Atodiad:Codau meysydd awyr IATA/A
- AAA (NTGA): Anaa Airport, Anaa, Tuamotu Island, French Polynesia
- AAB (YARY): Arrabury Airport, Arrabury, Queensland, Australia
- AAC (HEAR): El Arish International Airport, El Arish, Egypt
- AAD: Ad-Dabbah Airport, Ad-Dabbah, Sudan
- AAE (DABB): Rabah Bitat Airport (Les Salines Airport): Annaba, Algeria
- AAF (KAAF): Apalachicola Municipal Airport, Apalachicola, Florida, United States
- AAG (SSYA): Arapoti Airport, Arapoti, Paraná, Brazil
- AAH (EDKA): Aachen-Merzbrück Airport, Aachen, Germany
- AAI (SWRA): Arraias Airport, Arraias, Tocantins, Brazil
- AAJ: Cayana Airstrip, Awaradam, Suriname
- AAK (NGUK): Aranuka Airport, Aranuka, Kiribati
- AAL (EKYT): Aalborg Airport, Aalborg, Denmark
- AAM (FAMD): Mala Mala Airport, Mala Mala, South Africa
- AAN (OMAL): Al Ain International Airport, Al Ain, United Arab Emirates
- AAO (SVAN): Anaco Airport, Anaco, Venezuela
- AAP
(KAAP): Andrau Airpark, Alief, Texas, United States (closed 1998)
- AAQ (URKA): Vityazevo Airport, Anapa, Russia
- AAR (EKAH): Aarhus Airport, Aarhus, Denmark
- AAS: Apalapsili Airport, Apalapsili, Indonesia
- AAT (ZWAT): Altay Airport, Altay, Xinjiang, China
- AAU (NSAU): Asau Airport, Asau, Samoa
- AAV (RPMA): Allah Valley Airport, Allah Valley, Mindanao, Philippines
- AAW (OPAB): Abbottabad Airport, Abbottabad, Pakistan
- AAX (SBAX): Araxa Airport (Aeroporto Araxá): Araxá, Minas Gerais, Brazil
- AAY (OYGD): Al Ghaydah Airport, Al Ghaydah, Yemen
- AAZ (MGQZ): Quetzaltenango Airport, Quetzaltenango, Guatemala
- ABA (UNAA): Abakan Airport, Abakan, Khakassia, Russia
- ABB (EGUD): RAF Abingdon, Abingdon, England, United Kingdom
- ABD (OIAA): Abadan Airport, Abadan, Iran
- ABE (KABE): Lehigh Valley International Airport, Allentown, Pennsylvania, United States
- ABF (NGAB): Abaiang Atoll Airport, Abaiang, Kiribati
- ABG: Abingdon Airport, Abingdon, Queensland, Australia
- ABH (YAPH): Alpha Airport, Alpha, Queensland, Australia
- ABI (KABI): Abilene Regional Airport, Abilene, Texas, United States
- ABJ (DIAP): Port Bouet Airport (Felix Houphouet Boigny International Airport): Abidjan, Côte d'Ivoire
- ABK (HAKD): Kabri Dar Airport, Kabri Dar (or Kabre Dare), Ethiopia
- ABL (PAFM): Ambler Airport (FAA: AFM): Ambler, Alaska, United States
- ABM (YBAM): Bamaga Injinoo Airport, Bamaga, Queensland, Australia
- ABN (SMBN): Albina Airport, Albina, Suriname
- ABO (DIAO): Aboisso Airport, Aboisso, Ivory Coast
- ABP: Atkamba Airport, Atkamba, Papua New Guinea
- ABQ (KABQ): Albuquerque International Sunport, Albuquerque, New Mexico, United States
- ABR (KABR): Aberdeen Regional Airport, Aberdeen, South Dakota, United States
- ABS (HEBL): Abu Simbel Airport, Abu Simbel, Egypt
- ABT (OEBA): Al-Baha Domestic Airport, Al-Baha, Saudi Arabia
- ABU (WRKA): Haliwen Airport, Atambua, Indonesia
- ABV (DNAA): Nnamdi Azikiwe International Airport, Abuja, Nigeria
- ABW: Abau Airport, Abau, Papua New Guinea
- ABX (YMAY): Albury Airport, Albury, New South Wales, Australia
- ABY (KABY): Southwest Georgia Regional Airport, Albany, Georgia, United States
- ABZ (EGPD): Dyce Airport, Aberdeen, Scotland, United Kingdom
- ACA (MMAA): General Juan N. Álvarez International Airport, Acapulco, Guerrero, Mexico
- ACB (KACB): Antrim County Airport, Bellaire, Michigan, United States
- ACC (DGAA): Kotoka International Airport, Accra, Ghana
- ACD (SKAD): Alcides Fernández Airport, Acandí, Colombia
- ACE (GCRR): Arrecife Airport, Lanzarote, Canary Islands, Spain
- ACH (LSZR): St. Gallen Altenrhein Airport, Altenrhein, Switzerland
- ACI (EGJA): Alderney Airport, The Blaye, Alderney, Channel Islands, United Kingdom
- ACK (KACK): Nantucket Memorial Airport, Nantucket, Massachusetts, United States
- ACL (SKAG): Cesar Airport, Aguaclara, Colombia
- ACM: Arica Airport, Arica, Colombia
- ACN (MMCC): Ciudad Acuna International Airport, Ciudad Acuña, Coahuila, Mexico
- ACO (LSZD): Ascona Airport, Ascona, Switzerland
- ACR (SKAC): Araracuara Airport, Araracuara, Colombia
- ACS (UNKS): Achinsk Airport, Achinsk, Krasnoyarski, Russia
