| AAA | Anaa Airport | Anaa | PF |
| AAB | Arrabury Airport | Arrabury | AU |
| AAC | El Arish International Airport | El Arish | EG |
| AAE | Les Salines Airport | Annaba | DZ |
| AAF | Apalachicola Municipal Airport | Apalachicola | US |
| AAG | Arapoti Airport | Arapoti | BR |
| AAH | Merzbrueck Airport | Aachen | DE |
| AAI | Arraias Airport | Arraias | BR |
| AAJ | Cayana Airstrip | Awaradam | SR |
| AAK | Aranuka Airport | Aranuka | KI |
| AAL | Aalborg Airport | Aalborg | DK |
| AAM | Mala Mala Airport | Mala Mala | ZA |
| AAN | Al Ain International Airport | Al Ain | AE |
| AAO | Anaco Airport | Anaco | VE |
| AAP | Andrau Airpark | Houston | US |
| AAQ | Vityazevo Airport | Anapa | RU |
| AAR | Tirstrup Airport | Aarhus | DK |
| AAS | Apalapsili Airport | Apalapsili | ID |
| AAT | Altay Airport | Altay | CN |
| AAU | Asau Airport | Asau | WS |
| AAV | Allah Valley Airport | Surallah | PH |
| AAX | Araxa Airport | Araxa | BR |
| AAY | Al Ghaydah Airport | Al Ghaydah | YE |
| AAZ | Quetzaltenango Airport | Quetzaltenango | GT |
| ABA | Abakan Airport | Abakan | RU |
| ABB | Asaba International Airport | Asaba | NG |
| ABC | Albacete Airport | Albacete | ES |
| ABD | Abadan Airport | Abadan | IR |
| ABE | Lehigh Valley International Airport | Allentown | US |
| ABF | Abaiang Airport | Abaiang | KI |
| ABG | Abingdon Downs Airport | Abingdon Downs | AU |
| ABH | Alpha Airport | Alpha | AU |
| ABI | Abilene Regional Airport | Abilene | US |
| ABJ | Felix Houphouet Boigny Airport | Abidjan | CI |
| ABK | Kebri Dehar Airport | Kebri Dehar | ET |
| ABL | Ambler Airport | Ambler | US |
| ABM | Northern Peninsula Airport | Bamaga | AU |
| ABN | Albina Airport | Albina | SR |
| ABO | Aboisso Airport | Aboisso | CI |
| ABP | Atkamba Airport | Atkamba | PG |
| ABQ | Albuquerque International Airport | Albuquerque | US |
| ABR | Aberdeen Municipal Airport | Aberdeen | US |
| ABS | Abu Simbel Airport | Abu Simbel | EG |
| ABT | Al-Aqiq Airport | Al Baha | SA |
| ABU | Haliwen Airport | Atambua | ID |
| ABV | Nnamdi Azikiwe Intl Airport | Abuja | NG |
| ABW | Abau Airport | Abau | PG |
| ABX | Albury Airport | Albury | AU |
| ABY | Dougherty County Airport | Albany | US |
| ABZ | Dyce Airport | Aberdeen | GB |
| ACA | Alvarez International Airport | Acapulco | MX |
| ACB | Antrim County Airport | Bellaire | US |
| ACC | Kotoka International Airport | Accra | GH |
| ACD | Acandi Airport | Acandi | CO |
| ACE | Lanzarote Airport | Lanzarote | ES |
| ACH | St Gallen-Altenrhein Airport | Altenrhein | CH |
| ACI | Alderney Airport | Alderney | GG |
| ACJ | Anuradhapura Airport | Anuradhapura | LK |
| ACK | Nantucket Memorial Airport | Nantucket | US |
| ACL | Aguaclara Airport | Aguaclara | CO |
| ACM | Arica Airport | Arica | CO |
| ACN | Ciudad Acuna International Airport | Ciudad Acuna | MX |
| ACO | Ascona Airport | Ascona | CH |
| ACP | Sahand Airport | Maragheh | IR |
| ACR | Araracuara Airport | Araracuara | CO |
| ACS | Achinsk Airport | Achinsk | RU |
| ACT | Waco Municipal Airport | Waco | US |
