- Ardmore AirportIdent: 1M3Serves: Ardmore
- Ardmore Municipal AirportIdent: KADMServes: Ardmore
- Area 52 AirportIdent: 52OAServes: Alexandria
- Arend AirportIdent: 34OHServes: Mark Center
- Arens FieldIdent: KRWNServes: Winamac
- Argonaut AirstripIdent: 54TNServes: Collierville
- Argonia Municipal AirportIdent: 2K8Serves: Argonia
- Argyle AirportIdent: 1C3Serves: Argyle
- Aring FieldIdent: 6OH4Serves: Bowling Green
- Arizona Bay AirportIdent: AZ78Serves: Maricopa
- Ark-Mo AirportIdent: AR93Serves: Pollard
- Arkavalley AirportIdent: 12AServes: Conway
- Arkla Flyers Inc AirportIdent: 5LS6Serves: Mer Rouge
- ArkMo AirportIdent: 58MUServes: Jane
- Arland AirportIdent: US-0533Serves: Bennington
- Arledge FieldIdent: KF56Serves: Stamford
- Arlington Municipal AirportIdent: 3A9Serves: Arlington
- Arlington Municipal AirportIdent: KGKYServes: Arlington
- Arliss M AirportIdent: FA09Serves: Fairfield
- Armstrong Ranch AirportIdent: 47TXServes: Armstrong
- Arnemann Farms AirportIdent: 0KY1Serves: Franklin
- Arnett Landing AirportIdent: 27XAServes: Poolville
- Arnika Ranch AirportIdent: MO77Serves: Ava
- Arnold Air Force BaseIdent: KAYXServes: Manchester
- Arnold AirstripIdent: 7OR1Serves: Crane
- Arnold FieldIdent: 4MS7Serves: Tunica
- Arnold FieldIdent: KM31Serves: Halls
- Arnolds AirportIdent: 36KYServes: Springfield
- Arrow 'S' Ranch AirportIdent: TE26Serves: Campbellton
- Arrow AirparkIdent: US-7585Serves: Flemington
- Arrowhead AirportIdent: 79TEServes: Lagarto
- Arrowhead AirportIdent: K91FServes: Canadian
- Arrowhead Assault StripIdent: AZUServes: Fort Chaffee
- Arrowhead Farm AirportIdent: IN11Serves: Bourbon
- Arrowhead Ranch AirportIdent: TE63Serves: Tilden
- Arrowpoint AirportIdent: VG43Serves: Madison
- Artesia Municipal AirportIdent: KATSServes: Artesia
- Arthur AirportIdent: 1A2Serves: Arthur
- Arthur Dunn Air ParkIdent: KX21Serves: Titusville
- Arthur FieldIdent: MN50Serves: Gatzke
- Arthur N Neu AirportIdent: KCINServes: Carroll
- Ashby AirportIdent: II26Serves: Remington
- Ashe County AirportIdent: KGEVServes: Jefferson
- Asheboro Regional AirportIdent: KHBIServes: Asheboro
- Ashford FieldIdent: 7TX9Serves: Old Boston
- Ashland County AirportIdent: K3G4Serves: Ashland
- Ashland Landing Farm AirportIdent: MD21Serves: Centreville
- Ashland Regional AirportIdent: KDWUServes: Worthington
- Ashland/Lineville AirportIdent: K26AServes: Ashland
- Ashlawn AirportIdent: 3PN1Serves: Clifford
- Ashlawn AirportIdent: US-4982Serves: Longmont
- Ashley AirportIdent: 77IDServes: Meridian
- Ashley FieldIdent: US-1242Serves: Honea Path
- Ashley Municipal AirportIdent: KASYServes: Ashley
- Ashmore FieldIdent: 2AR5Serves: Centerton
- Ashworth AirportIdent: 41ARServes: Arkadelphia
- Askey FieldIdent: 9TN5Serves: Culleoka
- Aslesen AirportIdent: 8MN2Serves: Halstad
- Aspen GliderportIdent: CO03Serves: Aspen
- Ass-Pirin Acres AirportIdent: VT11Serves: Addison