Airports / Alaska / BNF
Baranof Warm Springs Float and Seaplane Base.
Baranof, Alaska. A private-aviation gateway on the Bravo register.
5.0/5
Google rating
6 ratings
0
Operators based
n/a
Elevation ft
Google rating
Google reviews
Nearest alternate
Field standing
#7 / 225
Alaska airports by Google rating
5.0★ across 6 Google ratings , ranked against 225 rated AK fields.
17 nm
To the nearest alternate
Sitka Rocky Gutierrez Airport (SIT), 6 fields within 50 nm.
Overview
Located in Baranof, Alaska, Baranof Warm Springs Float and Seaplane Base (BNF) operates as a seaplane base. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
No charter operator is headquartered on the field, but operators routinely position aircraft into BNF for departures. When weather or ramp space demands it, nearby options are Sitka Rocky Gutierrez Airport (SIT, 17 nm), Chatham Seaplane Base (CYM, 26 nm), and Angoon Seaplane Base (AGN, 26 nm). With a single 10,000-foot unpaved runway, BNF can typically accommodate aircraft as large as turboprops.
Charter pricing from BNF depends on aircraft category, positioning distance, and trip timing. In directories and search listings it also appears under Warm Spring Bay Seaplane Base Baranof Warm Springs and Baranoff. Compare rated operators or run a route through the cost estimator to gauge pricing from Baranof.
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Field capability
ICAO
BNF
IATA
BNF
FAA / Local
BNF
Elevation
n/a
Coordinates
57.0888° N · 134.8331° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Seaplane
Scheduled svc
No
Runways & aircraft access
1 runway
longest 10,000 ft
- E/W10,000 ft × 1000 ftWaterUnlit
Which aircraft can operate here
vs longest runway 10,000 ft
BNF's 10,000 ft runway typically supports charter aircraft up to turboprops.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 17nmSITSitka Rocky Gutierrez AirportSitka
- 26nmCYMChatham Seaplane BaseChatham
- 26nmAGNAngoon Seaplane BaseAngoon
- 30nmKAEKake Seaplane BaseKake
- 31nmPAFEKake AirportKake
- 43nmTKETenakee Seaplane BaseTenakee Springs
Location
Open the full mapBNF · Baranof Warm Springs Float and Seaplane Base · Baranof, AK
Flight times from here
Approximate nonstop block times from BNF on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 526 nm | 1h 37m |
| Seattle (SEA) | 737 nm | 2h 7m |
| Jackson Hole (JAC) | 1,216 nm | 3h 14m |
| San Francisco (SFO) | 1,269 nm | 3h 21m |
| Salt Lake City (SLC) | 1,318 nm | 3h 28m |
| Las Vegas (LAS) | 1,488 nm | 3h 52m |
| Vail / Eagle (EGE) | 1,509 nm | 3h 55m |
| Los Angeles (VNY) | 1,526 nm | 3h 57m |
Common questions
- What size private jets can use BNF?
- Baranof Warm Springs Float and Seaplane Base's longest runway is 10,000 ft, which typically supports charter aircraft up to turboprops. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at BNF?
- Baranof Warm Springs Float and Seaplane Base has one runway; the longest measures 10,000 ft.
- What is the nearest major airport to BNF?
- The closest alternate is Sitka Rocky Gutierrez Airport (SIT), about 17 nm away, followed by Chatham Seaplane Base (CYM) at 26 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from BNF to major cities?
- Typical block times on a midsize jet: Anchorage about 1h 37m (526 nm), Seattle about 2h 7m (737 nm), Jackson Hole about 3h 14m (1,216 nm). Faster classes trim these times; add positioning and taxi for the real schedule.