Horseshoe Landings Airport (Keenesburg, CO) CO60 Cartes IFR (règles des instruments de vol)
| 21 | KDEN | Denver Intl | Denver, CO |
| 23 | KCFO | Colorado Air and Space Port | Denver, CO |
| 25 | KGXY | Greeley-Weld County | Greeley, CO |
| 33 | KEIK | Erie Muni | Erie, CO |
| 37 | KFMM | Fort Morgan Muni | Fort Morgan, CO |
