Airport Record

Big Sky Field (S85)

Culbertson, MT · public-use

1
Runway
1,954 ft
Elevation
3,800 ft
Longest Runway
MT
State

Big Sky Field — Culbertson, MT

Airport Overview

Big Sky Field (S85) is a public-use airport in Culbertson, MT, at an elevation of 1,954 ft MSL. It has 1 runway; the longest, 08/26, measures 3,800 ft (asphalt) and is lighted. Big Sky Field is publicly owned.

According to FAA data, S85 offers avgas (100LL) only — no jet fuel. Transient tie-down parking is available.

This airport is not a public charter destination; it is listed for reference. Browse our airport directory for charter-ready airports nearby.

Frequently Asked Questions

Big Sky Field (S85) is located in Culbertson, MT, at 1,954 ft elevation. Coordinates: 48.1533°, -104.5040°.

Big Sky Field has 1 runway; the longest (08/26) measures 3,800 ft (asphalt).

Per FAA data, S85 has 100LL avgas.

S85 is a public-use airport (publicly owned).