| AAA | Anaa Airport | Fakarava |  French Polynesia |
| AAB | Arrabury Airport | Longreach |  Australia |
| AAC | Al Arish International Airport | Cairo |  Egypt |
| AAD | Ad-Dabbah Airport | Khartoum |  Sudan |
| AAE | Les Salines Airport | Annaba |  Algeria |
| AAF | Apalachicola Regional Airport | Panama City |  United States of America |
| AAG | Arapoti Airport | Ponta Grossa |  Brazil |
| AAH | Aachen/Merzbruck Airport | Aachen |  Germany |
| AAI | Arraias Airport | Barreiras | Brazil |
| AAJ | Cayana Airstrip | Paramaribo |  Suriname |
| AAK | Aranuka Airport | Tarawa |  Kiribati |
| AAL | Aalborg Airport | Aalborg |  Denmark |
| AAM | Mala Mala Airport | Londolozi |  South Africa |
| AAN | Al Ain Airport | Al Ain |  United Arab Emirates |
| AAO | Anaco Airport | Barcelona |  Venezuela (Bolivarian Republic of) |
| AAQ | Vityazevo Anapa Airport | Anapa |  Russian Federation |
| AAR | Aarhus Airport | Aarhus | Denmark |
| AAS | Apalapsili Airport | Wamena |  Indonesia |
| AAT | Altay Airport | Altay |  China |
| AAU | Asau | Apia |  Samoa |
| AAV | Allah Valley Airport | General Santos City |  Philippines |
| AAW | Abbottabad Airport | Islamabad |  Pakistan |
| AAX | Araxa Airport | Araxa | Brazil |
| AAY | Al Ghaydah Airport | Sana'a |  Yemen |
| AAZ | Quetzaltenango Airport | Guatemala City |  Guatemala |
| ABA | Abakan Airport | Abakan | Russian Federation |
| ABB | Asaba Airport | Asaba |  Nigeria |
| ABC | Los Llanos Airport | Albacete |  Spain |
| ABD | Abadan Airport | Abadan |  Iran (Islamic Republic of) |
| ABE | Lehigh Valley International Airport | Allentown | United States of America |
| ABF | Abaiang Airport | Tarawa | Kiribati |
| ABG | Abingdon | Normanton | Australia |
| ABH | Alpha Airport | Barcaldine | Australia |
| ABI | Municipal Airport | Abilene | United States of America |
| ABJ | Felix Houphouet Boigny Airport | Abidjan |  Cote d'Ivoire |
| ABK | Kabri Dar Airport | Gode/Iddidole |  Ethiopia |
| ABL | Ambler Airport | Ambler | United States of America |
| ABM | Bamaga Injinoo Airport | Bamaga | Australia |
| ABN | Albina Airport | Paramaribo | Suriname |
| ABO | Aboisso Airport | Abidjan | Cote d'Ivoire |
| ABP | Atkamba Airport | Tabubil |  Papua New Guinea |
| ABQ | Albuquerque International Airport | Albuquerque | United States of America |
| ABR | Municipal Airport | Aberdeen | United States of America |
| ABS | Abu Simbel Airport | Aswan | Egypt |
| ABT | Al-Aqiq Airport | Al-Baha |  Saudi Arabia |
| ABU | Atambua Airport | Atambua | Indonesia |
| ABV | Nnamdi Azikiwe International Airport | Abuja | Nigeria |
| ABW | Abau Airport | Popondetta | Papua New Guinea |
| ABX | Albury Airport | Albury | Australia |
| ABY | Dougherty County Airport | Albany | United States of America |
| ABZ | Dyce Airport | Aberdeen | United States of America |
| ACA | General Juan N. Alvarez International Airport | Acapulco |  Mexico |
| ACB | Antrim County Airport | Traverse City | United States of America |
| ACC | Kotoka Airport | Accra |  Ghana |
| ACD | Acandi Airport | Apartado |  Colombia |
| ACE | Lanzarote Airport | Lanzarote | Spain |
| ACH | Altenrhein Airport | Altenrhein |  Switzerland |
| ACI | The Blaye Airport | Alderney |  United Kingdom of Great Britain and Northern Ireland |
| ACJ | Anuradhapura | Sigiriya |  Sri Lanka |
| ACK | Nantucket Memorial Airport | Nantucket | United States of America |
| ACL | Aguaclara Airport | El Yopal | Colombia |
| ACM | Arica Airport | Leticia | Colombia |
| ACN | International Airport | Piedras Negras | Mexico |
| ACO | Ascona Airport | Lugano | Switzerland |
| ACP | Maragheh Sahand Airport | Tabriz | Iran (Islamic Republic of) |
| ACR | Araracuara Airport | Florencia | Colombia |
| ACS | Achinsk Airport | Krasnojarsk | Russian Federation |
