Mussman Airport (Grant Park, IL) 7IL0 Cartes IFR (règles des instruments de vol)
| 9 | C56 | Bult Fld | Monee, IL |
| 18 | KIGQ | Lansing Muni | Chicago, IL |
| 20 | 05C | Griffith-Merrillville | Griffith, IN |
| 20 | KIKK | Greater Kankakee | Kankakee, IL |
| 25 | KGYY | Gary/Chicago Intl | Gary/Chicago, IN |
