Clinton County Airport
I66 has 1 runway. The longest is 3/21 at 3,579 ft × 60 ft (asphalt).
FAA NASR data, cycle 2026-09-03
I66 field elevation is 1,033 ft MSL. The standard traffic pattern altitude at I66 is 2,030 ft MSL (1,000 ft AGL). Fuel available at I66: 100LL.
FAA NASR data, cycle 2026-09-03
CTAF 122.725 MHz — I66 is non-towered; self-announce position and intentions on CTAF.
Check KI66 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, I66 is a non-towered airport. The CTAF frequency is 122.725 MHz.
The AWOS frequency at I66 (Clinton County Airport) is 124.175 MHz.
I66 has 1 runway (3/21). The longest runway is 3,579 feet.
I66 uses the standard traffic pattern altitude of 1,000 feet AGL — about 2,030 feet MSL at a field elevation of 1,033 feet.
Yes. I66 (Clinton County Airport) has 100LL available. Call the field for hours, self-serve availability and price.
I66 (Clinton County Airport) has a field elevation of 1,033 feet MSL.
I66 (Clinton County Airport) is located in Wilmington, OH.