiak AirportTogiak Village | Togiak Village |
| TOI | KTOI | Troy Municipal Airport at N Kenneth Campbell FieldTroy | Troy |
| TOL | KTOL | Eugene F. Kranz Toledo Express AirportToledo | Toledo |
| TOP | KTOP | Philip Billard Municipal AirportTopeka | Topeka |
| TOR | KTOR | Torrington Municipal AirportTorrington | Torrington |
| TPA | KTPA | Tampa International AirportTampa | Tampa |
| TPF | KTPF | Peter O Knight AirportTampa | Tampa |
| TPH | KTPH | Tonopah AirportTonopah | Tonopah |
| TPL | KTPL | Draughon Miller Central Texas Regional AirportTemple | Temple |
| TRH | β | Trona AirportTrona | Trona |
| TRI | KTRI | Tri-Cities Regional TN/VA AirportBlountville | Blountville |
| TRL | KTRL | Terrell Municipal AirportTerrell | Terrell |
| TRM | KTRM | Jacqueline Cochran Regional AirportPalm Springs | Palm Springs |
| TRX | KTRX | Trenton Municipal AirportTrenton | Trenton |
| TSG | β | Tanacross AirportTanacross | Tanacross |
| TSM | KSKX | Taos Regional AirportTaos | Taos |
| TSP | KTSP | Tehachapi Municipal AirportTehachapi | Tehachapi |
| TSS | β | East 34th Street HeliportNew York | New York |
| TTD | KTTD | Portland Troutdale AirportPortland | Portland |
| TTN | KTTN | Trenton Mercer AirportEwing Township | Ewing Township |
| TTO | KBTN | Britton Municipal AirportBritton | Britton |
| TUH | β | Arnold Air Force BaseManchester | Manchester |
| TUL | KTUL | Tulsa International AirportTulsa | Tulsa |
| TUP | KTUP | Tupelo Regional AirportTupelo | Tupelo |
| TUS | KTUS | Tucson International AirportTucson | Tucson |
| TVC | KTVC | Cherry Capital AirportTraverse City | Traverse City |
| TVF | KTVF | Thief River Falls Regional AirportThief River Falls | Thief River Falls |
| TVI | KTVI | Thomasville Regional AirportThomasville | Thomasville |
| TVL | KTVL | Lake Tahoe Airport Live camSouth Lake Tahoe | South Lake Tahoe |
| TWA | β | Twin Hills AirportTwin Hills | Twin Hills |
| TWD | β | Jefferson County International AirportPort Townsend | Port Townsend |
| TWE | β | Taylor AirportTaylor | Taylor |
| TWF | KTWF | Joslin Field Magic Valley Regional AirportTwin Falls | Twin Falls |
| TWH | β | Two Harbors Amphibious TerminalTwo Harbors | Two Harbors |
| TXK | KTXK | Texarkana Regional Airport (Webb Field)Texarkana | Texarkana |
| TYE | β | Tyonek AirportTyonek | Tyonek |
| TYR | KTYR | Tyler Pounds Regional AirportTyler | Tyler |
| TYS | KTYS | McGhee Tyson AirportKnoxville/Maryville | Knoxville/Maryville |
| TYZ | KTYL | Taylor AirportTaylor | Taylor |
| TZC | KCFS | Tuscola Area AirportCaro | Caro |
| UBS | KUBS | Columbus Lowndes County AirportColumbus | Columbus |
| UCC | β | Yucca AirstripMercury | Mercury |
| UCE | β | Eunice AirportEunice | Eunice |
| UCY | KUCY | Everett-Stewart Regional AirportUnion City | Union City |
| UDD | KUDD | Bermuda Dunes AirportBermuda Dunes | Bermuda Dunes |
| UES | KUES | Waukesha County AirportWaukesha | Waukesha |
| UGB | β | Ugashik Bay AirportPilot Point | Pilot Point |
| UGI | β | San Juan /Uganik/ Seaplane BaseSan Juan | San Juan |
| UGN | KUGN | Waukegan National AirportChicago/Waukegan | Chicago/Waukegan |
| UGS | β | Ugashik AirportUgashik | Ugashik |
| UIL | KUIL | Quillayute AirportQuillayute | Quillayute |
| UIN | KUIN | Quincy Regional Airport Baldwin FieldQuincy | Quincy |
| UKI | KUKI | Ukiah Municipal AirportUkiah | Ukiah |
| UKN | β | Waukon Municipal AirportWaukon | Waukon |
| UKT | KUKT | Quakertown AirportQuakertown | Quakertown |
| ULM | KULM | New Ulm Municipal AirportNew Ulm | New Ulm |
| UMM | PAST | Summit AirportCantwell | Cantwell |
| UMT | PAUM | Umiat AirportUmiat | Umiat |
| UMZ | β | Mena Intermountain Municipal AirportMena | Mena |
| UNK | PAUN | Unalakleet AirportUnalakleet | Unalakleet |