| ACT | Municipal Airport | Waco | United States of America |
| ACU | Achutupo Airport | Panama City |  Panama |
| ACV | Arcata Airport | Arcata | United States of America |
| ACX | Xingyi Wanfenglin Airport | Xingyi | China |
| ACY | Atlantic City International Airport | Atlantic City | United States of America |
| ACZ | Zabol Airport | Zahedan | Iran (Islamic Republic of) |
| ADA | Adana Airport | Adana |  Turkey |
| ADB | Adnan Menderes Airport | Izmir | Turkey |
| ADC | Andakombe | Goroka | Papua New Guinea |
| ADD | Bole International Airport | Addis Ababa | Ethiopia |
| ADE | International Airport | Sana'a | Yemen |
| ADF | Adiyaman Airport | Adiyaman | Turkey |
| ADG | Lenawee County Airport | Toledo | United States of America |
| ADH | Aldan Airport | Neryungri | Russian Federation |
| ADI | Arandis Airport | Walvis Bay |  Namibia |
| ADJ | Amman Civil Airport (Marka International Airport) | Amman |  Jordan |
| ADK | Adak Island Ns Airport | Saint Paul Island | United States of America |
| ADL | Adelaide International Airport | Adelaide | Australia |
| ADM | Ardmore Municipal Airport | Oklahoma City | United States of America |
| ADN | Andes Airport | Medellin | Colombia |
| ADO | Andamooka Airport | Olympic Dam | Australia |
| ADP | Ampara | Kandy | Sri Lanka |
| ADQ | Kodiak Airport | Kodiak | United States of America |
| ADR | Andrews Airport | Myrtle Beach | United States of America |
| ADS | Addison Airport | Dallas | United States of America |
| ADT | Ada Municipal Airport | Oklahoma City | United States of America |
| ADU | Ardabil Airport | Ardabil | Iran (Islamic Republic of) |
| ADV | Andover Airport | Southampton | United Kingdom of Great Britain and Northern Ireland |
| ADW | Andrews AFB | Camp Springs | United States of America |
| ADX | Leuchars Airport | Dundee | United Kingdom of Great Britain and Northern Ireland |
| ADY | Alldays Airport | Polokwane | South Africa |
| ADZ | San Andres Island Airport | San Andres Island | Colombia |
| AEA | Abemama Atoll Airport | Tarawa | Kiribati |
| AED | Aleneva Airport | Port Bailey | United States of America |
| AEG | Aek Godang Airport | Gunungsitoli | Indonesia |
| AEH | Abecher Airport | Ndjamena |  Chad |
| AEI | Algeciras Airport | Ceuta | Spain |
| AEK | Aseki Airport | Lae | Papua New Guinea |
| AEL | Albert Lea Airport | Mason City | United States of America |
| AEO | Aioun El Atrouss Airport | Nouakchott |  Mauritania |
| AEP | Aeroparque Jorge Newbery Airport | Buenos Aires |  Costa Rica |
| AER | Adler Airport | Adler/Sochi | Russian Federation |
| AES | Vigra Airport | Aalesund |  Norway |
| AET | Allakaket Airport | Hughes | United States of America |
| AEU | Abu Musa | Qeshm Island | Iran (Islamic Republic of) |
| AEX | Alexandria International Airport | Alexandria | United States of America |
| AEY | Akureyri Airport | Akureyri |  Iceland |
| AFA | San Rafael Airport | San Rafael |  Argentina |
| AFD | Port Alfred Airport | East London | South Africa |
| AFF | USAF Academy Airstrip | Pueblo | United States of America |
| AFI | Amalfi Airport | Medellin | Colombia |
| AFK | Kondavattavan Tank Airport | Kandy | Sri Lanka |
| AFL | Alta Floresta Airport | Alta Floresta | Brazil |
| AFN | Municipal Airport | Worcester | United States of America |
| AFO | Municipal Airport | Jackson | United States of America |
| AFR | Afore Airport | Popondetta | Papua New Guinea |
| AFS | Zarafshan Airport | Navoi |  Uzbekistan |
| AFT | Afutara Aerodrome | Honiara |  Solomon Islands |
| AFW | Fort Worth Alliance | Dallas | United States of America |
| AFY | Afyon Airport | Kutahya | Turkey |
| AFZ | Sabzevar | Mashad | Iran (Islamic Republic of) |
| AGA | Agadir Almassira Airport | Agadir |  Morocco |
| AGB | Augsburg - Muehlhausen Airport | Munich | Germany |