| ACU | Achutupo Airport | Achutupo | PA |
| ACV | Arcata Airport | Arcata | US |
| ACX | Xingyi Airport | Xingyi | CN |
| ACY | Atlantic City International Airport | Atlantic City | US |
| ACZ | Zabol Airport | Zabol | IR |
| ADA | Sakirpasa Airport | Adana | TR |
| ADB | Adnan Menderes Airport | Izmir | TR |
| ADC | Andakombe Airport | Andakombe | PG |
| ADD | Bole International Airport | Addis Ababa | ET |
| ADE | Aden International Airport | Aden | YE |
| ADF | Adiyaman Airport | Adiyaman | TR |
| ADG | Lenawee County Airport | Adrian | US |
| ADH | Aldan Airport | Aldan | RU |
| ADI | Arandis Airport | Arandis | NA |
| ADJ | Marka International Airport | Amman | JO |
| ADK | Adak Island Naval Station | Adak Island | US |
| ADL | Adelaide International Airport | Adelaide | AU |
| ADM | Ardmore Municipal Airport | Ardmore | US |
| ADN | Andes Airport | Andes | CO |
| ADO | Andamooka Airport | Andamooka | AU |
| ADP | Gal Oya Airport | Ampara | LK |
| ADQ | Kodiak Airport | Kodiak | US |
| ADR | Andrews Airport | Andrews | US |
| ADS | Addison Airport | Dallas | US |
| ADT | Ada Airport | Ada | US |
| ADU | Ardabil Airport | Ardabil | IR |
| ADV | Addeain Airport | Addeain | SD |
| ADW | Andrews Air Force Base | Camp Springs | US |
| ADX | Leuchars RAF | St Andrews | GB |
| ADY | Alldays Airport | Alldays | ZA |
| ADZ | San Andres Island Airport | San Andres Island | CO |
| AEA | Abemama Airport | Abemama | KI |
| AEB | Youjiang Airport | Baise | CN |
| AED | Aleneva Airport | Aleneva | US |
| AEE | Adareil Airport | Adareil | SS |
| AEG | Aekgodang Airport | Padangsidempuan | ID |
| AEH | Abeche Airport | Abeche | TD |
| AEI | Algeciras Railway Station | Algeciras | ES |
| AEK | Aseki Airport | Aseki | PG |
| AEL | Albert Lea Airport | Albert Lea | US |
| AEO | Aioun el Atrouss Airport | Aioun el Atrouss | MR |
| AEP | Jorge Newbery Airport | Buenos Aires | AR |
| AER | Sochi International | Sochi | RU |
| AES | Vigra Airport | Aalesund | NO |
| AET | Allakaket Airport | Allakaket | US |
| AEU | Abu Musa Island Airport | Abu Musa Island | IR |
| AEX | Alexandria International Airport | Alexandria | US |
| AEY | Akureyri Airport | Akureyri | IS |
| AFA | San Rafael Airport | San Rafael | AR |
| AFD | Port Alfred Airport | Port Alfred | ZA |
| AFF | United States Air Force Academy Airport | Colorado Springs | US |
| AFI | Amalfi Airport | Amalfi | CO |
| AFK | Kondavattavan Tank SPB | Ampara | LK |
| AFL | Alta Floresta Airport | Alta Floresta | BR |
| AFN | Jaffrey Municipal Airport | Jaffrey | US |
| AFO | Afton Municipal Airport | Afton | US |
| AFR | Afore Airport | Afore | PG |
| AFS | Zarafshan Airport | Zarafshan | UZ |
| AFT | Afutara Aerodrome | Afutara | SB |
| AFW | Fort Worth Alliance Airport | Fort Worth | US |
| AFY | Afyon Airport | Afyon | TR |
| AFZ | Sabzevar Airport | Sabzevar | IR |
| AGA | Al Massira Airport | Agadir | MA |
| AGB | Augsburg Airport | Munich | DE |
| AGC | Allegheny County Airport | Pittsburgh | US |
| AGD | Anggi Airport | Anggi | ID |
