Turner Seaplane Base
IS23 has 1 runway. The longest is 18/36 at 3,000 ft × 300 ft (water).
FAA NASR data, cycle 2026-09-03
IS23 field elevation is 700 ft MSL. The standard traffic pattern altitude at IS23 is 1,700 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check IS23 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, IS23 is a non-towered airport.
IS23 has 1 runway (18/36). The longest runway is 3,000 feet.
IS23 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,700 feet MSL at a field elevation of 700 feet.
IS23 (Turner Seaplane Base) has a field elevation of 700 feet MSL.
IS23 (Turner Seaplane Base) is located in South Elgin, IL.