| AGC | Allegheny County | Pittsburgh | United States of America |
| AGD | Anggi Airport | Manokwari | Indonesia |
| AGE | Flugplatz Airport | Bremen | Germany |
| AGF | La Garenne Airport | Agen |  France |
| AGG | Angoram Airport | Wewak | Papua New Guinea |
| AGH | Angelholm Airport | Angelholm/Helsingborg |  Sweden |
| AGI | Wageningen | Paramaribo | Suriname |
| AGJ | Aguni Airport | Kume-jima |  Japan |
| AGK | Kagua Airport | Mendi | Papua New Guinea |
| AGL | Wanigela Airport | Popondetta | Papua New Guinea |
| AGM | Tasiilaq Airport | Kulusuk |  Greenland |
| AGN | Angoon Airport | Tenakee Springs | United States of America |
| AGO | Municipal Airport | El Dorado | United States of America |
| AGP | Pablo Ruiz Picasso Airport | Malaga | Spain |
| AGQ | Agrinion Airport | Patras |  Greece |
| AGR | Kheria Airport | Gwalior |  India |
| AGS | Bush Field Airport | Augusta | United States of America |
| AGT | Alejo Garcia Airport | Ciudad del Este |  Paraguay |
| AGU | Aguascalients Airport | Aguascalientes | Mexico |
| AGV | Acarigua Airport | Barquisimeto | Venezuela (Bolivarian Republic of) |
| AGW | Agnew Airport | Weipa | Australia |
| AGX | Agatti Island Airport | Agatti Island | India |
| AGY | Argyle Downs Airport | Kununurra | Australia |
| AGZ | Aggeneys Airport | Upington | South Africa |
| AHB | Abha Airport | Abha | Saudi Arabia |
| AHC | Amedee AAF Airport | Reno | United States of America |
| AHD | Downtown Airport | Lawton | United States of America |
| AHE | Ahe Airport | Arutua | French Polynesia |
| AHF | Municipal Airport | McCook | United States of America |
| AHH | Municipal Airport | Minneapolis | United States of America |
| AHI | Amahai Airport | Ambon | Indonesia |
| AHL | Aishalton Airport | Georgetown |  Guyana |
| AHN | Athens Airport | Atlanta | United States of America |
| AHO | Fertilia Airport | Alghero |  Italy |
| AHS | Ahuas Airport | Roatan |  Honduras |
| AHT | Amchitka Airport | Anadyr | United States of America |
| AHU | Charif Al Idrissi Airport | Al Hoceima | Morocco |
| AHY | Ambatolahy Airport | Morondava |  Madagascar |
| AHZ | Alpe D Huez Airport | Valence | France |
| AIA | Alliance Airport | Alliance | United States of America |
| AIB | Anita Bay Airport | Wrangell | United States of America |
| AIC | Ailinglaplap Airok Airport | Kwajalein |  Marshall Islands |
| AID | Municipal Airport | Indianapolis | United States of America |
| AIE | Aiome Airport | Mount Hagen | Papua New Guinea |
| AIF | Assis Airport | Marilia | Brazil |
| AIG | Yalinga Airport | Bangui |  Central African Republic |
| AIH | Aiambak Airport | Tabubil | Papua New Guinea |
| AII | Alisabieh Airport | Djibouti |  Djibouti |
| AIK | Municipal Airport | Augusta | United States of America |
| AIL | Ailigandi Airport | Panama City | Panama |
| AIM | Ailuk Island Airport | Kwajalein | Marshall Islands |
| AIN | Wainwright Airport | Atqasuk | United States of America |
| AIO | Municipal Airport | Omaha | United States of America |
| AIP | Ailinglapalap Island Airport | Kwajalein | Marshall Islands |
| AIR | Aripuana Airport | Cacoal | Brazil |
| AIS | Arorae Island Airport | Tarawa | Kiribati |
| AIT | Aitutaki Airport | Aitutaki |  Cook Islands |
| AIU | Atiu Island Airport | Aitutaki | Cook Islands |
| AIV | George Downer Airport | Columbus | United States of America |
| AIW | Ai-ais Airport | Oranjemund | Namibia |
| AIY | Bader Field | Atlantic City | United States of America |
| AIZ | Lee C Fine Memorial Airport | Fort Leonard Wood | United States of America |
| AJA | Campo Dell Oro Airport | Ajaccio | France |
| AJF | Jouf Airport | Jouf | Saudi Arabia |
| AJI | Agri Airport | Agri | Turkey |
| AJJ | Akjoujt Airport | Nouakchott | Mauritania |
| AJK | Araak Airport | Hamadan | Iran (Islamic Republic of) |