| UNU | KUNU | Dodge County AirportJuneau | Juneau |
| UOS | KUOS | Franklin County AirportSewanee | Sewanee |
| UOX | KUOX | University Oxford AirportOxford | Oxford |
| UPP | PHUP | Upolu AirportHawi | Hawi |
| USA | KJQF | Concord-Padgett Regional AirportConcord | Concord |
| USC | β | Union County, Troy Shelton FieldUnion | Union |
| UST | KSGJ | Northeast Florida Regional AirportSt Augustine | St Augustine |
| UTM | KUTA | Tunica Municipal AirportTunica | Tunica |
| UTO | PAIM | Indian Mountain LRRS AirportUtopia Creek | Utopia Creek |
| UUK | PAKU | Ugnu-Kuparuk AirportKuparuk | Kuparuk |
| UVA | KUVA | Garner FieldUvalde | Uvalde |
| UWA | β | Ware AirportWare | Ware |
| VAD | KVAD | Moody Air Force BaseValdosta | Valdosta |
| VAK | PAVA | Chevak AirportChevak | Chevak |
| VBG | KVBG | Vandenberg Space Force BaseLompoc | Lompoc |
| VCT | KVCT | Victoria Regional AirportVictoria | Victoria |
| VCV | KVCV | Southern California Logistics AirportVictorville | Victorville |
| VDI | KVDI | Vidalia Regional AirportVidalia | Vidalia |
| VDZ | PAVD | Valdez Pioneer FieldValdez | Valdez |
| VEE | PAVE | Venetie AirportVenetie | Venetie |
| VEL | KVEL | Vernal Regional AirportVernal | Vernal |
| VEX | β | Tioga Municipal AirportTioga | Tioga |
| VGT | KVGT | North Las Vegas AirportLas Vegas | Las Vegas |
| VHN | KVHN | Culberson County AirportVan Horn | Van Horn |
| VIH | KVIH | Rolla National AirportVichy | Vichy |
| VIS | KVIS | Visalia Municipal AirportVisalia | Visalia |
| VJI | KVJI | Virginia Highlands AirportAbingdon | Abingdon |
| VKS | KVKS | Vicksburg Municipal AirportVicksburg | Vicksburg |
| VLA | KVLA | Vandalia Municipal AirportVandalia | Vandalia |
| VLD | KVLD | Valdosta Regional AirportValdosta | Valdosta |
| VLE | β | Valle AirportGrand Canyon | Grand Canyon |
| VNC | KVNC | Venice Municipal AirportVenice | Venice |
| VNY | KVNY | Van Nuys AirportVan Nuys | Van Nuys |
| VOK | KVOK | Volk FieldCamp Douglas | Camp Douglas |
| VPS | KVPS | Destin-Fort Walton Beach AirportValparaiso | Valparaiso |
| VPZ | KVPZ | Porter County Municipal AirportValparaiso | Valparaiso |
| VQQ | KVQQ | Cecil AirportJacksonville | Jacksonville |
| VRB | KVRB | Vero Beach Regional AirportVero Beach | Vero Beach |
| VRS | β | Roy Otten Memorial AirfieldVersailles | Versailles |
| VSF | KVSF | Hartness State AirportNorth Springfield | North Springfield |
| VTN | KVTN | Miller FieldValentine | Valentine |
| VYS | KVYS | Illinois Valley Regional Airport Walter A Duncan FieldPeru | Peru |
| WAA | PAIW | Wales AirportWales | Wales |
| WAH | KBWP | Harry Stern AirportWahpeton | Wahpeton |
| WAL | KWAL | Wallops Flight Facility AirportWallops Island | Wallops Island |
| WAY | KWAY | Greene County AirportWaynesburg | Waynesburg |
| WBB | β | Stebbins AirportStebbins | Stebbins |
| WBK | β | West Branch Community AirportWest Branch | West Branch |
| WBQ | PAWB | Beaver AirportBeaver | Beaver |
| WBR | KRQB | Roben Hood AirportBig Rapids | Big Rapids |
| WBU | KBDU | Boulder Municipal AirportBoulder | Boulder |
| WBW | KWBW | Wilkes Barre Wyoming Valley AirportWilkes-Barre | Wilkes-Barre |
| WCR | PALR | Chandalar Lake AirportChandalar Lake | Chandalar Lake |
| WDG | KWDG | Enid Woodring Regional AirportEnid | Enid |
| WDN | β | Waldron AirstripEastsound | Eastsound |
| WDR | KWDR | Barrow County AirportWinder | Winder |
| WEA | KWEA | Parker County AirportWeatherford | Weatherford |
| WFB | β | Ketchikan Harbor Seaplane BaseKetchikan | Ketchikan |
| WFK | KFVE | Northern Aroostook Regional AirportFrenchville | Frenchville |
| WGO | KOKV | Winchester Regional AirportWinchester | Winchester |
| WHD | β | Hyder Seaplane BaseHyder | Hyder |
