Monmouth Municipal Airport
C66 has 1 runway. The longest is 2/20 at 2,899 ft × 60 ft (asphalt).
FAA NASR data, cycle 2026-09-03
C66 field elevation is 753 ft MSL. The standard traffic pattern altitude at C66 is 1,750 ft MSL (1,000 ft AGL). Fuel available at C66: 100LL, MOGAS.
FAA NASR data, cycle 2026-09-03
CTAF 122.8 MHz — C66 is non-towered; self-announce position and intentions on CTAF.
Check KC66 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, C66 is a non-towered airport. The CTAF frequency is 122.8 MHz.
C66 has 1 runway (2/20). The longest runway is 2,899 feet.
C66 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,750 feet MSL at a field elevation of 753 feet.
Yes. C66 (Monmouth Municipal Airport) has 100LL, MOGAS available. Call the field for hours, self-serve availability and price.
C66 (Monmouth Municipal Airport) has a field elevation of 753 feet MSL.
C66 (Monmouth Municipal Airport) is located in Monmouth, IL.