Colstrip (M46)
Non-towered public-use airport serving Colstrip, Montana, at 3,428 ft elevation.
Elevation3,428 ft
ControlNon-towered
Longest runway5,100 ft
Magnetic variation13° E
Live weather
Forecast (TAF)
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Frequencies
| AWOS/ASOS | 118.525 |
|---|---|
| CTAF | 122.7 |
| UNICOM | 122.7 |
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 06/24 | 5,100 × 75 ft | Asphalt | Medium intensity |
No fuel listed. Sectional: Billings.
Runway diagram
Drawn to scale from FAA runway-end data, true north up. Not for navigation: use the official FAA airport diagram and Chart Supplement.
Nearby airports
3U4St Labre Mission23 NM SE1S3Tillitt Field25 NM N6U7Hysham33 NM NW00UBig Horn County40 NM W1M6Stevens Ranch41 NM SEKMLSFrank Wiley Field49 NM NE
Before you fly here
- Read the FAA Chart Supplement entry for M46: traffic pattern, CTAF/UNICOM, hours, fuel and remarks.
- Check NOTAMs and get a weather briefing at 1800wxbrief.com.
- Study the airport diagram and the sectional around M46 for airspace and terrain.
- More detail: AirNav · SkyVector
Airport data from the FAA National Airspace System Resource (NASR) subscription effective Oct 1, 2026; magnetic variation as published for 1995. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.