Seeley Lake Airport
23S has 1 runway. The longest is 16/34 at 4,575 ft × 75 ft (turf).
FAA NASR data, cycle 2026-09-03
23S field elevation is 4,235 ft MSL. The standard traffic pattern altitude at 23S is 5,240 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 23S is non-towered; self-announce position and intentions on CTAF.
Check 23S against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 23S is a non-towered airport. The CTAF frequency is 122.9 MHz.
23S has 1 runway (16/34). The longest runway is 4,575 feet.
23S uses the standard traffic pattern altitude of 1,000 feet AGL — about 5,240 feet MSL at a field elevation of 4,235 feet.
23S (Seeley Lake Airport) has a field elevation of 4,235 feet MSL.
23S (Seeley Lake Airport) is located in Seeley Lake, MT.