Mather Field
1OH3 has 1 runway. The longest is 9/27 at 3,400 ft × 150 ft (turf).
FAA NASR data, cycle 2026-09-03
1OH3 field elevation is 640 ft MSL. The standard traffic pattern altitude at 1OH3 is 1,640 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 1OH3 is non-towered; self-announce position and intentions on CTAF.
Check 1OH3 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 1OH3 is a non-towered airport. The CTAF frequency is 122.9 MHz.
1OH3 has 1 runway (9/27). The longest runway is 3,400 feet.
1OH3 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,640 feet MSL at a field elevation of 640 feet.
1OH3 (Mather Field) has a field elevation of 640 feet MSL.
1OH3 (Mather Field) is located in Castalia, OH.