91AK — Kucera Seaplane Base, Big Lake, AK

Non-ToweredBig Lake, AK • 175' MSL

91AK WeatherLive METAR & TAF

91AK has 1 runway. The longest is 3W/21W at 5,000 ft × 200 ft (water).

3W/21WNo runway lights5,000 ft × 200 ftWater

FAA NASR data, cycle 2026-09-03

91AK field elevation is 175 ft MSL. The standard traffic pattern altitude at 91AK is 1,180 ft MSL (1,000 ft AGL).

Field elevation175 ft MSL

Pattern altitude1,180 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

Check 91AK against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, 91AK is a non-towered airport.

91AK has 1 runway (3W/21W). The longest runway is 5,000 feet.

91AK uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,180 feet MSL at a field elevation of 175 feet.

91AK (Kucera Seaplane Base) has a field elevation of 175 feet MSL.

91AK (Kucera Seaplane Base) is located in Big Lake, AK.