Merkle Airport
3IS4 has 1 runway. The longest is 18/36 at 2,900 ft × 100 ft (turf).
FAA NASR data, cycle 2026-09-03
3IS4 field elevation is 970 ft MSL. The standard traffic pattern altitude at 3IS4 is 1,970 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check 3IS4 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 3IS4 is a non-towered airport.
3IS4 has 1 runway (18/36). The longest runway is 2,900 feet.
3IS4 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,970 feet MSL at a field elevation of 970 feet.
3IS4 (Merkle Airport) has a field elevation of 970 feet MSL.
3IS4 (Merkle Airport) is located in Hanover, IL.