Hillman Airport (Rock City, IL) LL91 Cartes IFR (règles des instruments de vol)
| 13 | KFEP | Albertus | Freeport, IL |
| 15 | KEFT | Monroe Muni | Monroe, WI |
| 24 | KRFD | Chicago/Rockford Intl | Chicago/Rockford, IL |
| 25 | 44C | Beloit | Beloit, WI |
| 25 | KJVL | Southern Wisconsin Rgnl | Janesville, WI |
