Airport · Culbertson, MT
Big Sky Field (S85)
Big Sky Field (S85) is a public-use airport in Culbertson, MT. Official FAA data: 3,800 ft longest runway, no control tower, avgas only, 1,953 ft elevation. FAA airport data effective 2026-09-03. Jetora shows private-jet empty legs and repositioning flights departing or arriving here, current weather and nearby alternatives. Car parking, lounges and FBO amenities appear only when supplied by the airport or an FBO that has claimed this page — none yet. Runway figures alone do not establish whether a particular aircraft can operate here; operators decide.
- Longest runway
- 3,800 ft
- Elevation
- 1,953 ft
- Control tower
- No
- Fuel on the field
- 100LL avgas
- Aircraft parking
- Tie-downs
- Attended
- Unattended
- On-field services
- Agricultural flying, Air ambulance, Aerial survey
- On FAA records since
- 1950
- Footprint
- 103 acres
- From town
- 1 mi northeast
- Rotating beacon
- White-green
- Location
- Culbertson, MT, MT
- Codes
- S85 · KS85