31MT
Reverse 5 Bar M Airport
Reverse 5 Bar M Airport (31MT) is a general-aviation airfield serving Great Falls, Montana. The field lies at 4,260 ft (1,298 m) above sea level and has a single runway of 1,337 ft (408 m), grass. Its nearest neighbour is Smith Farms Airport (MT76), 12 nm NW.
Reverse 5 Bar M Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.
Location
- Elevation
- 4,260 ft (1,298 m)
- Coordinates
- 47.2365, -111.3023
- Serving
- Great Falls
- Region
- Montana
- Time zone
- America/Denver
Runways1 · longest 1,337 ft
The diagram shows each runway’s orientation and relative length, read from its designator — runway 3 points 30° magnetic. Threshold coordinates are not published for this field, so strips are drawn about its centre rather than where they sit on the ground. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 3/21 | 1,337 ft408 m | 40 ft | Grass | — |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.