| AJL | Aizawl Airport | Aizawl | India |
| AJN | Ouani Airport | Moroni |  Comoros |
| AJO | Aljouf Airport | Sana'a | Yemen |
| AJR | Arvidsjaur Airport | Arvidsjaur | Sweden |
| AJS | Abreojos Airport | Loreto | Mexico |
| AJU | Santa Maria Airport | Aracaju | Brazil |
| AJY | Agades Airport | Niamey |  Niger |
| AKA | Ankang Airport | Xian | China |
| AKB | Atka Airport | Saint Paul Island | United States of America |
| AKC | Fulton International Airport | Akron | United States of America |
| AKD | Akola Airport | Aurangabad | India |
| AKE | Akieni Airport | Libreville |  Gabon |
| AKF | Kufrah Airport | Beida |  Libya |
| AKG | Anguganak Airport | Vanimo | Papua New Guinea |
| AKH | Prince Sultan Air Base Airport | Riyadh | Saudi Arabia |
| AKI | Akiak Airport | Akiachak | United States of America |
| AKJ | Asahikawa Airport | Asahikawa | Japan |
| AKK | Akhiok SPB Airport | Alitak | United States of America |
| AKL | Auckland International Airport | Auckland |  New Zealand |
| AKM | Zakouma Airport | Ndjamena | Chad |
| AKN | King Salmon Airport | King Salmon | United States of America |
| AKO | Colorado Plains Regional Airport | Scottsbluff | United States of America |
| AKP | Anaktuvuk Airport | Nuiqsut | United States of America |
| AKQ | Gunung Batin Airport | Bandar Lampung | Indonesia |
| AKR | Akure Airport | Benin City | Nigeria |
| AKT | Raf Akrotiri Airport | Paphos |  Cyprus |
| AKU | Aksu Airport | Aksu | China |
| AKV | Akulivik Airport | Sanikiluaq |  Canada |
| AKW | Aghajari | Bandar Mahshahr | Iran (Islamic Republic of) |
| AKX | Aktyubinsk Airport | Aktyubinsk |  Kazakhstan |
| AKY | Civil Airport | Sittwe |  Myanmar |
| ALA | Almaty Airport | Almaty | Kazakhstan |
| ALB | Albany International Airport | Albany | United States of America |
| ALC | Alicante El Altet Airport | Alicante | Spain |
| ALD | Alerta Airport | Puerto Maldonado |  Peru |
| ALE | Alpine Airport | Carlsbad | United States of America |
| ALF | Alta Airport | Alta | Norway |
| ALG | Houari Boumediene Airport | Algiers | Algeria |
| ALH | Albany Airport | Albany | United States of America |
| ALI | International Airport | Corpus Christi | United States of America |
| ALJ | Kortdoorn Airport | Upington | South Africa |
| ALK | Asela Airport | Addis Ababa | Ethiopia |
| ALL | Albenga Airport | Cuneo | Italy |
| ALM | Municipal Airport | El Paso | United States of America |
| ALN | Alton Airport | Saint Louis | United States of America |
| ALO | Waterloo Airport | Waterloo | United States of America |
| ALP | Nejrab Airport | Damascus |  Syrian Arab Republic |
| ALQ | Federal Airport | Uruguaiana | Brazil |
| ALR | Alexandra Airport | Queenstown | New Zealand |
| ALS | Municipal Airport | Alamosa | United States of America |
| ALT | Alenquer Airport | Santarem | Brazil |
| ALU | Alula Airport | Hargeisa |  Somalia |
| ALV | Andorra La Vella Airport | Alguaire |  Andorra |
| ALW | Walla Walla Airport | Walla Walla | United States of America |
| ALX | Thomas C Russell Field Airport | Birmingham | United States of America |
| ALY | El Nohza Airport | Alexandria | Egypt |
| ALZ | Alitak SPB | Alitak | United States of America |
| AMA | Rick Husband Amarillo International Airport | Amarillo | United States of America |
| AMB | Ambilobe Airport | Nossi-be | Madagascar |
| AMC | Am Timan Airport | Ndjamena | Chad |
| AMD | Ahmedabad Airport | Ahmedabad | India |
| AME | Alto Molocue Airport | Nampula |  Mozambique |
| AMF | Ama Airport | Tabubil | Papua New Guinea |
| AMG | Amboin Airport | Wewak | Papua New Guinea |
| AMH | Arba Mintch Airport | Arba Mintch | Ethiopia |
| AMI | Selaparang Airport | Praya | Indonesia |
| AMJ | Almenara Airport | Vitoria Da Conquista | Brazil |
| AMK | Animas Airpark Airport | Durango | United States of America |
