- Annette Island AirportIdent: PANTServes: Metlakatla
- Anniston Regional AirportIdent: KANBServes: Anniston
- Anvik AirportIdent: PANVServes: Anvik
- Appleton International AirportIdent: KATWServes: Appleton
- Arctic Village AirportIdent: PARCServes: Arctic Village
- Arkansas International AirportIdent: KBYHServes: Blytheville
- Arlington Municipal AirportIdent: KAWOServes: Arlington
- Arnold Palmer Regional AirportIdent: KLBEServes: Latrobe
- Asheville Regional AirportIdent: KAVLServes: Asheville
- Aspen-Pitkin County Airport (Sardy Field)Ident: KASEServes: Aspen
- Astoria Regional AirportIdent: KASTServes: Astoria
- Athens Ben Epps AirportIdent: KAHNServes: Athens
- Atlantic City International AirportIdent: KACYServes: Atlantic City
- Atqasuk Edward Burnell Sr Memorial AirportIdent: PATQServes: Atqasuk
- Augusta Regional At Bush FieldIdent: KAGSServes: Augusta
- Augusta State AirportIdent: KAUGServes: Augusta
- Aurora State AirportIdent: KUAOServes: Aurora
- Austin Executive AirportIdent: KEDCServes: Pflugerville
- Austin Straubel International AirportIdent: KGRBServes: Green Bay
- Baker City Municipal AirportIdent: KBKEServes: Baker City
- Bakersfield International AirportIdent: KL45Serves: Bakersfield
- Bangor International AirportIdent: KBGRServes: Bangor
- Barking Sands AirportIdent: PHBKServes: Kekaha
- Barkley Regional AirportIdent: KPAHServes: Paducah
- Barksdale Air Force BaseIdent: KBADServes: Bossier City
- Barstow Daggett AirportIdent: KDAGServes: Daggett
- Barter Island Long Range Radar Station AirportIdent: PABAServes: Barter Island
- Baton Rouge Metropolitan AirportIdent: KBTRServes: Baton Rouge
- Battle Creek Executive Airport at Kellogg FieldIdent: KBTLServes: Battle Creek
- Baudette International AirportIdent: KBDEServes: Baudette
- Beale Air Force BaseIdent: KBABServes: Beale Air Force Base
- Beaufort MCAS - Merritt FieldIdent: KNBCServes: Beaufort
- Beauregard Regional AirportIdent: KDRIServes: DeRidder
- Beaver County AirportIdent: KBVIServes: Beaver Falls
- Bellingham International AirportIdent: KBLIServes: Bellingham
- Bemidji Regional AirportIdent: KBJIServes: Bemidji
- Bert Mooney AirportIdent: KBTMServes: Butte
- Bethel AirportIdent: PABEServes: Bethel
- Beverly Regional AirportIdent: KBVYServes: Beverly / Danvers
- Bicycle Lake Army Air FieldIdent: KBYSServes: Fort Irwin/Barstow
- Biggs Army Air Field (Fort Bliss)Ident: KBIFServes: Fort Bliss/El Paso
- Bill & Hillary Clinton National Airport/Adams FieldIdent: KLITServes: Little Rock
- Billings Logan International AirportIdent: KBILServes: Billings
- Birchwood AirportIdent: PABVServes: Birchwood
- Bisbee Douglas International AirportIdent: KDUGServes: Douglas Bisbee
- Bishop International AirportIdent: KFNTServes: Flint
- Bismarck Municipal AirportIdent: KBISServes: Bismarck
- Blue Grass AirportIdent: KLEXServes: Lexington
- Blythe AirportIdent: KBLHServes: Blythe
- Bob Baker Memorial AirportIdent: PAIKServes: Kiana
- Bob Sikes AirportIdent: KCEWServes: Crestview
- Boca Raton AirportIdent: KBCTServes: Boca Raton
- Boone County AirportIdent: KHROServes: Harrison
- Boulder City Municipal AirportIdent: K61BServes: Boulder City
- Bowerman AirportIdent: KHQMServes: Hoquiam
- Bowling Green Warren County Regional AirportIdent: KBWGServes: Bowling Green
- Bowman FieldIdent: KLOUServes: Louisville
- Bozeman Yellowstone International AirportIdent: KBZNServes: Bozeman
- Bradford Regional AirportIdent: KBFDServes: Bradford
- Brainerd Lakes Regional AirportIdent: KBRDServes: Brainerd