| AGE | Flugplatz Airport | Wangerooge | DE |
| AGF | La Garenne Airport | Agen | FR |
| AGG | Angoram Airport | Angoram | PG |
| AGH | Angelholm Airport | Angelholm/Helsingborg | SE |
| AGI | Wageningen Airport | Wageningen | SR |
| AGJ | Aguni Airport | Aguni | JP |
| AGK | Kagua Airport | Kagua | PG |
| AGL | Wanigela Airport | Wanigela | PG |
| AGM | Ammassalik Heliport | Tasiilaq | GL |
| AGN | Angoon Airport | Angoon | US |
| AGO | Magnolia Municipal Airport | Magnolia | US |
| AGP | Malaga Airport | Malaga | ES |
| AGQ | G.Karaiskakis Airport | Agrinion | GR |
| AGR | Agra Airport | Agra | IN |
| AGS | Bush Field | Augusta | US |
| AGT | Alejo Garcia Airport | Ciudad del Este | PY |
| AGU | Aguascalients Airport | Aguascalientes | MX |
| AGV | Acarigua Airport | Acarigua | VE |
| AGW | Agnew Airport | Agnew | AU |
| AGX | Agatti Island Airport | Agatti Island | IN |
| AGY | Argyle Downs Airport | Argyle Downs | AU |
| AGZ | Aggeneys Airport | Aggeneys | ZA |
| AHB | Abha Airport | Abha | SA |
| AHC | Amedee Army Air Field | Herlong | US |
| AHD | Ardmore Downtown Airport | Ardmore | US |
| AHE | Ahe Airport | Ahe | PF |
| AHF | Arapahoe Municipal Airport | Arapahoe | US |
| AHH | Amery Municipal Airport | Amery | US |
| AHI | Amahai Airport | Amahai | ID |
| AHJ | Aba Hongyuan Airport | Aba Tibetan | CN |
| AHL | Aishalton Airport | Aishalton | GY |
| AHM | Summer Parker Field Airport | Ashland | US |
| AHN | Athens Airport | Athens | US |
| AHO | Fertilia Airport | Alghero | IT |
| AHS | Ahuas Airport | Ahuas | HN |
| AHT | Amchitka Airport | Amchitka | US |
| AHU | Cherif El Idrissi Airport | Al Hoceima | MA |
| AHW | Saih Rawl Airport | Saih Rawl | OM |
| AHY | Ambatolahy Airport | Ambatolahy | MG |
| AHZ | Alpe D Huez Airport | Alpe D Huez | FR |
| AIA | Alliance Airport | Alliance | US |
| AIB | Anita Bay Airport | Anita Bay | US |
| AIC | Ailinglapalap Airport | Airok | MH |
| AID | Anderson Municipal Airport | Anderson | US |
| AIE | Aiome Airport | Aiome | PG |
| AIF | Assis Airport | Assis | BR |
| AIG | Yalinga Airport | Yalinga | CF |
| AIH | Aiambak Airport | Aiambak | PG |
| AII | Ali Sabieh Airport | Ali Sabieh | DJ |
| AIK | Aiken Municipal Airport | Aiken | US |
| AIL | Ailigandi Airport | Ailigandi | PA |
| AIM | Ailuk Island Airport | Ailuk Island | MH |
| AIN | Wainwright Airport | Wainwright | US |
| AIO | Atlantic Municipal Airport | Atlantic | US |
| AIR | Aripuana Airport | Aripuana | BR |
| AIS | Arorae Airport | Arorae | KI |
| AIT | Aitutaki Island Airport | Aitutaki Island | CK |
| AIU | Atiu Island Airport | Atiu Island | CK |
| AIV | George Downer Airport | Aliceville | US |
| AIW | Ai-Ais Airport | Ai-Ais | NA |
| AIY | Bader Field | Atlantic City | US |
| AIZ | Lee C Fine Memorial Airport | Kaiser/Lake Ozark | US |
| AJA | Napoleon Bonaparte Airport | Ajaccio | FR |
| AJF | Jouf Airport | Jouf | SA |
| AJI | Agri Airport | Agri | TR |
| AJJ | Akjoujt Airport | Akjoujt | MR |
| AJK | Araak Airport | Araak | IR |
| AJL | Lenpui Airport | Aizawl | IN |