| AML | Puerto Armuellas Airport | David | Panama |
| AMM | Queen Alia International Airport | Amman | Jordan |
| AMN | Gratiot Community Airport | Lansing | United States of America |
| AMO | Mao Airport | Ndjamena | Chad |
| AMP | Ampanihy Airport | Fort Dauphin | Madagascar |
| AMQ | Pattimura Airport | Ambon | Indonesia |
| AMR | Arno Airport | Majuro | Marshall Islands |
| AMS | Schiphol Airport | Amsterdam |  Netherlands |
| AMT | Amata Airport | Ayers Rock | Australia |
| AMU | Amanab Airport | Vanimo | Papua New Guinea |
| AMV | Amderma Airport | Vorkuta | Russian Federation |
| AMW | Ames Airport | Des Moines | United States of America |
| AMX | Ammaroo Airport | Alice Springs | Australia |
| AMY | Ambatomainty Airport | Antananarivo | Madagascar |
| AMZ | Ardmore Airport | Auckland | United States of America |
| ANA | John Wayne International | Santa Ana | United States of America |
| ANB | Anniston Metropolitan Airport | Birmingham | United States of America |
| ANC | Ted Stevens Anchorage International Airport | Anchorage | United States of America |
| AND | Anderson Airport | Indianapolis | United States of America |
| ANE | Marce Airport | Angers | France |
| ANF | Cerro Moreno Airport | Antofagasta |  Chile |
| ANG | Brie-Champniers Airport | Perigueux | France |
| ANH | Anuha Island Resort | Honiara | Solomon Islands |
| ANI | Aniak Airport | Aniak | United States of America |
| ANJ | Zanaga Airport | Brazzaville |  Congo |
| ANK | Etimesgut Airport | Konya | Turkey |
| ANL | Andulo Airport | Catumbela |  Angola |
| ANM | Antsirabato Airport | Nossi-be | Madagascar |
| ANN | Annette Island Airport | Ketchikan | United States of America |
| ANO | Angoche Airport | Nampula | Mozambique |
| ANP | Lee Airport | Camp Springs | United States of America |
| ANQ | Tri-State Steuben County Airport | Fort Wayne | United States of America |
| ANR | Deurne/ Antwerp Airport | Antwerp |  Belgium |
| ANS | Andahuaylas Airport | Ayacucho | Peru |
| ANT | St Anton | Lexington |  Austria |
| ANU | V. C. Bird International Airport | Antigua |  Antigua and Barbuda |
| ANV | Anvik Airport | Anvik | United States of America |
| ANW | Ainsworth Airport | North Platte | United States of America |
| ANX | Andøya Lufthavn Andenes Airport | Andenes | Norway |
| ANY | Anthony Airport | Wichita | United States of America |
| ANZ | Angus Downs Airport | Ayers Rock | Australia |
| AOA | Aroa Airport | Port Moresby | Papua New Guinea |
| AOB | Annanberg Airport | Mount Hagen | Papua New Guinea |
| AOC | Leipzig–Altenburg Airport (Nobitz) | Leipzig/Halle | Germany |
| AOD | Abou Deia Airport | Ndjamena | Chad |
| AOE | Anadolu University | Kutahya | Turkey |
| AOG | Anshan Airport | Anshan | China |
| AOH | Allen County Airport | Dayton | United States of America |
| AOI | Falconara Airport | Ancona | Italy |
| AOJ | Aomori Airport | Aomori | Japan |
| AOK | Karpathos Airport | Karpathos | Greece |
| AOL | Paso De Los Libres Airport | Posadas | Argentina |
| AON | Arona Airport | Goroka | Papua New Guinea |
| AOO | Martinsburg Airport | Altoona | United States of America |
| AOR | Alor Setar Airport | Alor Setar |  Malaysia |
| AOS | Amook Airport | Zachar Bay | United States of America |
| AOT | Corrado Gex Airport | Turin | Italy |
| AOU | Attopeu Airport | Pakse |  Lao People's Democratic Republic |
| APA | Centennial Airport | Denver | United States of America |
| APB | Apolo Airport | La Paz |  Bolivia (Plurinational State of) |
| APC | Napa County Airport | Concord | United States of America |
| APE | San Juan Aposento Airport | Pisco | Peru |
| APF | Naples Airport | Naples | United States of America |
| APG | Phillips AAF | Baltimore | United States of America |
| APH | Camp A P Hill Airport | Richmond | United States of America |
