Nipsco Southlake Complex Airport (Merrillville, IN) II57 מפות IFR
| 6 | 05C | Griffith-Merrillville | Griffith, IN |
| 12 | KGYY | Gary/Chicago Intl | Gary/Chicago, IN |
| 12 | KIGQ | Lansing Muni | Chicago, IL |
| 16 | KVPZ | Porter County Rgnl | Valparaiso, IN |
| 19 | C56 | Bult Fld | Monee, IL |
