Ashman Island Seaplane Base
1MI0 has 1 runway. The longest is 10/28 at 7,500 ft × 500 ft (water).
FAA NASR data, cycle 2026-09-03
1MI0 field elevation is 580 ft MSL. The standard traffic pattern altitude at 1MI0 is 1,580 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check 1MI0 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 1MI0 is a non-towered airport.
1MI0 has 1 runway (10/28). The longest runway is 7,500 feet.
1MI0 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,580 feet MSL at a field elevation of 580 feet.
1MI0 (Ashman Island Seaplane Base) has a field elevation of 580 feet MSL.
1MI0 (Ashman Island Seaplane Base) is located in Drummond Island, MI.