Black River Ranch Airport
1MI3 has 1 runway. The longest is E/W at 3,900 ft × 60 ft (asphalt).
FAA NASR data, cycle 2026-09-03
1MI3 field elevation is 880 ft MSL. The standard traffic pattern altitude at 1MI3 is 1,880 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 1MI3 is non-towered; self-announce position and intentions on CTAF.
Check 1MI3 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 1MI3 is a non-towered airport. The CTAF frequency is 122.9 MHz.
1MI3 has 1 runway (E/W). The longest runway is 3,900 feet.
1MI3 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,880 feet MSL at a field elevation of 880 feet.
1MI3 (Black River Ranch Airport) has a field elevation of 880 feet MSL.
1MI3 (Black River Ranch Airport) is located in Onaway, MI.