Black Hollow Airport (Carr, CO) 5CO5 Cartes IFR (règles des instruments de vol)
| 16 | KFNL | Northern Colorado Regional | Fort Collins/Loveland, CO |
| 22 | KGXY | Greeley-Weld County | Greeley, CO |
| 34 | KCYS | Cheyenne Rgnl | Cheyenne, WY |
| 37 | KLMO | Vance Brand | Longmont, CO |
| 46 | KEIK | Erie Muni | Erie, CO |
