Mayo Clinic Health System-Oakridge Airport (Osseo, WI) 78WI IFR Plates
| 24 | KEAU | Chippewa Valley Rgnl | Eau Claire, WI |
| 29 | KBCK | Black River Falls Area | Black River Falls, WI |
| 34 | KVIQ | Neillsville Muni | Neillsville, WI |
| 39 | KLUM | Menomonie Muni | Menomonie, WI |
| 42 | KONA | Winona Municipal | Winona, MN |