# Amook Bay Seaplane Base (AOS / AK81)

**Amook Bay Seaplane Base** (IATA: AOS, FAA: AK81) is a seaplane base in Amook Bay, Alaska, United States. It opened in Jun 1963. It has one runway, 8,000 ft (2,438 m) long, water. In 2025 it handled 135 passengers.

Web page: https://dromopedia.com/airports/ak81

## At a glance

- IATA / ICAO: AOS / —
- FAA: AK81
- Type: Seaplane base
- Serves: Amook Bay, Alaska, United States
- Opened: Jun 1963
- Elevation: 0 ft / 0 m
- Coordinates: 57.4715, -153.8150
- Runways: 1
- Longest runway: 8,000 ft / 2,438 m
- Passengers: 135 (2025)
- Time zone: UTC-9/-8 · America/Anchorage
- Wikipedia: https://en.wikipedia.org/wiki/Amook_Bay_Seaplane_Base (6 languages)
- Wikidata: https://www.wikidata.org/wiki/Q303788
- Ident: AK81

## Timeline

- Jun 1963: Amook Bay Seaplane Base opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| N/S | 8,000 ft / 2,438 m | 700 ft / 213 m | Water |  |  |

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 169 | BTS T-100 Segment |
| 2021 | 165 | BTS T-100 Segment |
| 2022 | 198 | BTS T-100 Segment |
| 2023 | 178 | BTS T-100 Segment |
| 2024 | 104 | BTS T-100 Segment |
| 2025 | 135 | BTS T-100 Segment |

## Routes

2 destinations in 1 country. From the airport's Wikipedia article.

### Year-round (2)

- [KZB](https://dromopedia.com/airports/kzb.md) Zachar Bay Seaplane Base · United States · 6.2 mi / 10 km · Island Air Service
- [ADQ](https://dromopedia.com/airports/padq.md) Kodiak Airport · United States · 53 mi / 85 km · Island Air Service

## Airlines

The figure is how many destinations each airline flies from AOS, as the routes above have them. Hubs from Wikidata.

### Passenger (1)

- Island Air Service · 2

## Nearby airports

- [KLN](https://dromopedia.com/airports/palb.md) Larsen Bay Airport · 7.4 mi / 12 km
- [KYK](https://dromopedia.com/airports/paky.md) Karluk Airport · 25 mi / 40 km
- [OLH](https://dromopedia.com/airports/olh.md) Old Harbor Airport · 27 mi / 43 km
- [AKK](https://dromopedia.com/airports/pakh.md) Akhiok Airport · 39 mi / 63 km
- [ORI](https://dromopedia.com/airports/ori.md) Port Lions Airport · 46 mi / 74 km
- [ADQ](https://dromopedia.com/airports/padq.md) Kodiak Airport · 53 mi / 85 km

## In collections

- [Water runways](https://dromopedia.com/collections/water-runways) #16

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [Wikipedia: “Amook Bay Seaplane Base”](https://en.wikipedia.org/w/index.php?title=Amook_Bay_Seaplane_Base&oldid=1364138517), revision of 14 Jul 2026 (CC BY-SA 4.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/ak81/data