| WHP | KWHP | Whiteman AirportPacoima | Pacoima |
| WHT | KARM | Wharton Regional AirportWharton | Wharton |
| WIB | β | Wilbarger County AirportVernon | Vernon |
| WJF | KWJF | General William J Fox AirfieldLancaster | Lancaster |
| WKK | β | Aleknagik / New AirportAleknagik | Aleknagik |
| WKL | β | Waikoloa HeliportWaikoloa Village | Waikoloa Village |
| WLD | KWLD | Strother FieldWinfield / Arkansas City | Winfield / Arkansas City |
| WLK | PASK | Selawik AirportSelawik | Selawik |
| WLR | β | Loring Seaplane BaseLoring | Loring |
| WLW | KWLW | Willows Glenn County AirportWillows | Willows |
| WMC | KWMC | Winnemucca Municipal AirportWinnemucca | Winnemucca |
| WMH | KBPK | Ozark Regional AirportMountain Home | Mountain Home |
| WMK | β | Meyers Chuck Seaplane BaseMeyers Chuck | Meyers Chuck |
| WMO | PAWM | White Mountain AirportWhite Mountain | White Mountain |
| WNA | PANA | Napakiak AirportNapakiak | Napakiak |
| WOW | PAUO | Willow AirportWillow | Willow |
| WPO | β | North Fork Valley AirportPaonia | Paonia |
| WRB | KWRB | Robins Air Force BaseWarner Robins | Warner Robins |
| WRG | PAWG | Wrangell AirportWrangell | Wrangell |
| WRI | KWRI | Mc Guire Air Force BaseWrightstown | Wrightstown |
| WRL | KWRL | Worland Municipal AirportWorland | Worland |
| WSB | β | Steamboat Bay Seaplane BaseSteamboat Bay | Steamboat Bay |
| WSF | PACS | Cape Sarichef AirportCape Sarichef | Cape Sarichef |
| WSG | KAFJ | Washington County AirportWashington | Washington |
| WSH | KHWV | Brookhaven Calabro AirportShirley | Shirley |
| WSM | β | Wiseman AirportWiseman | Wiseman |
| WSN | PFWS | South Naknek Number 2 AirportSouth Naknek | South Naknek |
| WST | KWST | Westerly State AirportWesterly | Westerly |
| WSX | β | Westsound/WSX Seaplane BaseWest Sound | West Sound |
| WTK | PAWN | Noatak AirportNoatak | Noatak |
| WTL | β | Tuntutuliak AirportTuntutuliak | Tuntutuliak |
| WTR | β | Whiteriver AirportWhiteriver | Whiteriver |
| WVI | KWVI | Watsonville Municipal AirportWatsonville | Watsonville |
| WVL | KWVL | Waterville Robert Lafleur AirportWaterville | Waterville |
| WWA | PAWS | Wasilla AirportWasilla | Wasilla |
| WWD | KWWD | Cape May County AirportWildwood | Wildwood |
| WWP | β | Whale Pass Seaplane Float Harbor FacilityWhale Pass | Whale Pass |
| WWR | KWWR | West Woodward AirportWoodward | Woodward |
| WWT | PAEW | Mertarvik AirportMertarvik | Mertarvik |
| WYB | β | Yes Bay Lodge Seaplane BaseYes Bay | Yes Bay |
| WYS | KWYS | Yellowstone AirportWest Yellowstone | West Yellowstone |
| XES | β | Grand Geneva Resort AirportLake Geneva | Lake Geneva |
| XFT | KBPD | Big Pine Sands STOLGroundBig Pine Key, Florida | Big Pine Key, Florida |
| XMD | KMDS | Madison Municipal AirportMadison | Madison |
| XNA | KXNA | Northwest Arkansas National AirportFayetteville/Springdale/Rogers | Fayetteville/Springdale/Rogers |
| XPR | KIEN | Pine Ridge AirportPine Ridge | Pine Ridge |
| XSD | KTNX | Tonopah Test Range AirportTonopah | Tonopah |
| XWA | KXWA | Williston Basin International AirportWilliston | Williston |
| YAK | PAYA | Yakutat AirportYakutat | Yakutat |
| YIP | KYIP | Willow Run AirportDetroit | Detroit |
| YKM | KYKM | Yakima Air Terminal McAllister FieldYakima | Yakima |
| YKN | KYKN | Chan Gurney Municipal AirportYankton | Yankton |
| YNG | KYNG | Youngstown Warren Regional AirportYoungstown/Warren | Youngstown/Warren |
| YUM | KNYL | Yuma International Airport / Marine Corps Air Station YumaYuma | Yuma |
| ZNC | β | Nyac AirportNyac | Nyac |
| ZPH | KZPH | Zephyrhills Municipal AirportZephyrhills | Zephyrhills |
| ZZV | KZZV | Zanesville Municipal AirportZanesville | Zanesville |
Airport data from OurAirports (public domain), updated 2026-11-10. All airport codes.