Morton Airport (La Harpe, IL) IS55 Cartes IFR (règles des instruments de vol)
| 16 | KBRL | Southeast Iowa Rgnl | Burlington, IA |
| 16 | KMQB | Macomb Muni | Macomb, IL |
| 21 | KFSW | Fort Madison Muni | Fort Madison, IA |
| 27 | KEOK | Keokuk Muni | Keokuk, IA |
| 29 | C66 | Monmouth Muni | Monmouth, IL |
