Mmsc Airport (Marshalltown, IA) 6IA8 IFR-Karten
| 4 | KMIW | Marshalltown Muni | Marshalltown, IA |
| 25 | KGGI | Grinnell Rgnl | Grinnell, IA |
| 27 | KTNU | Newton Muni-Earl Johnson Fld | Newton, IA |
| 34 | KTZT | Belle Plaine Muni | Belle Plaine, IA |
| 35 | KIFA | Iowa Falls Muni | Iowa Falls, IA |
