Big Sky Fld Airport (S85)
Big Sky Fld Airport (S85)
S85
Big Sky Fld Airport (S85)
Culbertson, MT
| FAA Information Effective | 2026-07-09 |
| Airport Identifier | S85 |
| Airport Status | Operational |
| Longitude/Latitude |
104°30'14.6000"
W /
48°9'12.8150"
N -104.504056 / 48.153560 (Estimated) |
| Elevation | 1953.00 ft / 595.27 m (Surveyed) |
| Land | 103 acres |
| From nearest city | 1 nautical miles NE of Culbertson, MT |
| Location | Roosevelt County, MT |
| Magnetic Variation | 13E (1985) |
| Airport Use | Open to public |
| Wind indicator | Yes |
| Segmented Circle | Yes |
| Control Tower | NON-ATCT |
| Lighting Schedule | SEE RMK |
| Beacon Color | White-Green (lighted land airport) |
| Landing fee charge | No |
| Sectional chart | BILLINGS |
| Region | ANM - Northwest Mountain |
| Responsible ARTCC | ZLC - SALT LAKE CITY |
| Tie-in FSS | GTF - GREAT FALLS |
| FSS on Airport | No |
| FSS Toll Free | 1-800-WX-BRIEF |
| NOTAMs Facility | GTF (NOTAM-d service available) |
Runway 08/26
| Dimensions | 3800 x 60 ft (1158 x 18 m) |
| Surface | ASPH (GOOD) |
| Surface treatment | |
| Edge lights | Medium |
| 08 | 26 | |
|---|---|---|
| Physical elevation | 1952.60 ft | 1933.60 ft |
| Coordinates | 48.153553 / -104.511836 | 48.153567 / -104.496275 |
| Traffic pattern | Left | Left |
| Runway marking | Basic , Fair Condition | Basic , Fair Condition |
| VGSI | 2-light PAPI on left |