Airports / Alaska / AOS
Amook Bay Seaplane Base.
Amook Bay, Alaska. A private-aviation gateway on the Bravo register.
AK81
IATA AOS
0
Operators based
n/a
Elevation ft
Field standing
5 nm
To the nearest alternate
Zachar Bay Seaplane Base (KZB), 6 fields within 50 nm.
Overview
Amook Bay Seaplane Base (AOS) sits in Amook Bay, Alaska, where it functions as a seaplane base. The airport supports scheduled airline service as well as private jet and charter movements.
AOS has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Zachar Bay Seaplane Base (KZB, 5 nm), Larsen Bay Airport (KLN, 6 nm), and West Point Village Seaplane Base (KWP, 20 nm). AOS offers a single 8,000-foot unpaved runway, which supports charter types through the turboprop class.
Quotes for flights out of AOS vary with aircraft type, repositioning, and schedule flexibility. Use the cost estimator to model a trip from AOS, or browse verified operators serving the area.
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Field capability
ICAO
AK81
IATA
AOS
FAA / Local
AK81
Elevation
n/a
Coordinates
57.4715° N · 153.8150° 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
Yes
Runways & aircraft access
1 runway
longest 8,000 ft
- N/S8,000 ft × 700 ftWaterUnlit
Which aircraft can operate here
vs longest runway 8,000 ft
AOS's 8,000 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.
- 5nmKZBZachar Bay Seaplane BaseZachar Bay
- 6nmKLNLarsen Bay AirportLarsen Bay
- 20nmKWPWest Point Village Seaplane BaseWest Point
- 21nmKYKKarluk AirportKarluk
- 22nmUGISan Juan /Uganik/ Seaplane BaseSan Juan
- 23nmKOYOlga Bay Seaplane BaseOlga Bay
Location
Open the full mapAK81 · Amook Bay Seaplane Base · Amook Bay, AK
Flight times from here
Approximate nonstop block times from AOS on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 251 nm | 59m |
| Seattle (SEA) | 1,284 nm | 3h 23m |
| San Francisco (SFO) | 1,717 nm | 4h 24m |
| Jackson Hole (JAC) | 1,802 nm | 4h 35m |
| Salt Lake City (SLC) | 1,881 nm | 4h 46m |
| Los Angeles (VNY) | 1,993 nm | 5h 2m |
| Las Vegas (LAS) | 1,999 nm | 5h 3m |
| Vail / Eagle (EGE) | 2,091 nm | 5h 16m |
Common questions
- What size private jets can use AOS?
- Amook Bay Seaplane Base's longest runway is 8,000 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 AOS?
- Amook Bay Seaplane Base has one runway; the longest measures 8,000 ft.
- What is the nearest major airport to AOS?
- The closest alternate is Zachar Bay Seaplane Base (KZB), about 5 nm away, followed by Larsen Bay Airport (KLN) at 6 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from AOS to major cities?
- Typical block times on a midsize jet: Anchorage about 59m (251 nm), Seattle about 3h 23m (1,284 nm), San Francisco about 4h 24m (1,717 nm). Faster classes trim these times; add positioning and taxi for the real schedule.