- ACT (KACT): Waco Regional Airport, Waco, Texas, United States
- ACU: Achutupo Airport, Achutupo, Panama
- ACV (KACV): Arcata/Eureka Airport, McKinleyville, California (near Arcata and Eureka, California), United States
- ACY (KACY): Atlantic City International Airport, Atlantic City, New Jersey, United States
- ACZ (OIZB): Zabol Airport, Zabol, Iran
- ADA (LTAF): Adana Şakirpaşa Airport, Adana, Turkey
- ADB (LTBJ): Adnan Menderes Airport, İzmir, Turkey
- ADC, Andakombe Airport, Andakombe, Papua New Guinea
- ADD (HAAB): Bole International Airport, Addis Ababa, Ethiopia
- ADE (OYAA): Aden International Airport, Aden, Yemen
- ADF (LTCP): Adıyaman Airport, Adıyaman, Turkey
- ADG (KADG): Lenawee County Airport, Adrian, Michigan, United States
- ADH (UEAA): Aldan Airport, Aldan, Russia
- ADI (FYAR): Arandis Airport, Arandis/Swakopmund, Namibia
- ADJ (OJAM): Marka International Airport, Amman, Jordan
- ADK (PADK): Adak Island Airport, Adak Island, Alaska, United States
- ADL (YPAD): Adelaide International Airport, Adelaide, South Australia, Australia
- ADM (KADM): Ardmore Municipal Airport, Ardmore, Oklahoma, United States
- ADN (SKAN): Andes Airport, Andes, Antioquia, Colombia
- ADO (YAMK): Andamooka Airport, Andamooka, South Australia, Australia
- ADP (VCCA): Anuradhapura Airport, Anuradhapura, Sri Lanka
- ADQ (PADQ): Kodiak Airport, Kodiak, Alaska, United States
- ADR (KPHH): Robert F. Swinnie Airport (FAA: PHH): Andrews, South Carolina, United States
- ADS (KADS): Addison Airport, Dallas, Texas, United States
- ADT (KADH): Ada Municipal Airport (FAA: ADH): Ada, Oklahoma, United States
- ADU (OITL): Ardabil Airport, Ardabil, Iran
- ADV (EGWA): Andover Airport, Andover, Hampshire, England, United Kingdom
- ADW (KADW): Andrews Air Force Base, Camp Springs, Maryland, United States
- ADX (EGQL): RAF Leuchars, St Andrews, Scotland, United Kingdom
- ADY (FAAL): Alldays Airport, Alldays, South Africa
- ADZ (SKSP): Gustavo Rojas Pinilla Airport, San Andres Island, Colombia
- AEA (NGTB): Abemama Atoll Airport, Abemama Atoll, Kiribati
- AED (PARD): Red Dog Airport, Red Dog, Alaska, United States
- AEG (KAEG): Double Eagle II Airport, Albuquerque, New Mexico, United States
- AEG (WIME): Aek Godang Airport, Padang Sidempuan, Sumatra, Indonesia
- AEH (FTTC): Abéché Airport, Abéché, Chad
- AEK, Aseki Airport, Aseki, Papua New Guinea
- AEL (KAEL): Albert Lea Municipal Airport, Albert Lea, Minnesota, United States
- AEO (GQNA): Aioun El Atrouss Airport, Ayoun el Atrous, Mauritania
- AEP (SABE): Jorge Newbery Airpark, Buenos Aires, Argentina
- AER (URSS): Adler-Sochi International Airport, Sochi, Krasnodar, Russia
- AES (ENAL): Ålesund Airport, Vigra, Aalesund, Norway
- AET: Allakaket Airport (FAA: 6A8): Allakaket, Alaska, United States
- AEX (KAEX): Alexandria International Airport, Alexandria, Louisiana, United States
- AEY (BIAR): Akureyri Airport, Akureyri, Iceland
- AFA (SAMR):San Rafael Airport, San Rafael, Mendoza, Argentina
- AFD (FAPA): Port Alfred Airport, Port Alfred, South Africa
- AFF (KAFF): United States Air Force Academy Airfield, Colorado Springs, Colorado, United States
- AFI (SKAM): Amalfi Airport, Amalfi, Antioquia, Colombia
- AFL (SBAT): Alta Floresta Airport, Alta Floresta, Brazil
- AFN (KAFN): Jaffrey Airport - Silver Ranch Airport, Jaffrey, New Hampshire, United States
- AFO (KAFO): Afton Municipal Airport, Afton, Wyoming, United States
- AFR: Afore Airport, Afore, Papua New Guinea
- AFT (AGAF): Afutara Aerodrome, Afutara, Solomon Islands
- AFW (KAFW): Fort Worth Alliance Airport, Fort Worth, Texas, United States
- AFY (LTAH): Afyon Airport, Afyon, Turkey
- AGA (GMAD): Al Massira Airport, Agadir, Morocco
- AGB (EDMA): Augsburg Airport, Augsburg, Bavaria, Germany
- AGC (KAGC): Allegheny County Airport, Pittsburgh, Pennsylvania, United States
- AGD: Anggi Airport, Anggi, Indonesia
- AGE (EDWG): Wangerooge Airport, Wangerooge, Lower Saxony, Germany
- AGF (LFBA): Agen - La Garenne Aerodrome, Agen, France
- AGG: Angorarn Airport, Angorarn, Papua New Guinea
- AGH (ESTA): Ängelholm-Helsingborg Airport (former ICAO code: ESDB): Ängelholm, Sweden
