Westport Airport / Keystone Airpark
4F1 has 1 runway. The longest is 3/21 at 2,900 ft × 42 ft (asphalt).
FAA NASR data, cycle 2026-09-03
4F1 field elevation is 900 ft MSL. The published traffic pattern altitude at 4F1 is 1,500 ft MSL (600 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 4F1 is non-towered; self-announce position and intentions on CTAF.
Check 4F1 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 4F1 is a non-towered airport. The CTAF frequency is 122.9 MHz.
4F1 has 1 runway (3/21). The longest runway is 2,900 feet.
4F1 publishes a traffic pattern altitude of 600 feet AGL — about 1,500 feet MSL — which is not the standard 1,000 feet.
4F1 (Westport Airport / Keystone Airpark) has a field elevation of 900 feet MSL.
4F1 (Westport Airport / Keystone Airpark) is located in Westport, OK.