This airport has been surveyed by the national geodetic survey.
A110-3
Deer in vicinity of airport.
A110-4
Taxiway D restricted to aircraft 12,500 lbs or less between runway 30 approach end and runway 15-33, and taxiway D between RY-12 approach end and taxiway F.
A110-7
Snow removal operations in progres during periods of snow.
A110-8
Runway 12/30 from runway end 30 to runway 15/33 and from taxiway F to runway end 12 not available for air carrier aircraft over 12, 500 lbs.
A24
Fee for all commercial aircraft and aircraft over 10000 lbs.
A26
Prior permission required for unsked air carrier operations with more than 30 passenger seats please call airport manager 406-494-3771.
A30-12/30
Runway 12/30 restricted to aircraft 12,500 lbs and below.
A43-12
PAPI STAIGHT-IN only.
A43-30
PAPI restricted to 2.1 nm from runway 30 threshold due to high terrain.
A43-33
Do not use vasi beyond 1.5 mi due to high terrain.
A81-APT
Activate MIRL runways 15/33 and 12/30, MALSR runway 15, PAPI runways 12 and 30, and REIL runways 12 and 30 - CTAF.
