5Z9 — Lake Brooks Seaplane Base, Katmai National Park, AK

Non-ToweredKatmai National Park, AK • IATA: BKF • 36' MSL

5Z9 WeatherLive METAR & TAF

5Z9 has 1 runway. The longest is ALL/WAY at 5,000 ft × 4,000 ft (water).

ALL/WAYNo runway lights5,000 ft × 4,000 ftWater

FAA NASR data, cycle 2026-09-03

5Z9 field elevation is 36 ft MSL. The standard traffic pattern altitude at 5Z9 is 1,040 ft MSL (1,000 ft AGL).

Field elevation36 ft MSL

Pattern altitude1,040 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

Check 5Z9 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, 5Z9 is a non-towered airport.

5Z9 has 1 runway (ALL/WAY). The longest runway is 5,000 feet.

5Z9 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,040 feet MSL at a field elevation of 36 feet.

5Z9 (Lake Brooks Seaplane Base) has a field elevation of 36 feet MSL.

5Z9 (Lake Brooks Seaplane Base) is located in Katmai National Park, AK.