Early-Merkel Field
IS78 has 1 runway. The longest is 15/33 at 2,400 ft × 70 ft (turf).
FAA NASR data, cycle 2026-09-03
IS78 field elevation is 794 ft MSL. The standard traffic pattern altitude at IS78 is 1,790 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check IS78 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, IS78 is a non-towered airport.
IS78 has 1 runway (15/33). The longest runway is 2,400 feet.
IS78 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,790 feet MSL at a field elevation of 794 feet.
IS78 (Early-Merkel Field) has a field elevation of 794 feet MSL.
IS78 (Early-Merkel Field) is located in Pecatonica, IL.