Big Sky Field
S85 · Culbertson, Montana · Roosevelt County · map
Big Sky Field is a public-use airport owned by Roosevelt County & City, 1 mile northeast of Culbertson, Montana, 1,953 feet above sea level. Its one runway, 08/26, is 3,800 feet of asphalt. It has fuel (100LL avgas).
The airport
- Codes
- FAA S85
- Kind
- Airport · open to the public · publicly owned
- Owner
- Roosevelt County & City
- Elevation
- 1,953 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- Billings sectional
- Magnetic variation
- 13E
- In the FAA's files since
- October 1950
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 08/26 | 3,800 × 60 ft | Asphalt, good | Medium-intensity lights |
- Runway 26: PAPI, two lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| S85 and aWOS-3 | 120.000 |
Automated weather (AWOS-3), by phone 406-787-5819.
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 Culbertson from the FAA register
5 aircraft are registered to owners in Culbertson, Montana: 5 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Montana.
Accidents and incidents at or near this airport NTSB records · 1 since 1982, 0 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
- Activate medium-intensity runway lights runway 08/26 and PAPI runway 26 - the common traffic frequency.
- Self service credit card 24/7
- 2,876 feet towers 3.5 mis northwest.
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.