| API | Apiay Airport | Villavicencio | Colombia |
| APK | Apataki Airport | Kaukura Atoll | French Polynesia |
| APL | Nampula Airport | Nampula | Mozambique |
| APN | Alpena County Regional Airport | Alpena | United States of America |
| APO | Apartado Airport | Apartado | Colombia |
| APP | Asapa Airport | Popondetta | Papua New Guinea |
| APQ | Arapiraca Airport | Maceio | Brazil |
| APR | April River Airport | Tari | Papua New Guinea |
| APS | Anapolis Airport | Goiania | Brazil |
| APT | Marion County Airport | Chattanooga | United States of America |
| APU | Apucarana Airport | Londrina | Brazil |
| APV | Apple Valley Airport | Ontario | United States of America |
| APW | Faleolo Airport | Apia | Samoa |
| APX | Arapongas Airport | Londrina | Brazil |
| APY | Alto Parnaiba Airport | Palmas | Brazil |
| APZ | Zapala Airport | San Martin De Los Andes | Argentina |
| AQA | Araraquara Airport | Ribeirao Preto | Brazil |
| AQB | Quiche Airport | Guatemala City | Guatemala |
| AQG | Anqing Airport | Anqing | China |
| AQI | Qaisumah Airport | Qaisumah | Saudi Arabia |
| AQJ | King Hussein International Airport | Aqaba | Jordan |
| AQM | Ariquemes Airport | Porto Velho | Brazil |
| AQP | Rodriguez Ballon Airport | Arequipa | Peru |
| AQS | Saqani Airport | Taveuni |  Fiji |
| AQY | Girdwood Airport, Alyeska | Anchorage | United States of America |
| ARA | Acadiana Regional Airport | Lafayette | United States of America |
| ARB | Municipal Airport | Toledo | United States of America |
| ARC | Arctic Village Airport | Fort Yukon | United States of America |
| ARD | Alor Island Airport | Alor Island | Indonesia |
| ARE | Arecibo Airport | Aguadilla |  Puerto Rico |
| ARF | Acaricuara Airport | Villavicencio | Colombia |
| ARG | Callahan Landing Strip (Walnut Ridge) Airport | Jonesboro | United States of America |
| ARH | Arkhangelsk Airport | Arkhangelsk | Russian Federation |
| ARI | Chacalluta Airport | Arica | Colombia |
| ARJ | Arso Airport | Jayapura | Indonesia |
| ARK | Arusha Airport | Arusha |  Tanzania |
| ARL | Arly Airport | Ouagadougou |  Burkina Faso |
| ARM | Armidale Airport | Armidale | Australia |
| ARN | Stockholm Arlanda Airport | Stockholm | Sweden |
| ARO | Arboletas Airport | Monteria | Colombia |
| ARP | Aragip Airport | Alotau | Papua New Guinea |
| ARQ | Arauquita Airport | Tame | Colombia |
| ARR | Alto Rio Senguerr Airport | Esquel | Argentina |
| ARS | Aragarcas Airport | Rio Verde | Brazil |
| ART | Watertown International Airport | Watertown | United States of America |
| ARU | Aracatuba Airport | Aracatuba | Brazil |
| ARV | Noble F. Lee Airport | Rhinelander | United States of America |
| ARW | Arad Airport | Timisoara |  Romania |
| ARX | Asbury Park Airport | New York | United States of America |
| ARY | Ararat Airport | Melbourne | Australia |
| ASA | Assab International Airport | Asmara |  Eritrea |
| ASB | Ashgabat Airport | Ashgabat |  Turkmenistan |
| ASC | Ascension Airport | Trinidad | Bolivia (Plurinational State of) |
| ASD | Andros Town Airport | Nassau |  Bahamas |
| ASE | Aspen Airport | Aspen | United States of America |
| ASF | Astrakhan Airport | Astrakhan | Russian Federation |
| ASG | Ashburton Airport | Timaru | New Zealand |
| ASH | Boire Field Airport | Manchester | United States of America |
| ASI | Wideawake Field Airport | Takoradi |  Saint Helena, Ascension and Tristan da Cunha |
| ASJ | Amami Airport | Amami O Shima | Japan |
| ASK | Yamoussoukro Airport | Abidjan | Cote d'Ivoire |
| ASL | Harrison County Airport | Longview | United States of America |
| ASM | Yohannes IV Airport | Asmara | Eritrea |
| ASN | Talladega Airport | Birmingham | United States of America |
| ASO | Asosa Airport | Asosa | Ethiopia |