| AJN | Ouani Airport | Anjouan | KM |
| AJR | Arvidsjaur Airport | Arvidsjaur | SE |
| AJS | Abreojos Airport | Abreojos | MX |
| AJU | Aracaju Airport | Aracaju | BR |
| AJY | Manu Dayak Int'l Airport | Agadez | NE |
| AKA | Wulipu Airport | Ankang | CN |
| AKB | Atka Airport | Atka | US |
| AKC | Fulton International Airport | Akron/Canton | US |
| AKD | Akola Airport | Akola | IN |
| AKE | Akieni Airport | Akieni | GA |
| AKF | Kufra Airport | Kufra | LY |
| AKG | Anguganak Airport | Anguganak | PG |
| AKH | Prince Sultan Air Base | Al Kharj | SA |
| AKI | Akiak Airport | Akiak | US |
| AKJ | Asahikawa Airport | Asahikawa | JP |
| AKK | Akhiok Sea Plane Base | Akhiok | US |
| AKL | Auckland International Airport | Auckland | NZ |
| AKM | Zakouma Airport | Zakouma | TD |
| AKN | King Salmon Airport | King Salmon | US |
| AKO | Washington County Airport | Akron | US |
| AKP | Anaktuvuk Airport | Anaktuvuk | US |
| AKQ | Astra Ksetra Airport | Menggala | ID |
| AKR | Akure Airport | Akure | NG |
| AKS | Gwaunaru'u Airport | Auki | SB |
| AKT | Akrotiri RAF Station | Akrotiri | CY |
| AKU | Aksu Airport | Aksu | CN |
| AKV | Akulivik Airport | Akulivik | CA |
| AKW | Aghajari Airport | Aghajari | IR |
| AKX | Aktobe Airport | Aktobe | KZ |
| AKY | Sittwe Airport | Sittwe | MM |
| ALA | Almaty International Airport | Almaty | KZ |
| ALB | Albany International Airport | Albany | US |
| ALC | Alicante Airport | Alicante | ES |
| ALD | Alerta Airport | Alerta | PE |
| ALE | Alpine Airport | Alpine | US |
| ALF | Alta Airport | Alta | NO |
| ALG | Houari Boumediene Airport | Algiers | DZ |
| ALH | Albany Airport | Albany | AU |
| ALI | Alice International Airport | Alice | US |
| ALJ | Alexander Bay Airport | Alexander Bay | ZA |
| ALK | Asela Airport | Asela | ET |
| ALL | Albenga Airport | Albenga | IT |
| ALM | Alamogordo Municipal Airport | Alamogordo | US |
| ALN | Alton Airport | Alton | US |
| ALO | Waterloo Airport | Waterloo | US |
| ALP | Nejrab International Airport | Aleppo | SY |
| ALQ | Federal Airport | Alegrete | BR |
| ALR | Alexandra Airport | Alexandra | NZ |
| ALS | Alamosa Municipal Airport | Alamosa | US |
| ALT | Alenquer Airport | Alenquer | BR |
| ALU | Alula Airport | Alula | SO |
| ALV | Off-Line Point | Andorra La Vella | AD |
| ALW | Walla Walla Airport | Walla Walla | US |
| ALX | Thomas C Russell Field | Alexander City | US |
| ALY | El Nouzha Airport | Alexandria | EG |
| ALZ | Alitak Sea Plane Base | Alitak | US |
| AMA | Amarillo International Airport | Amarillo | US |
| AMB | Ambilobe Airport | Ambilobe | MG |
| AMC | Am Timan Airport | Am Timan | TD |
| AMD | S. VallabhBhai Patel Airport | Ahmedabad | IN |
| AME | Alto Molocue Airport | Alto Molocue | MZ |
| AMF | Ama Airport | Ama | PG |
| AMG | Amboin Airport | Amboin | PG |
| AMH | Arba Minch Airport | Arba Minch | ET |
| AMI | Selaparang Airport | Mataram | ID |
| AMJ | Almenara Airport | Almenara | BR |
| AMK | Animas Airpark | Durango | US |
| AML | Puerto Armuelles Airport | Puerto Armuelles | PA |