- AGI (SMWA): Wageningen Airport, Wageningen, Suriname
- AGJ (RORA): Aguni Airport, Aguni, Okinawa, Japan
- AGK: Kagua Airport, Kagua, Papua New Guinea
- AGL: Wanigela Airport, Wanigela, Papua New Guinea
- AGM (BGAM): Ammassalik Heliport, Tasiilaq, Greenland
- AGN (PAGN): Angoon Seaplane Base, Angoon, Alaska, United States
- AGO (KAGO): Magnolia Municipal Airport, Magnolia, Arkansas, United States
- AGP (LEMG): Málaga Airport (Pablo Ruiz Picasso Airport), Málaga, Spain
- AGQ (LGAG): Agrinion Airport, Agrinion, Greece
- AGR (VIAG): Kheria Airport, Agra, India
- AGR is FAA code (not IATA) for MacDill AFB Aux. Field in Avon Park, Florida, USA
- AGS (KAGS): Augusta Regional Airport at Bush Field, Augusta, Georgia, United States
- AGT (SGES): Guarani International Airport (Alejo Garcia Airport): Ciudad del Este, Paraguay
- AGU (MMAS): Lic. Jesús Terán Peredo International Airport, Aguascalientes, Mexico
- AGV (SVAC): Oswaldo Guevara Mujica Airport, Acarigua, Venezuela
- AGW: Agnew Airport, Agnew, Queensland, Australia
- AGX (VOAT): Agatti Island Airport, Agatti Island, India
- AGY: Argyle Downs Airport, Argyle Downs, Western Australia, Australia
- AGZ (FAAG): Aggeneys Airport, Aggeneys, South Africa
- AGZ is FAA code (not IATA) for Wagner Municipal Airport in Wagner, South Dakota, USA
- AHB (OEAB): Abha Regional Airport, Abha / Khamis Mushait, Saudi Arabia
- AHC (KAHC): Amedee Army Airfield, Herlong, California, United States
- AHD: Ardmore Downtown Executive Airport (FAA: 1F0): Ardmore, Oklahoma, United States
- AHE (NTHE): Ahe Airport, Ahe, French Polynesia
- AHF: Arapahoe Municipal Airport (FAA: 37V): Arapahoe, Nebraska, United States
- AHH (KAHH): Amery Municipal Airport, Amery, Wisconsin, United States
- AHI (WAPA): Amahai Airport, Amahai, Indonesia
- AHL (SYAH): Aishalton Airport, Aishalton, Guyana
- AHN (KAHN): Athens-Ben Epps Airport, Athens, Georgia, United States
- AHO (LIEA): Fertilia Airport (Alghero Airport): Alghero, Sardinia, Italy
- AHS: Ahuas Airport, Ahuas, Honduras
- AHU (GMTA): Charif AI ldrissi Airport, Al Hoceima, Morocco
- AHY: Ambatolahy Airport, Ambatolahy, Madagascar
- AHZ (LFHU): Alpe d'Huez Airport, Alpe d'Huez, France
- AIA (KAIA): Alliance Municipal Airport, Alliance, Nebraska, United States
- AIC: Airok Airport, Airok, Marshall Islands
- AID (KAID): Anderson Municipal Airport (Darlington Field): Anderson, Indiana, United States
- AIE: Aiome Airport, Aiome, Papua New Guinea
- AIF (SBAS): Assis Airport, Assis, São Paulo, Brazil
- AIG (FEFY): Yalinga Airport, Yalinga, Central African Republic
- AIH: Aiambak Airport, Aiambak, Papua New Guinea
- AII (HDAS): Ali-Sabieh Airport, Ali-Sabieh, Djibouti
- AIK (KAIK): Aiken Municipal Airport, Aiken, South Carolina, United States
- AIL: Ailigandi Airport, Ailigandi, Panama
- AIM: Ailuk Island Airport, Ailuk Island, Marshall Islands
- AIN (PAWT): Wainwright Airport (FAA: AWI): Fort Wainwright, Alaska, United States
- AIO (KAIO): Atlantic Municipal Airport, Atlantic, Iowa, United States
- AIP: Ailinglapalap Island Airport, Ailinglapalap Island, Marshall Islands
- AIR: Aripuanã Airport, Aripuanã, Mato Grosso, Brazil
- AIS (NGTR): Arorae Island Airport, Arorae Island, Kiribati
- AIT (NCAI): Aitutaki Island Airport, Aitutaki, Cook Islands; AIT is FAA code (not IATA) for Aitkin Municipal Airport in Aitkin, Minnesota, USA
- AIU (NCAT): Atiu Island Airport, Atiu Island, Cook Islands
- AIV (KAIV): George Downer Airport, Aliceville, Alabama, United States
- AIW: Ai-Ais Airport, Ai-Ais, Namibia
AIY (KAIY): Atlantic City Municipal Airport (Bader Field): Atlantic City, New Jersey, United States (closed 2006)
- AIZ (KAIZ): Lee C. Fine Memorial Airport, Lake Ozark, Missouri, United States
- AJA (LFKJ): Ajaccio - Campo dell'Oro Airport, Ajaccio, Corsica, France
- AJF (OESK): Al-Jawf Domestic Airport, Al-Jawf, Saudi Arabia
- AJI (LTCO): Ağrı Airport, Ağrı, Turkey
- AJJ (GQNJ): Akjoujt Airport, Akjoujt, Mauritania
- AJL (VEAZ): Aizawl Airport, Aizawl, India
- AJN (FMCV): Ouani Airport, Anjouan, Comoros Islands
- AJO (OESK): Aljouf Airport, Aljouf, Yemen
