Troy Airport
57S has 1 runway. The longest is 14/32 at 3,570 ft × 30 ft (asphalt).
FAA NASR data, cycle 2026-09-03
57S field elevation is 2,017 ft MSL. The standard traffic pattern altitude at 57S is 3,020 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 57S is non-towered; self-announce position and intentions on CTAF.
Check K57S against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 57S is a non-towered airport. The CTAF frequency is 122.9 MHz.
57S has 1 runway (14/32). The longest runway is 3,570 feet.
57S uses the standard traffic pattern altitude of 1,000 feet AGL — about 3,020 feet MSL at a field elevation of 2,017 feet.
57S (Troy Airport) has a field elevation of 2,017 feet MSL.
57S (Troy Airport) is located in Troy, MT.