Coldbrook Field
MI47 has 1 runway. The longest is 3/21 at 2,600 ft × 80 ft (turf).
FAA NASR data, cycle 2026-09-03
MI47 field elevation is 945 ft MSL. The standard traffic pattern altitude at MI47 is 1,950 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — MI47 is non-towered; self-announce position and intentions on CTAF.
Check MI47 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, MI47 is a non-towered airport. The CTAF frequency is 122.9 MHz.
MI47 has 1 runway (3/21). The longest runway is 2,600 feet.
MI47 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,950 feet MSL at a field elevation of 945 feet.
MI47 (Coldbrook Field) has a field elevation of 945 feet MSL.
MI47 (Coldbrook Field) is located in Climax, MI.