Ottertail Lake Airport
MT36 · Three Forks, Montana · Jefferson County · map
Ottertail Lake Airport is a private airport, 8 miles southwest of Three Forks, Montana, 4,155 feet above sea level. Its one runway, 08/26, is 1,852 feet of grass and dirt.
Private use: permission from the owner is required before landing here.
The airport facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA MT36
- Kind
- Airport · private use, permission required · publicly owned
- Elevation
- 4,155 feet above sea level
- Control tower
- No control tower
- Fuel and services
- no fuel reported; the services card below
- On the chart
- Great Falls sectional
- In the FAA's files since
- January 2020
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 08/26 | 1,852 × 30 ft | Grass and dirt |
- Runway 08: right-hand traffic pattern
- Runway 26: right-hand traffic pattern
Fuel and services as reported to the FAA
The FAA's record lists no fuel or services for this airport.
Nearest fields reporting jet fuel: Bozeman Yellowstone International (23 nm east), Ruby Valley Field (31 nm southwest), Ennis Big Sky Airport (33 nm south), Bert Mooney Airport (34 nm west).
Nearest fields reporting avgas: Three Forks Airport (6 nm northeast), Bozeman Yellowstone International (23 nm east), Ruby Valley Field (31 nm southwest), Townsend Airport (32 nm north).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in Montana · avgas.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Three Forks from the FAA register
35 aircraft are registered to owners in Three Forks, Montana: 25 piston singles, 4 weight-shift and powered parachutes, 2 turboprops, 2 helicopters, 1 piston twin. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Montana.
Who works here from the FAA's certificate lists and the register
Flight schools, flying clubs and college flight programmes based within about 15 miles:
- Three Forks Flying Club INC 1 aircraft · Three Forks, 7 miles away Three Forks Flying Club is a flying club based in Three Forks, Montana, founded in 1950 and incorporated in 1970.
Repair stations in Three Forks:
Companies in the same town as this airport, and schools within about 15 miles of it (each placed at the main public airport of its town, or at the town's centre); not every one of them works from this field. All operators · all repair stations · all flight schools · all FBOs.
Safety record the NTSB's cases at or near this airport
Accidents and incidents at or near this airport NTSB records
No NTSB accident or incident records name this airport.
Nearby within 30 nautical miles
Connections how this airport links to the rest of the register
- Aircraft registered in Three Forks 35 aircraft · 25 piston singles, 4 weight-shift and powered parachutes, 2 turboprops
- Headwaters Flying Service LLC 5 aircraft in town
- Montana Air Tankers LLC 2 aircraft in town
- Ejs Enterprises INC 2 aircraft in town
- Three Forks Flying Club INC 1 aircraft · flying club
- Mountain Wave Aviation LLC · repair station
- Accidents and incidents in Montana 1,119 since 1982 · 164 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in Montana 127 landing places
- Montana 6,045 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/MT36.json.
Facts from the FAA's airport file effective October 29, 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 29, 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.