- AJR (ESNX): Arvidsjaur Airport, Arvidsjaur, Sweden
- AJS , Abreojos Airport, Abreojos, Baja California Sur, Mexico
- AJU (SBAR): Santa Maria Airport, Aracaju, Sergipe, Brazil
- AJY (DRZA): Manu Dayak International Airport, Agadez, Niger
- AKA (ZLAK): Ankang Airport, Ankang, Shaanxi, China
- AKB (PAAK): Atka Airport (FAA: AKA): Atka, Alaska, United States
- AKC (KAKR): Akron Fulton International Airport (FAA: AKR): Akron, Ohio, United States
- AKD (VAAK): Akola Airport, Akola, India
- AKE (FOGA): Akieni Airport, Akieni, Gabon
- AKF (HLKF): Kufrah Airport, Kufrah, Libya
- AKG: Anguganak Airport, Anguganak, Papua New Guinea
- AKI: Akiak Airport, Akiak, Alaska, United States
- AKJ (RJEC): Asahikawa Airport, Asahikawa, Hokkaido, Japan
- AKK (PAKH): Akhiok Airport, Akhiok, Alaska, United States
- AKL (NZAA): Auckland International Airport, Mangere (Auckland), New Zealand
- AKM: Zakouma Airport, Zakouma, Chad
- AKN (PAKN): King Salmon Airport, King Salmon, Alaska, United States
- AKO (KAKO): Colorado Plains Regional Airport, Akron, Colorado, United States
- AKP (PAKP): Anaktuvuk Pass Airport, Anaktuvuk Pass, Alaska, United States
- AKQ (WIAG): Gunung Batin Airport, Astraksetra, Indonesia
- AKR (DNAK): Akure Airport, Akure, Nigeria
- AKS (AGGA): Gwaunaru'u Airport, Auki, Solomon Islands
- AKT (LCRA): RAF Akrotiri, Akrotiri, Cyprus
- AKU (ZWAK): Aksu Airport, Aksu, Xinjiang, China
- AKV (CYKO): Akulivik Airport, Akulivik, Québec, Canada
- AKX (UATT): Aktyubinsk Airport, Aktyubinsk (Aqtobe), Kazakhstan
- AKY (VYSW): Sittwe Airport, Sittwe, Myanmar (Burma)
- ALA (UAAA): Almaty International Airport, Almaty, Kazakhstan
- ALB (KALB): Albany International Airport, Albany, New York, United States
- ALC (LEAL): El Altet Airport, Alicante, Spain
- ALD (SPAR): Alerta Airport, Alerta, Peru
- ALE: Alpine-Casparis Municipal Airport (FAA: E38): Alpine, Texas, United States
- ALF (ENAT): Alta Airport, Alta, Norway
- ALG (DAAG): Houari Boumedienne Airport, Algiers, Algeria
- ALH (YABA): Albany Airport, Albany, Western Australia, Australia
- ALI (KALI): Alice International Airport, Alice, Texas, United States
- ALJ (FAAB): Kortdoorn Airport, Alexander Bay, South Africa
- ALK: Asella Airport, Asella, Ethiopia
- ALL (LIMG): Albenga Airport, Albenga/Villanova, Italy
- ALM (KALM): Alamogordo-White Sands Regional Airport, Alamogordo, New Mexico, United States
- ALN (KALN): St. Louis Regional Airport, Alton, Illinois, United States
- ALO (KALO): Waterloo Regional Airport, Waterloo, Iowa, United States
- ALP (OSAP): Aleppo International Airport (Nejrab Airport): Aleppo, Syria
- ALQ (SSLT): Alegrete Federal Airport, Alegrete, Rio Grande do Sul, Brazil
- ALR (NZLX): Alexandra Airport, Alexandra, New Zealand
- ALS (KALS): San Luis Valley Regional Airport, Alamosa, Colorado, United States
- ALT: Alenquer Airport, Alenquer, Pará, Brazil
- ALU (HCMA): Alula Airport, Alula, Somalia
- ALV: Andorra La Vella Airport, Andorra La Vella, Andorra
- ALW (KALW): Walla Walla Regional Airport, Walla Walla, Washington, United States
- ALX (KALX): Thomas C. Russell Field, Alexander City, Alabama, United States
- ALY (HEAX): El Nouzha Airport (Alexandria International Airport): Alexandria, Egypt
- ALZ: Alitak Seaplane Base, Lazy Bay, Alaska, United States
- AMA (KAMA): Rick Husband Amarillo International Airport, Amarillo, Texas, United States
- AMB (FMNE): Ambilobe Airport, Ambilobe, Madagascar
- AMC (FTTN): Am Timan Airport, Am Timan, Chad
- AMD (VAAH): Sardar Vallabhbhai Patel International Airport, Ahmedabad, India
- AME: Alto Molocue Airport, Alto Molocue, Mozambique
- AMF: Ama Airport, Ama, Papua New Guinea
- AMG: Amboin Airport, Amboin, Papua New Guinea
- AMH (HAAM): Arba Minch Airport, Arba Minch, Ethiopia
- AMI (WADA): Selaparang Airport, serving Mataram, Indonesia
- AMJ (SNAR): Almenara Airport, Almenara, Minas Gerais, Brazil
- AMK: Animas Air Park (FAA: 00C): Durango, Colorado, United States
- AML: Puerto Armuellas Airport, Puerto Armuellas, Panama
- AMM (OJAI): Queen Alia International Airport, Amman, Jordan