| AMM | Queen Alia International Airport | Amman | JO |
| AMN | Gratiot Community Airport | Alma | US |
| AMO | Mao Airport | Mao | TD |
| AMP | Ampanihy Airport | Ampanihy | MG |
| AMQ | Pattimura Airport | Ambon | ID |
| AMR | Railway Station | Almeria | ES |
| AMS | Schiphol Airport | Amsterdam | NL |
| AMT | Amata Airport | Amata | AU |
| AMU | Amanab Airport | Amanab | PG |
| AMV | Amderma Airport | Amderma | RU |
| AMW | Ames Airport | Ames | US |
| AMX | Ammaroo Airport | Ammaroo | AU |
| AMY | Ambatomainty Airport | Ambatomainty | MG |
| AMZ | Ardmore Airport | Ardmore | NZ |
| ANA | Anaheim Airport | Anaheim | US |
| ANB | County Airport | Anniston | US |
| ANC | Anchorage International Airport | Anchorage | US |
| AND | Anderson Airport | Anderson | US |
| ANE | Marce Airport | Angers | FR |
| ANF | Cerro Moreno Airport | Antofagasta | CL |
| ANG | Brie-Champniers Airport | Angouleme | FR |
| ANI | Aniak Airport | Aniak | US |
| ANJ | Zanaga Airport | Zanaga | CG |
| ANK | Etimesgut Airport | Ankara | TR |
| ANL | Andulo Airport | Andulo | AO |
| ANM | Antsirabato | Antalaha | MG |
| ANN | Annette Island Airport | Annette Island | US |
| ANO | Angoche Airport | Angoche | MZ |
| ANP | Lee Airport | Annapolis | US |
| ANQ | Tri-State Steuben County Airport | Angola | US |
| ANR | Antwerp International Airport | Antwerp | BE |
| ANS | Andahuaylas Airport | Andahuaylas | PE |
| ANT | Heliport | St Anton | AT |
| ANU | V.C. Bird International Airport | Antigua | AG |
| ANV | Anvik Airport | Anvik | US |
| ANW | Ainsworth Airport | Ainsworth | US |
| ANX | Andenes Airport | Andenes | NO |
| ANY | Anthony Airport | Anthony | US |
| ANZ | Angus Downs Station Airport | Angus Downs Station | AU |
| AOA | Aroa Airport | Aroa | PG |
| AOB | Annanberg Airport | Annanberg | PG |
| AOC | Altenburg Nobitz Airport | Altenburg | DE |
| AOD | Abou Deia Airport | Abou Deia | TD |
| AOE | Anadolu Airport | Eskisehir | TR |
| AOG | Teng'ao Airport | Anshan | CN |
| AOH | Allen County Airport | Lima | US |
| AOI | Falconara Airport | Ancona | IT |
| AOJ | Aomori Airport | Aomori | JP |
| AOK | Karpathos Airport | Karpathos | GR |
| AOL | Paso de los Libres Airport | Paso de los Libres | AR |
| AOM | Adam Airport | Adam | OM |
| AON | Arona Airport | Arona | PG |
| AOO | Altoona Airport | Altoona | US |
| AOP | Andoas Airport | Andoas | PE |
| AOQ | Upernanik Heliport | Aappilattoq-Upernavik | GL |
| AOR | Sultan Abdul Halim Airport | Alor Setar | MY |
| AOS | Amook Airport | Amook | US |
| AOT | Corrado Gex Airport | Aosta | IT |
| AOU | Attapeu Airport | Attapeu | LA |
| APA | Arapahoe County Airport | Denver | US |
| APB | Apolo Airport | Apolo | BO |
| APC | Napa County Airport | Napa | US |
| APE | San Juan Aposento Airport | San Juan Aposento | PE |
| APF | Naples Airport | Naples | US |
| APG | Phillips Army Air Field | Aberdeen | US |
| APH | Camp A P Hill Airport | Bowling Green | US |
| API | Apiay Airport | Apiay | CO |
| APK | Apataki Airport | Apataki | PF |
| APL | Nampula Airport | Nampula | MZ |
