Fort Benton Airport
79S has 2 runways. The longest is 5/23 at 4,300 ft × 75 ft (asphalt).
FAA NASR data, cycle 2026-09-03
79S field elevation is 2,869 ft MSL. The standard traffic pattern altitude at 79S is 3,870 ft MSL (1,000 ft AGL). Fuel available at 79S: 100LL.
FAA NASR data, cycle 2026-09-03
CTAF 122.8 MHz — 79S is non-towered; self-announce position and intentions on CTAF.
Check K79S against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 79S is a non-towered airport. The CTAF frequency is 122.8 MHz.
79S has 2 runways (5/23, 14/32). The longest runway is 4,300 feet.
Runway 5/23 is the longest at 79S — 4,300 ft × 75 ft, asphalt.
79S uses the standard traffic pattern altitude of 1,000 feet AGL — about 3,870 feet MSL at a field elevation of 2,869 feet.
Yes. 79S (Fort Benton Airport) has 100LL available. Call the field for hours, self-serve availability and price.
79S (Fort Benton Airport) has a field elevation of 2,869 feet MSL.
79S (Fort Benton Airport) is located in Fort Benton, MT.