| ASP | Alice Springs Airport | Alice Springs | Australia |
| ASQ | Austin Airport | Elko | United States of America |
| ASR | Erkilet International Airport | Kayseri | Turkey |
| AST | Astoria Airport | Portland | United States of America |
| ASU | Silvio Pettirossi Airport | Asuncion | Paraguay |
| ASV | Amboseli Airport | Nairobi |  Kenya |
| ASW | Aswan Airport | Aswan | Egypt |
| ASX | Ashland Airport | Ironwood | United States of America |
| ASY | Ashley Airport | Aberdeen | United States of America |
| ASZ | Asirim Airport | Hoskins | Papua New Guinea |
| ATA | Anta Airport | Huanuco | Peru |
| ATB | Atbara Airport | Khartoum | Sudan |
| ATD | Atoifi | Honiara | Solomon Islands |
| ATE | Antlers Airport | Fort Smith | United States of America |
| ATF | Chachoan Airport | Latacunga |  Ecuador |
| ATG | Attock Airport | Islamabad | Pakistan |
| ATH | Eleftherios Venizelos Airport | Athens | Greece |
| ATI | Artigas Airport | Montevideo |  Uruguay |
| ATJ | Antsirabe Airport | Antananarivo | Madagascar |
| ATK | Atqasuk Airport | Atqasuk | United States of America |
| ATL | Hartsfield-jackson Atlanta International Airport | Atlanta | United States of America |
| ATM | Altamira Airport | Altamira | Brazil |
| ATN | Namatanai Airport | Rabaul | Papua New Guinea |
| ATO | Ohio University Airport | Parkersburg | United States of America |
| ATP | Aitape Airport | Vanimo | Papua New Guinea |
| ATQ | Raja Sansi International Airport | Amritsar | India |
| ATR | Mouakchott Airport | Nouakchott | Mauritania |
| ATS | Artesia Airport | Roswell | United States of America |
| ATT | Atmautluak Airport | Atmautluak | United States of America |
| ATU | Casco Cove Airport | Anadyr | United States of America |
| ATV | Ati Airport | Ndjamena | Chad |
| ATW | Outagamie County Airport | Appleton | United States of America |
| ATX | Atbasar Airport | Kokshetau | Kazakhstan |
| ATY | Watertown Regional Airport | Watertown | United States of America |
| ATZ | Assiut Airport | Assiut | Egypt |
| AUA | Reina Beatrix Airport | Aruba |  Aruba |
| AUB | Itauba Airport | Teresina | Brazil |
| AUC | Arauca Airport | Arauca | Colombia |
| AUD | Augustus Downs Airport | Doomadgee | Australia |
| AUE | Abu Rudeis Airport | Sharm el Sheikh | Egypt |
| AUF | Auxerre Branches Airport | Reims | France |
| AUG | Augusta Airport | Augusta | United States of America |
| AUH | Abu Dhabi Zayed International Airport | Abu Dhabi | United Arab Emirates |
| AUI | Aua Island Airport | Vanimo | Papua New Guinea |
| AUJ | Ambunti Airport | Wewak | Papua New Guinea |
| AUK | Alakanuk Airport | Alakanuk | United States of America |
| AUL | Aur Island Airport | Majuro | Marshall Islands |
| AUM | Austin Municipal Airport | Rochester | United States of America |
| AUN | Auburn Airport | Sacramento | United States of America |
| AUO | Auburn-Opelika Airport | Columbus | United States of America |
| AUP | Agaun Airport | Alotau | Papua New Guinea |
| AUQ | Atuona Airport | Atuona | French Polynesia |
| AUR | Aurillac Airport | Aurillac | France |
| AUS | Austin-bergstrom International Airport | Austin | United States of America |
| AUT | Atauro Airport | Dili |  Timor-Leste |
| AUU | Aurukun Mission Airport | Weipa | Australia |
| AUV | Aumo Airport | Hoskins | Papua New Guinea |
| AUW | Wausau Downtown Airport | Wausau | United States of America |
| AUX | Araguaina Airport | Araguaina | Brazil |
| AUY | Aneityum Airport | Tanna |  Vanuatu |
| AUZ | Municipal Airport | Chicago | United States of America |
| AVA | Anshun Huangguoshu Airport | An Shun | China |
| AVB | Aviano | Aviano | Italy |
| AVF | Avoriaz Airport | Dole | France |
| AVG | Auvergne Airport | Kununurra | Australia |
| AVI | Maximo Gomez Airport | Cayo Coco |  Cuba |
| AVK | Arvaikheer Airport | Ulaanbaatar |  Mongolia |