| APN | Alpena County Regional Airport | Alpena | US |
| APO | Apartado Airport | Apartado | CO |
| APP | Asapa Airport | Asapa | PG |
| APQ | Arapiraca Airport | Arapiraca | BR |
| APR | April River Airport | April River | PG |
| APS | Anapolis Airport | Anapolis | BR |
| APT | Marion County Airport | Jasper | US |
| APU | Apucarana Airport | Apucarana | BR |
| APV | Apple Valley Airport | Apple Valley | US |
| APW | Falcolo International Airport | Apia | WS |
| APX | Arapongas Airport | Arapongas | BR |
| APY | Alto Parnaiba Airport | Alto Parnaiba | BR |
| APZ | Zapala Airport | Zapala | AR |
| AQA | Araraquara Airport | Araraquara | BR |
| AQB | Quiche Airport | Quiche | GT |
| AQG | Tianzhushan Airport | Anqing | CN |
| AQI | Hafar al Batin | Qaisumah | SA |
| AQJ | King Hussein International Airport | Aqaba | JO |
| AQM | Ariquemes Airport | Ariquemes | BR |
| AQP | Rodriguez Ballon Airport | Arequipa | PE |
| AQS | Saqani Airport | Saqani | FJ |
| AQY | Alyeska Airport | Alyeska | US |
| ARA | Acadiana Regional Airport | New Iberia | US |
| ARB | Ann Arbor Municipal Airport | Ann Arbor | US |
| ARC | Arctic Village Airport | Arctic Village | US |
| ARD | Mali Airport | Alor | ID |
| ARE | Arecibo Airport | Arecibo | PR |
| ARF | Acaricuara Airport | Acaricuara | CO |
| ARG | Walnut Ridge Airport | Walnut Ridge | US |
| ARH | Talagi Airport | Arkhangelsk | RU |
| ARI | Chacalluta Airport | Arica | CL |
| ARJ | Arso Airport | Arso | ID |
| ARK | Arusha Airport | Arusha | TZ |
| ARL | Arly Airport | Arly | BF |
| ARM | Armidale Airport | Armidale | AU |
| ARN | Arlanda Airport | Stockholm | SE |
| ARO | Arboletas Airport | Arboletas | CO |
| ARP | Aragip Airport | Aragip | PG |
| ARQ | Arauquita Airport | Arauquita | CO |
| ARR | Alto Rio Senguerr Airport | Alto Rio Senguerr | AR |
| ARS | Aragarcas Airport | Aragarcas | BR |
| ART | Watertown Airport | Watertown | US |
| ARU | Aracatuba Airport | Aracatuba | BR |
| ARV | Noble F. Lee Airport | Minocqua | US |
| ARW | Arad Airport | Arad | RO |
| ARX | Asbury Park Airport | Asbury Park | US |
| ARY | Ararat Airport | Ararat | AU |
| ARZ | N'Zeto Airport | N'Zeto | AO |
| ASA | Assab International Airport | Assab | ER |
| ASB | Ashgabat International Airport | Ashgabat | TM |
| ASC | Ascension Airport | Ascension | BO |
| ASD | Andros Town Airport | Andros Town | BS |
| ASE | Aspen Airport | Aspen | US |
| ASF | Astrakhan Airport | Astrakhan | RU |
| ASG | Ashburton Airport | Ashburton | NZ |
| ASH | Boire Field | Nashua | US |
| ASI | RAF Station | Ascension Island | SH |
| ASJ | Amami Airport | Amami | JP |
| ASK | Yamoussoukro Airport | Yamoussoukro | CI |
| ASL | Harrison County Airport | Marshall | US |
| ASM | Asmara International Airport | Asmara | ER |
| ASN | Talladega Airport | Talladega | US |
| ASO | Asosa Airport | Asosa | ET |
| ASP | Alice Springs Airport | Alice Springs | AU |
| ASQ | Austin Airport | Austin | US |
| ASR | Erkilet Airport | Kayseri | TR |
| AST | Astoria Airport | Astoria | US |
