1
Runway
1
Frequency
0
Procedures
Quick Facts
ICAO
KS85
FAA
S85
Elevation
1,954 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
48.153, -104.504
Airport Information
Facility Type
AIRPORT
Elevation
1,954 ft MSL
Control Tower
No
CTAF
122.8 MHz
Fuel Types
None listed
Traffic Pattern
Not published
Coordinates
48.1533, -104.5040
Current Weather
Nearby Weather Cameras
No camera at KS85. Showing nearest cameras.
Situational awareness only — not for regulatory minimums
FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3
Sidney Airport
North · Camera 1 · 4 cameras total
33 NM away
Wolf Point/Clayton Airport
North · Camera 1 · 4 cameras total
64 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 08/26 | 08 / 26 | 3,800 ft | 60 ft | ASP | - | - | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| CTAF | 122.8 | CTAF | - | - | - |
Nearby airports & facilities
S85
BIG SKY FLD
CULBERTSON — <1 nm
02MT
Steppler Field
Culbertson — 13 nm
02MT
STEPPLER FLD
CULBERTSON — 13 nm
5ND0
Stiehl Airport
Buford — 19 nm
69MT
FLYING H
LAMBERT — 22 nm
69MT
Flying H Airport
Lambert — 22 nm
5U6
FAIRVIEW
FAIRVIEW — 25 nm
5U6
Fairview Airport
Fairview — 25 nm
PO1
POPLAR MUNI
POPLAR — 26 nm
PO1
Poplar Muni Airport
Poplar — 27 nm
20MT
Prevost Airport
Lambert — 28 nm
20MT
PREVOST
LAMBERT — 28 nm
Nearest airports
- S85 — BIG SKY FLD
CULBERTSON
- 02MT — Steppler Field
Culbertson
- 02MT — STEPPLER FLD
CULBERTSON
- 5ND0 — Stiehl Airport
Buford
- 69MT — FLYING H
LAMBERT
Montana airports
KS85 Operational Overview
Location & Facility
Big Sky Field (KS85) is a airport located in Culbertson, Montana, United States. The field sits at an elevation of 1,954 feet above mean sea level (MSL) at coordinates 48.1533°N, 104.5040°W.
Runways
Big Sky Field has 1 runway. The longest runway (08/26) measures 3,800 feet by 60 feet with a asp surface.
Communications & Operations
Big Sky Field is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
3 FAA Weather Cameras are available near Big Sky Field, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is KS85?
KS85 is the FAA location identifier for Big Sky Field, an airport whose use category the FAA does not publish, located in Culbertson, Montana, United States.
How many runways does Big Sky Field have?
Big Sky Field (KS85) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KS85?
The field elevation of Big Sky Field is 1,954 feet above mean sea level (MSL). The FAA does not publish how this figure was determined; it may be estimated rather than surveyed.
Is fuel available at KS85?
No fuel types are currently listed for Big Sky Field. Contact the FBO directly for availability.
What is the longest runway at KS85?
The longest runway at Big Sky Field is 3,800 feet long.
How do I access complete data for KS85?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for Big Sky Field.
Where is Big Sky Field located?
Big Sky Field (KS85) is located in Culbertson, Montana, United States, at an elevation of 1,954 ft MSL.
Does KS85 have weather cameras?
KS85 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.