KS85
Big Sky Field
Big Sky Field (KS85) is a general-aviation airfield serving Culbertson, Montana. The field lies at 1,954 ft (596 m) above sea level and has a single runway of 3,800 ft (1,158 m), asphalt and lit. Its nearest neighbour is Stiehl Airport (5ND0), 19 nm ESE.
Big Sky Field 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
- 1,954 ft (596 m)
- Coordinates
- 48.1533, -104.5040
- Serving
- Culbertson
- Region
- Montana
- Time zone
- America/Denver
Runways1 · longest 3,800 ft
The diagram is drawn from published threshold coordinates, so each runway sits where it actually sits — true bearings, true separations, true lengths. Runway widths are exaggerated against length, which at true proportion would draw a hairline. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 08/26 | 3,800 ft1,158 m | 60 ft | Asphalt | Lit |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.