| ASU | Silvio Pettirossi Airport | Asuncion | PY |
| ASV | Amboseli Airport | Amboseli | KE |
| ASW | Daraw International Airport | Aswan | EG |
| ASX | Ashland Airport | Ashland | US |
| ASY | Ashley Airport | Ashley | US |
| ASZ | Asirim Airport | Asirim | PG |
| ATA | Anta Airport | Anta | PE |
| ATB | Atbara Airport | Atbara | SD |
| ATC | Arthur's Town Airport | Arthur's Town | BS |
| ATD | Atoifi Airport | Atoifi | SB |
| ATE | Antlers Airport | Antlers | US |
| ATF | Chachoan Airport | Ambato | EC |
| ATG | Minhas Airport | Attock | PK |
| ATH | Eleftherios Venizelos Airport | Athens | GR |
| ATI | Artigas Airport | Artigas | UY |
| ATJ | Antsirabe Airport | Antsirabe | MG |
| ATK | Atqasuk Airport | Atqasuk | US |
| ATL | Hartsfield-Jackson Atlanta International Airport | Atlanta | US |
| ATM | Altamira Airport | Altamira | BR |
| ATN | Namatanai Airport | Namatanai | PG |
| ATO | Ohio University Airport | Athens | US |
| ATP | Aitape Airstrip | Aitape | PG |
| ATQ | Sri Guru Ram Dass Jee Airport | Amritsar | IN |
| ATR | Mouakchott Intl Airport | Atar | MR |
| ATS | Artesia Airport | Artesia | US |
| ATT | Atmautluak Airport | Atmautluak | US |
| ATU | Casco Cove Airport | Attu Island | US |
| ATV | Ati Airport | Ati | TD |
| ATW | Outagamie County Airport | Appleton | US |
| ATX | Atbasar Airport | Atbasar | KZ |
| ATY | Watertown Airport | Watertown | US |
| ATZ | Asyut Airport | Asyut | EG |
| AUA | Reina Beatrix Airport | Aruba | AW |
| AUB | Itauba Airport | Itauba | BR |
| AUC | Arauca Airport | Arauca | CO |
| AUD | Augustus Downs Airport | Augustus Downs | AU |
| AUE | Abu Rudeis Airport | Abu Rudeis | EG |
| AUF | Aeroport Auxerre Branches | Auxerre | FR |
| AUG | Augusta Airport | Augusta | US |
| AUH | Abu Dhabi International Airport | Abu Dhabi | AE |
| AUI | Aua Island Airport | Aua Island | PG |
| AUJ | Ambunti Airport | Ambunti | PG |
| AUK | Alakanuk Airport | Alakanuk | US |
| AUL | Aur Island Airport | Aur Island | MH |
| AUM | Austin Airport | Austin | US |
| AUN | Auburn Airport | Auburn | US |
| AUO | Auburn-Opelika Airport | Auburn | US |
| AUP | Agaun Airport | Agaun | PG |
| AUQ | Atuona Airport | Hiva Oa | PF |
| AUR | Aurillac Airport | Aurillac | FR |
| AUS | Austin-Bergstrom International Airport | Austin | US |
| AUT | Atauro Airport | Atauro | TL |
| AUU | Aurukun Airport | Aurukun | AU |
| AUV | Aumo Airport | Aumo | PG |
| AUW | Wausau Municipal Airport | Wausau | US |
| AUX | Araguaina Airport | Araguaina | BR |
| AUY | Anatom Island Airport | Anatom Island | VU |
| AUZ | Aurora Municipal Airport | Aurora | US |
| AVA | Huangguoshu Airport | Anshun | CN |
| AVB | Aviano Air Base | Aviano | IT |
| AVF | Off-Line Point | Avoriaz | FR |
| AVG | Auvergne Station Airport | Auvergne Station | AU |
| AVI | Maximo Gomez Airport | Ciego De Avila | CU |
| AVJ | Bus Station | Avila | ES |
| AVK | Arvaikheer Airport | Arvaikheer | MN |
| AVL | Asheville Regional Airport | Asheville | US |
| AVN | Avignon-Caum Airport | Avignon | FR |
