Thayer Memorial Airport
42M has 1 runway. The longest is 9/27 at 4,200 ft × 50 ft (asphalt).
FAA NASR data, cycle 2026-09-03
42M field elevation is 790 ft MSL. The standard traffic pattern altitude at 42M is 1,790 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 42M is non-towered; self-announce position and intentions on CTAF.
Check K42M against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 42M is a non-towered airport. The CTAF frequency is 122.9 MHz.
42M has 1 runway (9/27). The longest runway is 4,200 feet.
42M uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,790 feet MSL at a field elevation of 790 feet.
42M (Thayer Memorial Airport) has a field elevation of 790 feet MSL.
42M (Thayer Memorial Airport) is located in Thayer, MO.