- Astronaut Kent Rominger AirportIdent: K8V1Serves: Del Norte
- Athanasiou Valley AirportIdent: CO07Serves: Blackhawk
- Atka AirportIdent: PAAKServes: Atka
- Atkins Ridge AirportIdent: WI43Serves: Daleyville
- Atkinson Municipal AirportIdent: KPTSServes: Pittsburg
- Atlanta Municipal AirportIdent: KY93Serves: Atlanta
- Atlanta Speedway AirportIdent: K4A7Serves: Hampton
- Atlantic Field Marine Corps Outlying FieldIdent: 12NCServes: Atlantic
- Atlantic Municipal AirportIdent: KAIOServes: Atlantic
- Atmore Municipal AirportIdent: K0R1Serves: Atmore
- Atoka Municipal AirportIdent: KAQRServes: Atoka
- Atwell AirportIdent: 1NC2Serves: Mooresville
- Atwood-Rawlins City-County AirportIdent: KADTServes: Atwood
- Auberge Des Fleurs AirportIdent: 4OR6Serves: Sandy
- Aubrey Mountain AirstripIdent: 13ORServes: Oakridge
- Auburn Academy AirportIdent: WA84Serves: Auburn
- Auburn Lewiston Municipal AirportIdent: KLEWServes: Auburn/Lewiston
- Auburn Municipal AirportIdent: KAUNServes: Auburn
- Auburn Municipal AirportIdent: KS50Serves: Auburn
- Auburn University Regional AirportIdent: KAUOServes: Auburn
- Audubon County AirportIdent: KADUServes: Audubon
- August FieldIdent: NK17Serves: Gansevoort
- Augusta AirportIdent: 3U5Serves: Augusta
- Augusta Municipal AirportIdent: K3AUServes: Augusta
- Aurora Municipal AirportIdent: KARRServes: Chicago/Aurora
- Aurora Municipal Al Potter FieldIdent: KAUHServes: Aurora
- Ausk StripIdent: 8ND5Serves: Chaffee
- Ausmus AirportIdent: 57XAServes: New Braunfels
- Austin AirportIdent: K9U3Serves: Austin
- Austin FieldIdent: TN66Serves: Pikeville
- Austin Municipal AirportIdent: KAUMServes: Austin
- Austinia AirportIdent: TS50Serves: Texas City
- Av Ranch AirportIdent: AN01Serves: Klondyke
- Ava Bill Martin Memorial AirportIdent: KAOVServes: Ava
- Avenal GliderportIdent: CA69Serves: Avenal
- Avenger FieldIdent: KSWWServes: Sweetwater
- Avery County Morrison FieldIdent: K7A8Serves: Spruce Pine
- Avery FieldIdent: ME22Serves: Rockwood
- Aviacres AirportIdent: 3VA2Serves: Warrenton
- Avian Country Estates AirportIdent: OK15Serves: Oolagah
- Aviation Acres AirportIdent: 23CDServes: Burlington
- Aviation Acres AirportIdent: OL35Serves: Mounds
- Avinger FieldIdent: SC87Serves: Vance
- Avoca AirportIdent: 39GServes: Avoca
- Avon Park Executive AirportIdent: KAVOServes: Avon Park
- Axinn AirportIdent: VT14Serves: Weybridge
- Ayers AirportIdent: VA93Serves: Columbia Furnace
- Ayres-Aicp AirportIdent: 3VA0Serves: Warrenton
- Ayresouth AirportIdent: 0GA3Serves: Temple
- AZ Minerals Corporation AirportIdent: 03UTServes: Mexican Hat
- B & B Boys Ranch AirportIdent: 3AK6Serves: Palmer
- B & C AirportIdent: IL99Serves: Earlville
- B & D Flyers International AirportIdent: MN74Serves: Minnesota Lake
- B & E Ranch AirportIdent: 2CA8Serves: Yucca Valley
- B & G Farms AirportIdent: 4WA0Serves: Royal City
- B and S Farms AirfieldIdent: US-0409Serves: Anderson
- B Bar Ranch AirportIdent: 84ORServes: Selma
- B Flat Farm AirportIdent: 3NK8Serves: Copake
- B Flying Ranch AirportIdent: US-4974Serves: Mason
- B J Farms AirportIdent: NJ06Serves: Shiloh