- Aracaju - Santa Maria AirportIdent: SBARCountry: Brazil
- Aracati Dragão do Mar Regional AirportIdent: SBACCountry: Brazil
- Arad International AirportIdent: LRARCountry: Romania
- Aradah AirportIdent: OE55Country: Saudi Arabia
- Araguaína AirportIdent: SWGNCountry: Brazil
- Arandis AirportIdent: FYARCountry: Namibia
- Arar Domestic AirportIdent: OERRCountry: Saudi Arabia
- Araraquara AirportIdent: SBAQCountry: Brazil
- Ararat AirportIdent: YARACountry: Australia
- Araçatuba AirportIdent: SBAUCountry: Brazil
- Arba Minch AirportIdent: HAAMCountry: Ethiopia
- Arctic Village AirportIdent: PARCCountry: United States
- Ardabil AirportIdent: OITLCountry: Iran
- Ardmore AirportIdent: NZARCountry: New Zealand
- Area De Material AirportIdent: SAOCCountry: Argentina
- Arkansas International AirportIdent: KBYHCountry: United States
- Arlington Municipal AirportIdent: KAWOCountry: United States
- Armidale AirportIdent: YARMCountry: Australia
- Armilla Air BaseIdent: LEGACountry: Spain
- Armstrong AirportIdent: CYYWCountry: Canada
- Arnold Palmer Regional AirportIdent: KLBECountry: United States
- Arrachart AirportIdent: FMNACountry: Madagascar
- Arthur's Town AirportIdent: MYCACountry: Bahamas
- Arua AirportIdent: HUARCountry: Uganda
- Arusha AirportIdent: HTARCountry: Tanzania
- Arutua AirportIdent: NTGUCountry: French Polynesia
- Arvaikheer AirportIdent: ZMAHCountry: Mongolia
- Arvidsjaur AirportIdent: ESNXCountry: Sweden
- Arxan Yi'ershi AirportIdent: ZBESCountry: China
- Asahikawa AirportIdent: RJECCountry: Japan
- Asheville Regional AirportIdent: KAVLCountry: United States
- Ashgabat Bezmein Air BaseIdent: UT1GCountry: Turkmenistan
- Asmara International AirportIdent: HHASCountry: Eritrea
- Asosa AirportIdent: HASOCountry: Ethiopia
- Aspen-Pitkin County Airport (Sardy Field)Ident: KASECountry: United States
- Assab International AirportIdent: HHSBCountry: Eritrea
- Astoria Regional AirportIdent: KASTCountry: United States
- Ataq AirportIdent: OYATCountry: Yemen
- Atar International AirportIdent: GQPACountry: Mauritania
- Athens Ben Epps AirportIdent: KAHNCountry: United States
- Atikokan Municipal AirportIdent: CYIBCountry: Canada
- Atlantic City International AirportIdent: KACYCountry: United States
- Atqasuk Edward Burnell Sr Memorial AirportIdent: PATQCountry: United States
- Aubenas-South Ardèche AirportIdent: LFHOCountry: France
- Auch Gers AirfieldIdent: LFDHCountry: France
- Augsburg AirportIdent: EDMACountry: Germany
- Augusta Regional At Bush FieldIdent: KAGSCountry: United States
- Augusta State AirportIdent: KAUGCountry: United States
- Aurangabad AirportIdent: VAAUCountry: India
- Aurillac airportIdent: LFLWCountry: France
- Aurora State AirportIdent: KUAOCountry: United States
- Austin Executive AirportIdent: KEDCCountry: United States
- Austin Straubel International AirportIdent: KGRBCountry: United States
- Auxerre Branches airportIdent: LFLACountry: France
- Aviador C. Campos AirportIdent: SAZYCountry: Argentina
- Aviano Air BaseIdent: LIPACountry: Italy
- Avignon Caumont airportIdent: LFMVCountry: France
- Avord (BA 702) Air BaseIdent: LFOACountry: France
- Axum AirportIdent: HAAXCountry: Ethiopia
- Ayaguz AirportIdent: UASACountry: Kazakhstan