| A110-1 | Contact airport manager to request approval prior to ultralight operations. |
| A110-10 | East ramp taxiway closed from terminal ramp to 450 ft east. |
| A110-4 | Taxiway G between runway 07 end to runway 11/29 restricted to aircraft under 12,500 lbs. |
| A110-5 | Snow removal operations in progress winter months. |
| A110-6 | Prior permission required for unsked air carrier operational with more than 30 passenger seats contact aprt operations manager 406-728-4381. |
| A110-7 | Landing fee for all commercial aircraft and all aircraft over 12,500 lbs. |
| A110-8 | Migratory and small bird activity on and in vicinity of airport during mos of APRIL-MAY and OCT-DEC. |
| A110-9 | Hang glider operations 5.5 nm east of approach end runway RY29. |
| A33-07/25 | Surface variations with patches. |
| A35-11/29 | 180 deg turns for aircraft ovr 12500 lbs gross weight prohibited on all movement areas. Avoid locked turns at all times. |
| A81 | When air traffic control tower closed activate HIRL runway 11/29 and MALSR runway 11 - CTAF. |