- Alpha Whisky AirstripIdent: US-6792Serves: Mineola
- Alpine AirparkIdent: K46UServes: Alpine
- Alpine AirstripIdent: PALPServes: Nuiqsut
- Alpine Casparis Municipal AirportIdent: KE38Serves: Alpine
- Alpine County AirportIdent: KM45Serves: Markleeville
- Alpine Range AirportIdent: 00TSServes: Everman
- Als AirportIdent: NR40Serves: Bethel
- Alsek River AirportIdent: A57Serves: Yakutat
- Alta Mesa AirparkIdent: 3CN7Serves: Wilton
- Alta Sierra AirportIdent: 09CLServes: Grass Valley
- Alta Vista Ranch AirportIdent: 0TA7Serves: Marfa
- Altemose UltralightportIdent: PN69Serves: Malvern
- Alturas Municipal AirportIdent: KAATServes: Alturas
- Altus Quartz Mountain Regional AirportIdent: KAXSServes: Altus
- Alum Ridge STOLportIdent: 09VAServes: Floyd
- Alva Regional AirportIdent: KAVKServes: Alva
- Alvie Cole Ranch AirportIdent: 64FServes: Sterling City
- Alvin AirparkIdent: 6R5Serves: Alvin
- Alyssas Animal Sanctuary Air ParkIdent: 7GA2Serves: Valdosta
- Amacher StripIdent: TN39Serves: Tullahoma
- Amana AirportIdent: C11Serves: Amana
- Amanda AirportIdent: OH61Serves: Amanda
- Amar Farms AirportIdent: 4KS1Serves: Wellsville
- Amargosa AirportIdent: 70CLServes: Death Valley Junction
- Ambassador UltralightportIdent: 54OKServes: Mounds
- Ambia Farm AirportIdent: US-7557Serves: Paris
- Amble-Tiger North Farms AirportIdent: 8ND0Serves: Sarles
- Ambrosich FieldIdent: 4CO7Serves: Elbert
- Amedee Army Air FieldIdent: KAHCServes: Herlong
- American Falls AirportIdent: KU01Serves: American Falls
- Amery Municipal AirportIdent: KAHHServes: Amery
- Ames AirportIdent: 21OGServes: Jefferson
- Ames FieldIdent: 46INServes: Plymouth
- Ames FieldIdent: 6FL8Serves: Trenton
- Ames Municipal AirportIdent: KAMWServes: Ames
- Ames Private AirportIdent: 05WIServes: Darien
- Amigos Del Cielo AirportIdent: NM90Serves: Rodeo
- Ammon AirportIdent: AZ14Serves: Willcox
- Ammons AirportIdent: 5LS9Serves: Zwolle
- Amos AirportIdent: AR56Serves: Oil Trough
- Amsterdam AirfieldIdent: NY87Serves: Fort Johnson
- Amy AirportIdent: 1II4Serves: Corydon
- Anacacho Ranch AirportIdent: 0XS7Serves: Brackettville
- Anacortes AirportIdent: K74SServes: Anacortes
- Anadarko Municipal AirportIdent: KF68Serves: Anadarko
- Ancam Antique AirfieldIdent: 19IAServes: West Burlington
- Anchor River AirparkIdent: AK00Serves: Anchor Point
- Anchorage Farm FieldIdent: 56TXServes: Warrenton
- Ancient Oaks AirportIdent: 39FDServes: Steinhatchee
- Anderosa AirparkIdent: TA43Serves: Corrigan
- Anderson Aerial Spraying AirportIdent: SD78Serves: Kennebec
- Anderson AirfieldIdent: 43OAServes: Waynesville
- Anderson AirportIdent: GE21Serves: Bainbridge
- Anderson AirportIdent: IA54Serves: Dubuque
- Anderson AirportIdent: II72Serves: Sunman
- Anderson AirportIdent: TN37Serves: Toone
- Anderson Farm AirportIdent: 2MD0Serves: Marion
- Anderson FieldIdent: 52MNServes: Kennedy
- Anderson FieldIdent: KS97Serves: Brewster
- Anderson Lake AirportIdent: 0AK1Serves: Wasilla