Colstrip (M46)

Airport information: Colstrip, MT, United States. Search for another airport below.

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Location and general information

FAA identifier: M46
FAA site number: 12303.1*A
City / state: Colstrip, MT
County: Rosebud
Time zone: America/Denver
Reference point: 45°51'10.20" N
106°42'33.40" W
Elevation: 3427.6 ft (surveyed)
Magnetic variation: 13° E (1995)
Status: Operational
Ownership: Public, County of Rosebud
Use: Open to the public
Airport area: 188 acres
From downtown: 3 NM southwest
Sectional chart: Billings
Activated: 11/1990

Services and facilities

Control tower: No
Attendance: On call
Transient storage: Tie-downs
ARTCC: Salt Lake City (ZLC)
Flight service: Great Falls (GTF)
1-800-WX-BRIEF
NOTAM facility: GTF
Wind indicator: Lighted
Beacon: White and green, sunset to sunrise
Segmented circle: Yes
Airport manager: Brian Schwend
406-351-1261
Last FAA inspection: 07/02/2025

FAA remarks

Hill 1550' from runway 24 end 600' left and 93' above runway threshold.
700 ft power plant stacks 4.5 NM NE of airport.
Phone avail on airport.
Cold temperature airport. Altitude correction required at or below -34C.
For CD contact Salt Lake ARTCC at 801-320-2568.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Airport facts

FAA identifier: M46
Location: Colstrip, MT, United States
Elevation: 3427.6 ft
Time zone: America/Denver
Coordinates: 45.85283, -106.70928

Runways

Runway	Size	Surface
06 / 24	5,100 × 75 ft	Asphalt, good

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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