Herbert C Maas Airport (Zion, IL) IL02 Cartes IFR (règles des instruments de vol)
| 4 | KUGN | Waukegan Ntl | Chicago/Waukegan, IL |
| 9 | KENW | Kenosha Rgnl | Kenosha, WI |
| 13 | C81 | Campbell | Grayslake, IL |
| 21 | KRAC | Batten Intl | Racine, WI |
| 24 | 10C | Galt Fld | Greenwood/Wonder Lake, IL |
