| Airport | City | State | IATA | ICAO | Class |
|---|---|---|---|---|---|
| 14th Street Gliderfield | Phoenix | AZ | - | - | Regional |
| 16 L Ranch Airport | Normangee | TX | - | - | Regional |
| 16 Mile Road Airport | Winnemucca | NV | - | - | Regional |
| 16 Ranch Airport | Grass Range | MT | - | - | Regional |
| 18 Meadows Aerodrome | Haines | AK | - | - | Regional |
| 1904 Private Runway Airport | Hennessey | OK | - | - | Regional |
| 2C Ranch Airport | Laneville | TX | - | - | Regional |
| 2x4 Ranch Airport | Artesia | NM | - | - | Regional |
| 3 Barrel Ranch Airport | Bleiblerville | TX | - | - | Regional |
| 3 Mill Ranch Airport | Mountain Home | TX | - | - | Regional |
| 3 Rivers Recreation Area Airport | Culver | OR | - | - | Regional |
| 3-I Rocker Ranch Airport | Jensen | UT | - | - | Regional |
| 3-M's Airport | Williamson | GA | - | - | Regional |
| 3H Cattle Company Airport | Hanford | CA | - | - | Regional |
| 4 Delta Airport | Chaparral | NM | - | - | Regional |
| 4 Holes Field | Orangeburg | SC | - | - | Regional |
| 4 Winds Aerodrome | Roachdale | IN | - | - | Regional |
| 40 Acre Airstrip | Salmon | ID | - | - | Regional |
| 45 Ranch Airport | Grand View | ID | - | - | Regional |
| 45 Ranch Old Airport | Grand View | ID | - | - | Regional |
| 49th State Airpark | - | AK | - | - | Regional |
| 4B Ranch Airport | Tallulah | LA | - | - | Regional |
| 4D Ranch Airport | Utopia | TX | - | - | Regional |
| 4G Ranch Airport | Concepcion | TX | - | - | Regional |
| 4M Ranch Airfield | Langtry | TX | - | - | Regional |
| 4S Ranch Airport | Fischer | TX | - | - | Regional |
| 4Z Ranch Airport | Hailey | ID | - | - | Regional |
| 5 Lakes Airport | Fayetteville | PA | - | - | Regional |
| 5 Springs Airport | Lovell | WY | - | - | Regional |
| 5B Ranch Airport | Edmond | OK | - | - | Regional |
| 5D Ranch Airport | Nordheim | TX | - | - | Regional |
| 6 Mile Airpark | Fort McKavett | TX | - | - | Regional |
| 66 Ranch Airstrip | Ennis | MT | - | - | Regional |
| 6666 Ranch Airport | Guthrie | TX | - | - | Regional |
| 6B Airfield | Bokchito | OK | - | - | Regional |
| 7 Oaks Flight Park | Fairfax | SC | - | - | Regional |
| 74 Ranch Airport | Campbellton | TX | - | - | Regional |
| 75E Airport | Salome | AZ | - | - | Regional |
| 7N Ranch Airport | Ririe | ID | - | - | Regional |
| 7R Ranch Airport | New Cuyama | CA | - | - | Regional |
| 7Up Ranch Airport | Bartlett | KS | - | - | Regional |
| 7th Heaven Airport | La Moille | IL | - | - | Regional |
| 99th Avenue Airport | Maricopa | AZ | - | - | Regional |
| A & C AG Aviation Inc | Unadilla | GA | - | - | Regional |
| A Bar A Ranch Airstrip | Encampment | WY | - | - | Regional |
| A C Goodwin Memorial Field Gliderport | Prescott Valley | AZ | - | - | Regional |
| A Foyt Ranch Airport | Brackettville | TX | - | - | Regional |
| A G A Farms Airport | Perkasie | PA | - | - | Regional |
| A J Patrol Airport | Crowley | LA | - | - | Regional |
| A L Mangham Jr. Regional Airport | Nacogdoches | TX | OCH |
KOCH |
Regional |