Knox Ridge Airport (MT3) — Winifred, MT

Knox Ridge Airport (MT3)
MT3
Knox Ridge Airport (MT3)
Winifred, MT
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Knox Ridge Airport (MT3) is a public-use airport located in Winifred, MT. The airport sits at an elevation of 2950 feet above mean sea level. It features 1 runway. Aviation communications are supported by 1 published radio frequency.

Location & QuickFacts
FAA Information Effective 2026-09-03
Airport Identifier MT3
Airport Status Operational
Longitude/Latitude 108°50'53.0000" W / 47°37'0.0000" N
-108.848056 / 47.616667 (Estimated)
Elevation 2950.00 ft / 899.16 m ()
From nearest city 24 nautical miles E of Winifred, MT
Location Fergus County, MT
Owner & Manager
Ownership Publicly owned
Owner BUREAU OF LAND MANAGEMENT
Address 920 NE MAIN ST
LEWISTOWN, MT 59457
Phone number 406-538-1900
Manager ZANE FULBRIGHT
Address 920 NE MAIN ST
LEWISTOWN, MT 59457
Phone number (406) 622-4000
Airport Operations and Facilities
Airport Use Open to public
Wind indicator Yes
Segmented Circle No
Control Tower NON-ATCT
Sectional chart GREAT FALLS
Region ANM - Northwest Mountain
Responsible ARTCC ZLC - SALT LAKE CITY
Tie-in FSS GTF - GREAT FALLS
FSS Toll Free 1-800-WX-BRIEF
NOTAMs Facility GTF (NOTAM-d service available)
Airport Communications
CTAF 122.9 MHz
Runway Information
Runway 09/27
Dimensions 2100 x 60 ft (640 x 18 m)
Surface TURF (POOR)
Surface treatment
09 27
Traffic pattern Left Left
Remarks
  • RY SOFT AND MUDDY WHEN WET.
  • RY MAINT IREG.
  • NO SNOW REMOVAL.
  • WILDLIFE AND CATTLE ON AND INVOF ARPT.
  • COML ACFT CTC BLM MGR 406-538-1923.
  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
  • STOCK TANK AND 1 FT TALL POSTS LCTD S OF RWY.