Nartron Field
MI31 has 1 runway. The longest is 17/35 at 4,506 ft × 100 ft (asphalt).
FAA NASR data, cycle 2026-09-03
MI31 field elevation is 1,055 ft MSL. The standard traffic pattern altitude at MI31 is 2,060 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — MI31 is non-towered; self-announce position and intentions on CTAF.
Check MI31 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, MI31 is a non-towered airport. The CTAF frequency is 122.9 MHz.
MI31 has 1 runway (17/35). The longest runway is 4,506 feet.
MI31 uses the standard traffic pattern altitude of 1,000 feet AGL — about 2,060 feet MSL at a field elevation of 1,055 feet.
MI31 (Nartron Field) has a field elevation of 1,055 feet MSL.
MI31 (Nartron Field) is located in Reed City, MI.