Montgomery County Meml Airport (Red Oak, IA) IA91 Cartes IFR (règles des instruments de vol)
| 3 | KRDK | Red Oak Muni | Red Oak, IA |
| 22 | KSDA | Shenandoah Muni | Shenandoah, IA |
| 23 | KICL | Schenck Fld | Clarinda, IA |
| 24 | KCRZ | Corning Muni | Corning, IA |
| 27 | KAIO | Atlantic Muni | Atlantic, IA |