| AVL | Asheville Regional Airport | Asheville | United States of America |
| AVN | Avignon-Caumont Airport | Avignon | France |
| AVO | Municipal Airport | Punta Gorda | United States of America |
| AVP | Wilkes-Barre/Scranton International Airport | Wilkes-Barre | United States of America |
| AVU | Avu Avu Airport | Honiara | Solomon Islands |
| AVV | Avalon Airport | Melbourne | Australia |
| AVW | Marana Regional Airport | Tucson | United States of America |
| AVX | Avalon Bay Airport | Long Beach | United States of America |
| AWA | Awassa Airport | Arba Mintch | Ethiopia |
| AWB | Awaba Airport | Daru | Papua New Guinea |
| AWD | Aniwa Airport | Tanna | Vanuatu |
| AWE | Alowe Airport | Libreville | Gabon |
| AWH | Awareh Airport | Jijiga | Ethiopia |
| AWK | Wake Island Airfield | Kwajalein |  United States Minor Outlying Islands |
| AWM | Municipal Airport | Memphis | United States of America |
| AWN | Alton Downs Airport | Olympic Dam | Australia |
| AWP | Austral Downs Airport | Mount Isa | Australia |
| AWR | Awar Airport | Wewak | Papua New Guinea |
| AWZ | Ahwaz Airport | Ahwaz | Iran (Islamic Republic of) |
| AXA | Wallblake Airport | Anguilla |  Anguilla |
| AXB | Alexandria Bay Airport | Watertown | United States of America |
| AXC | Aramac Airport | Barcaldine | Australia |
| AXD | Dimokritos Airport | Alexandroupolis | Greece |
| AXE | Xanxere Airport | Chapeco | Brazil |
| AXG | Algona Airport | Fort Dodge | United States of America |
| AXK | Ataq Airport | Sana'a | Yemen |
| AXL | Alexandria Airport | Doomadgee | Australia |
| AXM | El Eden Airport | Armenia | Colombia |
| AXN | Alexandria Municipal Airport (Chandler Field) | Brainerd | United States of America |
| AXP | Springpoint Airport | Spring Point | Bahamas |
| AXR | Arutua Airport | Arutua | French Polynesia |
| AXS | Municipal Airport | Lawton | United States of America |
| AXT | Akita Airport | Akita | Japan |
| AXU | Axum Airport | Axum | Ethiopia |
| AXV | Neil Armstrong Airport | Dayton | United States of America |
| AXX | Angel Fire Airport | Alamosa | United States of America |
| AYA | Ayapel Airport | Monteria | Colombia |
| AYC | Ayacucho Airport | Cucuta | Colombia |
| AYD | Alroy Downs Airport | Mcarthur River | Australia |
| AYE | AAF Heliport | Dallas | United States of America |
| AYG | Yaguara Airport | Neiva | Colombia |
| AYH | RAF Station | Wick | United Kingdom of Great Britain and Northern Ireland |
| AYI | Yari Airport | Florencia | Colombia |
| AYK | Arkalyk Airport | Zhezkazgan | Kazakhstan |
| AYL | Anthony Lagoon Airport | Mcarthur River | Australia |
| AYN | Anyang Airport | Handan | China |
| AYO | Ayolas Airport | Asuncion | Paraguay |
| AYP | Yanamilla Airport | Ayacucho | Colombia |
| AYQ | Connellan Airport | Ayers Rock | Australia |
| AYR | Ayr Airport | Townsville | Australia |
| AYS | Ware County Airport | Brunswick | United States of America |
| AYT | Antalya Airport | Antalya | Turkey |
| AYU | Aiyura Airport | Goroka | Papua New Guinea |
| AYW | Ayawasi Airport | Sorong | Indonesia |
| AYZ | Zahns | Ronkonkoma | United States of America |
| AZA | Phoenix–Mesa Gateway Airport | Phoenix | United States of America |
| AZB | Amazon Bay Airport | Alotau | Papua New Guinea |
| AZD | Yazd Airport | Yazd | Iran (Islamic Republic of) |
| AZG | Apatzingan Airport | Uruapan | Mexico |
| AZI | Al Bateen Executive Airport | Abu Dhabi | United Arab Emirates |
| AZN | Andizhan Airport | Andizhan | Uzbekistan |
| AZO | Kalamazoo/Battle Creek International Airport | Kalamazoo | United States of America |
| AZR | Adrar Airport | Adrar | Algeria |
| AZS | Samaná El Catey International | Santo Domingo |  Dominican Republic |
| AZT | Zapatoca Airport | Bucaramanga | Colombia |
| AZZ | Ambriz Airport | Luanda | Angola |