Colstrip Airport
M46 · Colstrip, Montana · Rosebud County · map
Colstrip Airport is a public-use airport owned by the County of Rosebud, 3 miles southwest of Colstrip, Montana, 3,428 feet above sea level. Its one runway, 06/24, is 5,100 feet of asphalt. It has about 10 based aircraft. The FAA counts about 50 takeoffs and landings a year.
The airport
- Codes
- FAA M46
- Kind
- Airport · open to the public · publicly owned
- Owner
- County of Rosebud
- Elevation
- 3,428 feet above sea level
- Control tower
- No control tower
- Attended
- every day, on call
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Parking
- tiedown
- On the chart
- Billings sectional
- Magnetic variation
- 13E
- In the FAA's files since
- November 1990
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 06/24 | 5,100 × 75 ft | Asphalt, good | Medium-intensity lights |
- Runway 06: PAPI, two lights on the left
- Runway 24: PAPI, two lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.7 | |
| M46 and aWOS-3PT | 118.525 | |
| Miles City Center (remote transmitter) Low | 126.85 |
Automated weather (AWOS-3PT), by phone 406-748-3849.
Based aircraft as counted for the FAA, fiscal year 2024
Takeoffs and landings a year about 50, the FAA's fiscal year 2024 (October 2023 to September 2024)
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Colstrip from the FAA register
5 aircraft are registered to owners in Colstrip, Montana: 4 piston singles, 1 turboprop. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Montana.
Accidents and incidents at or near this airport NTSB records · 2 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Hill 1550' from runway 24 end 600' left and 93' above runway threshold.
- Activate PAPI 06 and 24 - the common traffic frequency; medium-intensity runway lights runway 06/24 preset low intst DUSK-0100; aft 0100 activate - the common traffic frequency.
- 700 feet power plant stacks 4.5 NM northeast of airport.
- Cold temperature airport. Altitude correction required at or below -34C.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.