- AMN (KAMN): Gratiot Community Airport, Alma, Michigan, United States
- AMO (FTTU): Mao Airport, Mao, Chad
- AMP (FMSY): Ampanihy Airport, Ampanihy, Madagascar
- AMQ (WAPP): Pattimura Airport, Ambon, Maluku, Indonesia
- AMR: Arno Airport, Arno, Marshall Islands
- AMS (EHAM): Schiphol Airport, Haarlemmermeer (near Amsterdam), Netherlands
- AMT (YAMT): Amata Airport, Amata, Northern Territory, Australia
- AMU: Amanab Airport, Amanab, Papua New Guinea
- AMV (ULDD): Amderma Airport, Amderma, Russia
- AMW (KAMW): Ames Municipal Airport, Ames, Iowa, United States
- AMX: Ammaroo Airport, Ammaroo, Northern Territory Australia
- AMY: Ambatomainty Airport, Ambatomainty, Madagascar
- AMZ (NZAR): Ardmore Airport, Ardmore, New Zealand
- ANB (KANB): Anniston Metropolitan Airport, Anniston, Alabama, United States
- ANC (PANC): Ted Stevens Anchorage International Airport, Anchorage, Alaska, United States
- AND (KAND): Anderson Regional Airport, Anderson, South Carolina, United States
- ANE (LFRA): Angers - Avrillé Aerodrome (Angers-Marcé Airport): Angers, France
- ANF (SCFA): Cerro Moreno International Airport, Antofagasta, Chile
- ANG (LFBU): Angoulême - Brie - Champniers Airport, Angoulême, France
- ANH: Anuha Island Resort Airport, Anuha Island Resort, Solomon Islands
- ANI (PANI): Aniak Airport, Aniak, Alaska, United States
- ANJ (FCBZ): Zanaga Airport, Zanaga, Republic of the Congo
- ANK (LTAD): Etismegut Airport, Ankara, Turkey
- ANL: Andulo Airport, Andulo, Angola
- ANM (FMNH): Antsirabato Airport, Antalaha, Madagascar
- ANN (PANT): Annette Island Airport, Annette Island, Alaska, United States
- ANO (FQAG): Angoche Airport, Angoche, Mozambique
- ANP (KANP): Lee Airport, Annapolis, Maryland, United States
- ANQ (KANQ): Tri-State Steuben County Airport, Angola, Indiana, United States
- ANR (EBAW): Antwerp International Airport, Antwerp, Belgium
- ANS (SPHY): Andahuaylas Airport, Andahuaylas, Peru
- ANT: St. Anton Airport, St. Anton, Austria
- ANU (TAPA): V.C. Bird International Airport, St. John's, Antigua, Antigua and Barbuda
- ANV (PANV): Anvik Airport, Anvik, Alaska, United States
- ANW (KANW): Ainsworth Municipal Airport, Ainsworth, Nebraska, United States
- ANX (ENAN): Andøya Airport, Andenes, Andenes, Norway
- ANY (KANY): Anthony Municipal Airport, Anthony, Kansas, United States
- ANZ: Angus Downs Airport, Angus Downs, Northern Territory, Australia
- AOA: Aroa Airport, Aroa, Papua New Guinea
- AOB: Annanberg Airport, Annanberg, Papua New Guinea
- AOC (EDAC): Altenburg-Nobitz Airport, Altenburg, Thuringia, Germany
- AOD: Abou Deia Airport, Abou Deia, Chad
- AOE (LTBY): Anadolu Airport, Eskişehir, Turkey
- AOG (ZYAS): Anshan Airport, Anshan, Liaoning, People's Republic of China
- AOH (KAOH): Lima Allen County Airport, Lima, Ohio, United States
- AOI (LIPY): Falconara Airport, Ancona, Italy
- AOJ (RJSA): Aomori Airport, Aomori, Japan
- AOK (LGKP): Karpathos Airport, Karpathos, Greece
- AOL (SARL): Paso de los Libres Airport, Paso de los Libres, Corrientes, Argentina
- AON: Arona Airport, Arona, Papua New Guinea
- AOO (KAOO): Altoona-Blair County Airport, Altoona, Pennsylvania, United States
- AOR (WMKA): Sultan Abdul Halim Airport, Alor Star, Kedah, Malaysia
- AOS: Amook Bay Seaplane Base (FAA: AK81): Amook Bay, Alaska, United States
- AOT (LIMW): Corrado Gex Airport, Aosta, Italy
- AOU (VLAP): Attopeu Airport, Attopeu, Laos
- APA (KAPA): Centennial Airport, Arapahoe County, Colorado, United States
- APB (SLAP): Apolo Airport, Apolo, Bolivia
- APC (KAPC): Napa County Airport, Napa, California, United States
- APE (SPAO): San Juan Aposento Airport, San Juan Aposento, Peru
- APF (KAPF): Naples Municipal Airport, Naples, Florida, United States
- APG (KAPG): Phillips Army Airfield, Aberdeen Proving Ground, Maryland, United States
- APH (KAPH): A.P. Hill Army Airfield, Fort A.P. Hill, Virginia, United States
- API (SKAP): Gomez Nino-Apiay Airport, Apiay, Colombia
- APK (NTGD): Apataki Airport, Apataki, French Polynesia
- APL (FQNP): Nampula Airport, Nampula, Mozambique
- APN (KAPN): Alpena County Regional Airport, Alpena, Michigan, United States
