Baranof Warm Springs Float and Seaplane Float (BNF)

Seaplane base information: Baranof, AK, United States. Search for another airport below.

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Location and general information

Facility type: Seaplane base
FAA identifier: BNF
FAA site number: 50053.*C
City / state: Baranof, AK
County: Wrangell-Petersburg
Reference point: 57°05'19.77" N
134°49'59.31" W
Elevation: 0 ft (estimated)
Magnetic variation: 27° E (1985)
Status: Operational
Ownership: Public, City and Borough of Sitka
Use: Open to the public
From downtown: 0 NM southeast
Sectional chart: Juneau
Activated: 12/1950

Services and facilities

Control tower: No
Attendance: Unattended
ARTCC: Anchorage (ZAN)
Flight service: Sitka (SIT)
1-800-478-6300
NOTAM facility: SIT
Wind indicator: Yes, unlighted
Segmented circle: No
Landing fee: No
Customs: No
Airport manager: Harbormaster
(907) 747-3439
Last FAA inspection: 08/20/2024

FAA remarks

Operations area in warm springs Bay.
Boats may be tied to SPB float dock.
High terrain srndg landing zone.
Ocnl turb wind shear low elev.
Gangway prvds land slide aces apr-nov.
Caution: heavy waterfall current shoves planes into float; hazus during certain tide.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Seaplane base facts

FAA identifier: BNF
Location: Baranof, AK, United States
Elevation: 0 ft
Coordinates: 57.08883, -134.83314

Runways

Runway	Size	Surface
E / W	10,000 × 1,000 ft	Water, excellent

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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