Knox Ridge (MT3)

Airport information: Winifred, MT, United States. Search for another airport below.

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Location and general information

FAA identifier: MT3
FAA site number: 12565.81*A
City / state: Winifred, MT
County: Fergus
Time zone: America/Denver
Reference point: 47°37'00.00" N
108°50'53.00" W
Elevation: 2,950 ft
Status: Operational
Ownership: Public, Bureau of Land Management
Use: Open to the public
From downtown: 24 NM east
Sectional chart: Great Falls
Activated: 09/2010

Services and facilities

Control tower: No
Attendance: Unattended
ARTCC: Salt Lake City (ZLC)
Flight service: Great Falls (GTF)
1-800-WX-BRIEF
NOTAM facility: GTF
Wind indicator: Yes, unlighted
Segmented circle: No
Airport manager: Zane Fulbright
(406) 622-4000
Last FAA inspection: 08/05/2026

FAA remarks

Runway soft and muddy when wet.
Runway maintenance ireg.
No SN removal.
Wildlife and cattle on and in the vicinity of airport.
Coml aircraft contact BLM manager 406-538-1923.
For CD contact Salt Lake ARTCC at 801-320-2568.
Stock tank and 1 ft tall posts located S of runway.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Airport facts

FAA identifier: MT3
Location: Winifred, MT, United States
Elevation: 2,950 ft
Time zone: America/Denver
Coordinates: 47.61667, -108.84806

Runways

Runway	Size	Surface
09 / 27	2,100 × 60 ft	Turf, poor

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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