- APO: Apartado Airport, Apartado, Colombia
- APP: Asapa Airport, Asapa, Papua New Guinea
- APQ (SNAL): Arapiraca Airport, Arapiraca, Alagoas, Brazil
- APR: April River Airport, April River, Papua New Guinea
- APS (SWNS): Anápolis Airport, Anápolis, Goiás, Brazil
- APT (KAPT): Marion County Airport (Brown Field): Jasper, Tennessee, United States
- APU (SSAP): Apucarana Airport, Apucarana, Paraná, Brazil
- APV (KAPV): Apple Valley Airport, Apple Valley, California, United States
- APW (NSFA): Faleolo International Airport, Apia, Upolu Island, Western Samoa
- APX (SSOG): Arapongas Airport, Arapongas, Paraná, Brazil
- APY (SNAI): Alto Parnaíba Airport, Alto Parnaíba, Maranhão, Brazil
- APZ (SAHZ): Zapala Airport, Zapala, Neuquén, Argentina
- AQA (SBAQ): Araraquara Airport, Araraquara, São Paulo, Brazil
- AQB (MGQC): Quiché Airport, Santa Cruz del Quiché, El Quiché, Guatemala
- AQG (ZSAQ): Anqing Airport, Anqing, Anhui, China
- AQI (OEPA): Qaisumah Domestic Airport, Qaisumah, Hafar Al-Batin, Eastern Province, Saudi Arabia
- AQJ (OJAQ): King Hussein International Airport, Aqaba, Jordan
- AQM: Ariquemes Airport, Ariquemes, Rondônia, Brazil
- AQP (SPQU): Rodriguez Ballon International Airport, Arequipa, Peru
- AQS: Saqani Airport, Saqani, Fiji
- ARA (KARA): Acadiana Regional Airport, New Iberia, Louisiana, United States
- ARB (KARB): Ann Arbor Municipal Airport, Ann Arbor, Michigan, United States
- ARC (PARC): Arctic Village Airport, Arctic Village, Alaska, United States
- ARD (WATM): Alor Island Airport, Alor Island, Indonesia
- ARE (TJAB): Antonio (Nery) Juarbe Pol Airport (FAA: ABO): Arecibo, Puerto Rico
- ARF: Acaricuara Airport, Acaricuara, Colombia
- ARG (KARG): Walnut Ridge Regional Airport, Walnut Ridge, Arkansas, United States
- ARH (ULAA): Talagi Airport, Arkhangelsk, Russia
- ARI (SCAR): Chacalluta International Airport, Arica, Chile
- ARJ (WAJA): Arso Airport, Arso, Indonesia
- ARK (HTAR): Arusha Airport, Arusha, Tanzania
- ARL (DFER): Arly Airport, Arly, Burkina Faso
- ARM (YARM): Armidale Airport, Armidale, New South Wales, Australia
- ARN (ESSA): Arlanda Airport, Stockholm, Sweden
- ARO: Arboletas Airport, Arboletas, Colombia
- ARP: Aragip Airport, Aragip, Papua New Guinea
- ARQ: Arauquita Airport (El Troncal): Arauquita, Colombia
- ARR (SAVR): Alto Rio Senguerr Airport, Alto Rio Senguerr, Chubut Province, Argentina
- ARS (SWEC): Aragarças Airport, Aragarças, Goiás, Brazil
- ART (KART): Watertown International Airport, Watertown, New York, United States
- ARU (SBAU): Araçatuba Airport, Araçatuba, São Paulo, Brazil
- ARV (KARV): Lakeland/Noble F. Lee Memorial Field, Minocqua/Woodruff, Wisconsin, United States
- ARW (LRAR): Arad International Airport, Arad, Romania
ARX , Asbury Park Neptune Airport, Asbury Park, New Jersey, United States (closed 1977)
- ARY (YARA): Ararat Airport, Ararat, Victoria, Australia
- ARZ (FNZE): N'Zeto Airport, N'Zeto, Angola
- ASA (HHSB): Asseb International Airport, Asseb, Eritrea
- ASB (UTAA): Ashgabat Airport, Ashgabat, Turkmenistan
- ASC (SLAS): Ascension de Guarayos Airport, Ascension de Guarayos, Bolivia
- ASD (MYAF): Andros Town International Airport, Andros Island, Bahamas
- ASE (KASE): Aspen-Pitkin County Airport (Sardy Field): Aspen, Colorado, United States
- ASF (URWA): Astrakhan Airport, Astrakhan, Russia
- ASG (NZAS): Ashburton Airport, Ashburton, New Zealand
- ASH (KASH): Boire Field, Nashua, New Hampshire, United States
- ASI (FHAW): Wideawake Field, Georgetown, Ascension Island, Saint Helena
- ASJ (RJKA): Amami O Shima Airport, Amami Island, Japan
- ASK (DIYO): Yamoussoukro Airport, Yamoussoukro, Côte D'Ivoire
- ASL (KASL): Harrison County Airport, Marshall, Texas, United States
- ASM (HHAS): Asmara International Airport, Asmara, Eritrea
- ASN (KASN): Talladega Municipal Airport, Talladega, Alabama, United States
- ASO (HASO): Asosa Airport, Asosa, Ethiopia
- ASP (YBAS): Alice Springs Airport, Alice Springs, Northern Territory, Australia
- ASQ: Austin Airport (FAA: 9U3): Austin, Nevada, United States
- ASR (LTAU): Erkilet International Airport, Kayseri Province, Turkey
