Knox Ridge Airport
MT3 field elevation is 2,950 ft MSL. The standard traffic pattern altitude at MT3 is 3,950 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — MT3 is non-towered; self-announce position and intentions on CTAF.
Check US-3025 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, MT3 is a non-towered airport. The CTAF frequency is 122.9 MHz.
MT3 uses the standard traffic pattern altitude of 1,000 feet AGL — about 3,950 feet MSL at a field elevation of 2,950 feet.
MT3 (Knox Ridge Airport) has a field elevation of 2,950 feet MSL.
MT3 (Knox Ridge Airport) is located in Winifred, MT.