Henry Post Army Air Field
KFSI has 1 runway. The longest is 18/36 at 5,002 ft × 150 ft (concrete).
FAA NASR data, cycle 2026-09-03
KFSI field elevation is 1,189 ft MSL. The standard traffic pattern altitude at KFSI is 2,190 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check KFSI against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
Yes, KFSI is a towered airport with tower frequency 124.95 MHz.
The ATIS frequency at KFSI (Henry Post Army Air Field) is 135.425 MHz.
KFSI has 1 runway (18/36). The longest runway is 5,002 feet.
KFSI uses the standard traffic pattern altitude of 1,000 feet AGL — about 2,190 feet MSL at a field elevation of 1,189 feet.
KFSI (Henry Post Army Air Field) has a field elevation of 1,189 feet MSL.
KFSI (Henry Post Army Air Field) is located in Fort Sill, OK.