Anvik Seaplane Base
K40 has 1 runway. The longest is E/W at 2,000 ft × 500 ft (water).
FAA NASR data, cycle 2026-09-03
K40 field elevation is 52 ft MSL. The standard traffic pattern altitude at K40 is 1,050 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check K40 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, K40 is a non-towered airport.
K40 has 1 runway (E/W). The longest runway is 2,000 feet.
K40 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,050 feet MSL at a field elevation of 52 feet.
K40 (Anvik Seaplane Base) has a field elevation of 52 feet MSL.
K40 (Anvik Seaplane Base) is located in Anvik, AK.