AirportsAmook Bay Seaplane Base is a seaplane base serving Amook Bay, in Alaska, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is AOS.
Key facts
- IATA code
- AOS
- ICAO code
- AK81
- City
- Amook Bay
- State or region
- Alaska
- Country
- United States
- Kind
- Seaplane base
- Coordinates
- 57.4715° N, 153.8150° W
- Elevation
- not listed
- Runways
- 1
- Longest runway
- 2,438 m (8,000 ft)
Airport codes
On a ticket or a baggage tag, AOS means Amook Bay Seaplane Base. Pilots and air traffic controllers use a different, four-letter ICAO code: AK81. How the two kinds of code differ.
Where it is
The airport lies at 57.4715° N, 153.8150° W.
Runways
Amook Bay Seaplane Base has 1 runway in the data. The longest is 2,438 metres (8,000 feet). That is long enough for most passenger jets. Among the 675 airports of United States on this site with runway data, its longest runway ranks number 253.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| N/S | 2,438 m 8,000 ft | 213 m | Water | not listed |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Zachar Bay Seaplane BaseZachar Bay | KZB | 10 km |
| Larsen Bay AirportLarsen Bay | KLN | 12 km |
| West Point Village Seaplane BaseWest Point | KWP | 37 km |
| Karluk AirportKarluk | KYK | 40 km |
| San Juan /Uganik/ Seaplane BaseSan Juan | UGI | 41 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 9,336 km | 11 h 45 min |
| Mumbai (BOM)India | 10,472 km | 13 h 05 min |
| Dubai (DXB)United Arab Emirates | 10,422 km | 13 h 05 min |
| London Heathrow (LHR)United Kingdom | 7,660 km | 9 h 45 min |
| New York JFK (JFK)United States | 5,749 km | 7 h 25 min |
| Los Angeles (LAX)United States | 3,720 km | 5 h 00 min |
| Singapore (SIN)Singapore | 10,605 km | 13 h 15 min |
| Tokyo Haneda (HND)Japan | 5,370 km | 7 h 00 min |
| Sydney (SYD)Australia | 11,388 km | 14 h 15 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.