- AST (KAST): Astoria Regional Airport, Astoria, Oregon, United States
- ASU (SGAS): Silvio Pettirossi International Airport, Asunción, Paraguay
- ASV (HKAM): Amboseli Airport, Amboseli, Kenya
- ASW (HESN): Aswan International Airport, Aswan, Egypt
- ASX (KASX): John F. Kennedy Memorial Airport, Ashland, Wisconsin, United States
- ASY (KASY): Ashley Municipal Airport, Ashley, North Dakota, United States
- ASZ: Asirim Airport, Asirim, Papua New Guinea
- ATA (SPHZ): Comandante FAP German Arias Grazziani Airport, Anta Huaraz, Peru
- ATB (HSAT): Atbara Airport, Atbarah, Sudan
- ATC (MYCA): Arthur's Town Airport, Arthur's Town, Cat Island, Bahamas
- ATD (AGAT): Atoifi Airport, Atoifi, Malaita, Solomon Islands
- ATE: Antlers Municipal Airport (FAA: 80F): Antlers, Oklahoma, United States
- ATF (SEAM): Chachoan Airport, San Juan de Ambato, Ecuador
- ATG: Attock Airport, Attock, Pakistan
- ATH (LGAV): Eleftherios Venizelos International Airport (succeeded Ellinikon International Airport): Athens, Greece
- ATI (SUAG): Artigas International Airport, Artigas, Uruguay
- ATJ (FMME): Antsirabe Airport, Antsirabe, Madagascar
- ATK (PATQ): Atqasuk Edward Burnell Sr. Memorial Airport, Atqasuk, Alaska, United States
- ATL (KATL): Hartsfield-Jackson Atlanta International Airport, Atlanta, Georgia, United States
- ATM (SBHT): Altamira Airport, Altamira, Pará, Brazil
- ATN: Namatanai Airport, Namatanai, Papua New Guinea
- ATO (KUNI): Ohio University Airport (Snyder Field) (FAA: UNI): Athens/Albany, Ohio, United States
- ATP: Aitape Airstrip, Aitape, Papua New Guinea
- ATQ (VIAR): Raja Sansi International Airport, Amritsar, India
- ATR (GQPA): Mouakchott Airport, Atar, Mauritania
- ATS (KATS): Artesia Municipal Airport, Artesia, New Mexico, United States
- ATT: Atmautluak Airport (FAA: 4A2): Atmautluak, Alaska, United States
- ATU (PATU): Casco Cove Coast Guard Station, Attu Island, Alaska, United States
- ATV (FTTI): Ati Airport, Ati, Chad
- ATW (KATW): Outagamie County Regional Airport, Greenville, Wisconsin (near Appleton), United States
- ATX: Atbasar Airport, Atbasar, Kazakstan
- ATY (KATY): Watertown Regional Airport, Watertown, South Dakota, United States
- ATZ (HEAT): Assiut Airport, Assiut, Egypt
- AUA (TNCA): Aeropuerto Internacional Reina Beatrix (Queen Beatrix International Airport), Oranjestad, Aruba
- AUB: Itauba Airport, Itauba, Mato Grosso, Brazil
- AUC (SKUC): Santiago Pérez Airport, Arauca, Colombia
- AUD (YAGD): Augustus Downs Airport, Augustus Downs, Queensland, Australia
- AUE: Abu Rudeis Airport, Abu Rudeis, Egypt
- AUF (LFLA): Auxerre - Branches Airport, Auxerre, France
- AUG (KAUG): Augusta State Airport, Augusta, Maine, United States
- AUH (OMAA): Abu Dhabi International Airport, Abu Dhabi, United Arab Emirates
- AUI: Aua Island Airport, Aua Island, Papua New Guinea
- AUJ: Ambunti Airport, Ambunti, Papua New Guinea
- AUK: Alakanuk Airport, Alakanuk, Alaska, United States
- AUL: Aur Island Airport, Aur Island, Marshall Islands
- AUM (KAUM): Austin Municipal Airport, Austin, Minnesota, United States
- AUN (KAUN): Auburn Municipal Airport, Auburn, California, United States
- AUO (KAUO): Auburn-Opelika Robert G. Pitts Airport, Auburn, Alabama, United States
- AUP: Agaun Airport, Agaun, Papua New Guinea
- AUQ: Atuona Airport, Atuona, Marquesas Islands, French Polynesia
- AUR (LFLW): Aurillac Airport, Aurillac, France
- AUS (KAUS): Austin-Bergstrom International Airport, Austin, Texas, United States
- AUT (WPAT): Atauro Airport, Atauro Island, East Timor (Timor-Leste)
- AUU (YAUR): Aurukun Airport, Aurukun Mission, Queensland, Australia
- AUV: Aurno Airport, Aurno, Papua New Guinea
- AUW (KAUW): Wausau Downtown Airport, Wausau, Wisconsin, United States
- AUX (SWGN): Araguaína Airport, Araguaína, Tocantins, Brazil
- AUY (NVVA): Aneityum Airport, Aneityum, Taféa, Vanuatu
- AUZ (KARR): Aurora Municipal Airport (FAA: ARR): Aurora, Illinois, United States
- AVB (LIPA): Aviano Air Base, Aviano, Pordenone, Italy
- AVF: Avoriaz Airport, Avoriaz, France