| AVO | Avon Park Municipal Airport | Avon Park | US |
| AVP | Wilkes-Barre International Airport | Wilkes-Barre | US |
| AVS | Railway Station | Avila | ES |
| AVU | Avu Avu Airport | Avu Avu | SB |
| AVV | Avalon Airport | Melbourne | AU |
| AVW | Avra Valley Airport | Tucson | US |
| AVX | Avalon Bay Airport | Catalina Island | US |
| AWA | Awasa Airport | Awasa | ET |
| AWB | Awaba Airport | Awaba | PG |
| AWD | Aniwa Island Airport | Aniwa Island | VU |
| AWE | Alowe Airport | Alowe | GA |
| AWK | Wake Island Airport | Wake Island | UM |
| AWM | West Memphis Municipal Airport | West Memphis | US |
| AWN | Alton Downs Airport | Alton Downs | AU |
| AWP | Austral Downs Station Airport | Austral Downs Station | AU |
| AWR | Awar Airport | Awar | PG |
| AWZ | Ahwaz Airport | Ahwaz | IR |
| AXA | Wallblake Airport | Anguilla | AI |
| AXB | Alexandria Bay Airport | Alexandria Bay | US |
| AXC | Aramac Airport | Aramac | AU |
| AXD | Dimokritos Airport | Alexandroupolis | GR |
| AXE | Xanxere Airport | Xanxere | BR |
| AXF | Alxa Left Banner Airport | Alxa Left Banner | CN |
| AXG | Algona Airport | Algona | US |
| AXK | Ataq Airport | Ataq | YE |
| AXL | Alexandria Station Airport | Alexandria Station | AU |
| AXM | El Eden Airport | Armenia | CO |
| AXN | Alexandria Airport | Alexandria | US |
| AXP | Springpoint Airport | Spring Point | BS |
| AXR | Arutua Airport | Arutua | PF |
| AXS | Altus Municipal Airport | Altus | US |
| AXT | Akita Airport | Akita | JP |
| AXU | Axum Airport | Axum | ET |
| AXV | Neil Armstrong Airport | Wapakoneta | US |
| AXX | Angel Fire Airport | Angel Fire | US |
| AYA | Ayapel Airport | Ayapel | CO |
| AYC | Ayacucho Airport | Ayacucho | CO |
| AYD | Alroy Downs Airport | Alroy Downs | AU |
| AYE | Army Air Field Heliport | Fort Devens | US |
| AYG | Yaguara Airport | Yaguara | CO |
| AYI | Yari Airport | Yari | CO |
| AYK | Arkalyk Airport | Arkalyk | KZ |
| AYL | Anthony Lagoon Airport | Anthony Lagoon | AU |
| AYN | Anyang Airport | Anyang | CN |
| AYO | Ayolas Airport | Ayolas | PY |
| AYP | Yanamilla Airport | Ayacucho | PE |
| AYQ | Connellan Airport | Ayers Rock | AU |
| AYR | Ayr Airport | Ayr | AU |
| AYS | Ware County Airport | Waycross | US |
| AYT | Antalya Airport | Antalya | TR |
| AYU | Aiyura Airport | Aiyura | PG |
| AYW | Ayawasi Airport | Ayawasi | ID |
| AYY | Arugam Bay SPB | Pottuvil | LK |
| AYZ | Zahns Airport | Amityville | US |
| AZA | Williams Gateway Airport | Phoenix | US |
| AZB | Amazon Bay Airport | Amazon Bay | PG |
| AZD | Shahid Sadooghi | Yazd | IR |
| AZG | Apatzingan Airport | Apatzingan | MX |
| AZI | Bateen Airport | Abu Dhabi | AE |
| AZL | Fazenda Tucunare Airport | Sapezal | BR |
| AZM | CZ Bus Station | Macau | MO |
| AZN | Andizhan Airport | Andizhan | UZ |
| AZO | Battle Creek International Airport | Kalamazoo | US |
| AZP | Atizapan Airport | Mexico City | MX |
| AZR | Touat Airport | Adrar | DZ |
| AZS | Arroyo Barril International | Samana | DO |
| AZT | Zapatoca Airport | Zapatoca | CO |
| AZZ | Ambriz Airport | Ambriz | AO |