| OGG | PHOG | Kahului Airport | Кахулуи | |
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| OLF | KOLF | L M Clayton Airport | Вулф Пойнт | |
|
| OLM | KOLM | Olympia Regional Airport | Олимпия | |
|
| OMA | KOMA | Eppley Airfield | Омаха | |
|
| OME | PAOM | Nome Airport | Ном | |
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| ORH | KORH | Worcester Regional Airport | Вустер | |
|
| ORT | PAOR | Northway Airport | Нортуэй | |
|
| OSH | KOSH | Wittman Regional Airport | Ошкош | |
|
| OSU | KOSU | Ohio State University Airport | - | |
|
| OTH | KOTH | Southwest Oregon Regional Airport | Норт-Бенд | |
|
| OTM | KOTM | Ottumwa Regional Airport | Оттамуа | |
|
| OTZ | PAOT | Ralph Wien Memorial Airport | Коцебу | |
|
| OWB | KOWB | Owensboro Daviess County Airport | Оуэнсборо | |
|
| OWD | KOWD | Norwood Memorial Airport | Норвуд | |
|
| OXR | KOXR | Oxnard Airport | Вентура | |
|
| OZR | KOZR | Cairns AAF (Fort Rucker) Air Field | Озарк | |
|
| PAE | KPAE | Snohomish County (Paine Field) Airport | Эверетт | |
|
| PAH | KPAH | Barkley Regional Airport | Падака | |
|
| PAQ | PAAQ | Palmer Municipal Airport | Палмер | |
|
| PBF | KPBF | Grider Field | Пайн Блафф | |
|
| PBG | KPBG | Plattsburgh International Airport | Платтсбург | |
|
| ABE | KABE | Lehigh Valley International Airport | Аллентаун | |
|
| ABI | KABI | Abilene Regional Airport | Абилин | |
|
| ABL | PAFM | Ambler Airport | Амблер | |
|
| ABR | KABR | Aberdeen Regional Airport | Абердин | |
|
| ABY | KABY | Southwest Georgia Regional Airport | Олбани | |
|
| ACK | KACK | Nantucket Memorial Airport | Нантакет | |
|
| ACT | KACT | Waco Regional Airport | Уэйко | |
|
| ACV | KACV | Arcata Airport | Арката | |
|
| ACY | KACY | Atlantic City International Airport | - | |
|
| ADK | PADK | Adak Airport | Адак | |
|
| ADQ | PADQ | Kodiak Airport | Кадьяк | |
|
| AEX | KAEX | Alexandria International Airport | Александрия | |
|
| AGC | KAGC | Allegheny County Airport | - | |
|
| AHN | KAHN | Athens Ben Epps Airport | Атенс | |
|
| AIN | PAWI | Wainwright Airport | Уэйнрайт | |
|
| AKC | KAKR | Akron Fulton International Airport | - | |
|
| AKN | PAKN | King Salmon Airport | Кинг Салмон | |
|
| AKP | PAKP | Anaktuvuk Pass Airport | Анактавак | |
|
| ALB | KALB | Albany International Airport | Олбани | |
|
| ALI | KALI | Alice International Airport | Элис | |
|
| ALM | KALM | Alamogordo White Sands Regional Airport | Аламогордо | |
|
| ALN | KALN | St Louis Regional Airport | Альтон | |
|
| ALO | KALO | Waterloo Regional Airport | Ватерлоо | |
|
| ALS | KALS | San Luis Valley Regional Bergman Field | Аламоса | |
|
| ALW | KALW | Walla Walla Regional Airport | Уолла Уолла | |
|
| ANB | KANB | Anniston Metropolitan Airport | Аннистон | |
|
| AND | KAND | Anderson Regional Airport | Андерсон | |
|
| ANI | PANI | Aniak Airport | Аниак | |
|
| ANN | PANT | Annette Island Airport | Остров Аннет | |
|