- AVG (YAUV): Auvergne Airport, Auvergne, Northern Territory, Australia
- AVI (MUCA): Máximo Gómez Airport, Ciego de Ávila, Cuba
- AVK (ZMAH): Arvaikheer Airport, Arvaikheer, Mongolia
- AVL (KAVL): Asheville Regional Airport, Fletcher, North Carolina, United States, near Asheville
- AVN (LFMV): Avignon - Caumont Airport, Avignon, France
- AVO (KAVO): Avon Park Executive Airport, Avon Park, Florida, United States
- AVP (KAVP): Wilkes-Barre/Scranton International Airport, Avoca, Pennsylvania, United States
- AVU (AGGJ): Avu Avu Airport, Avu Avu, Solomon Islands
- AVV (YMAV): Avalon Airport, Avalon, Victoria, Australia
- AVW (KAVQ): Marana Regional Airport (FAA: AVQ): Tucson, Arizona, United States
- AWA (HALA): Awasa Airport, Awasa, Ethiopia
- AWB: Awaba Airport, Awaba, Papua New Guinea
- AWD (NVVB): Aniwa Airport, Aniwa, Taféa, Vanuatu
- AWE: Alowe Airport, Alowe, Gabon
- AWH: Awareh Airport, Awareh, Ethiopia
- AWK (PWAK): Wake Island Airfield, Wake Island, United States Minor Outlying Islands
- AWM (KAWM): West Memphis Municipal Airport, West Memphis, Arkansas, United States
- AWN: Afton Downs Airport, Afton Downs, South Australia, Australia
- AWP: Austral Downs Airport, Austral Downs, Northern Territory, Australia
- AWR: Awar Airport, Awar, Papua New Guinea
- AWZ (OIAW): Ahwaz Airport, Ahwaz, Iran
- AXA (TQPF): Wallblake Airport, The Valley, Anguilla
- AXB: Maxson Airfield (FAA: 89N): Alexandria Bay, New York, United States
- AXC (YAMC): Aramac Airport, Aramac, Queensland, Australia
- AXD (LGAL): Dimokritos Airport, Alexandroupolis, Greece
- AXE: Xanxere Airport, Xanxerê, Santa Catarina, Brazil
- AXG (KAXA): Algona Municipal Airport (FAA: AXA): Algona, Iowa, United States
- AXK (OYAT): Ataq Airport, Ataq, Yemen
- AXL: Alexandria Airport, Alexandria, Northern Territory, Australia
- AXM (SKAR): El Edén Airport, Armenia, Colombia
- AXN (KAXN): Chandler Field, Alexandria, Minnesota, United States
- AXP (MYAP): Spring Point Airport, Spring Point, Acklins Island, Bahamas
- AXR (NTGU): Arutua Airport, Arutua, Tuamotus, French Polynesia
- AXS (KAXS): Altus/Quartz Mountain Regional Airport, Altus, Oklahoma, United States
- AXT (RJSK): Akita Airport, Akita, Honshū, Japan
- AXU (HAAX): Axum Airport, Axum, Ethiopia
- AXV (KAXV): Neil Armstrong Airport, Wapakoneta, Ohio, United States
- AXX (KAXX): Angel Fire Airport, Angel Fire, New Mexico, United States
- AYA: Ayapel Airport, Ayapel, Colombia
- AYC: Ayacucho Airport, Ayacucho, Colombia
- AYD: Alroy Downs Airport, Alroy Downs, Northern Territory, Australia
- AYG (SKYA): Yaguara Airport, Yaguara, Colombia
- AYH (EGWZ): RAF Alconbury, Alconbury, England, United Kingdom
- AYI: Yari Airport, Yari, Colombia
- AYK (UAUR): Arkalyk Airport, Arkalyk, Kazakhstan
- AYL: Anthony Lagoon Airport, Anthony Lagoon, Northern Territory, Australia
- AYN (ZHAY): Anyang Airport, Anyang, Henan, China
- AYO (SGAY): Juan De Ayolas Airport, Ayolas, Paraguay
- AYP (SPHO): Coronel FAP Alfredo Mendivil Duarte Airport, Ayacucho, Peru
- AYQ (YAYE): Ayers Rock Airport, Yulara, Northern Territory, Australia
- AYR (YAYR): Ayr Airport, Ayr, Queensland, Australia
- AYS (KAYS): Waycross-Ware County Airport, Waycross, Georgia, United States
- AYT (LTAI): Antalya Airport, Antalya, Turkey
- AYU: Aiyura Airport, Aiyura, Papua New Guinea
- AYW: Ayawasi Airport, Ayawasi, Indonesia
- AZA (KIWA) - Phoenix-Mesa Gateway Airport (FAA: IWA) - Phoenix, Arizona, United States
- AZB: Amazon Bay Airport, Amazon Bay, Papua New Guinea
- AZD (OIYY): Yazd Shahid Sadooghi Airport, Yazd, Iran
- AZG: Pablo L. Sidar Airport, Apatzingán, Michoacán, Mexico
- AZI (OMAD): Bateen Airport, Abu Dhabi, United Arab Emirates
- AZN (UTKA): Andizhan Airport, Andizhan, Uzbekistan
- AZO (KAZO): Kalamazoo-Battle Creek International Airport, Kalamazoo, Michigan, United States
- AZP: Atizapan Airport, Mexico City, Mexico
- AZR (DAUA): Touat Cheikh Sidi Mohamed Belkebir Airport, Adrar, Algeria
- AZS (MDCY): Samaná El Catey International Airport, El Catey, Samaná, Dominican Republic
- AZT: Zapatoca Airport, Zapatoca, Colombia
- AZZ (FNAM): Ambriz Airport, Ambriz, Angola