Port Williams Seaplane Base
Daylight today(Jul 15, 2026, local time)
About 17h 38m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Port Williams Seaplane Base
Port William Seaplane Base is a public use seaplane base located in Port William, in the Kodiak Island Borough of the U.S. state of Alaska. Port William is located on the southern tip of Shuyak Island, facing Afognak Island, about 45 miles north of Kodiak.
Summary from Wikipedia licensed under CC BY-SA.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| E / W | 10,000 ft / 3,048 m | 4000 ft | Water | Unlit | Open |
Nearby airports
Great-circle distance and true bearing from Port Williams Seaplane Base.
Frequently asked questions
What is the airport code for Port Williams Seaplane Base?
Port Williams Seaplane Base uses the IATA code KPR.
Where is Port Williams Seaplane Base located?
Port Williams Seaplane Base is seaplane base located in Port Williams, United States.
How many runways does Port Williams Seaplane Base have?
Port Williams Seaplane Base has 1 runway, the longest being 10,000 ft / 3,048 m.
What time zone is Port Williams Seaplane Base in?
Port Williams Seaplane Base is in the America/Anchorage time zone (UTC-08:00).
What is the magnetic variation at Port Williams Seaplane Base?
The magnetic variation (declination) at Port Williams Seaplane Base is approximately 13° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Port Williams Seaplane Base?
The nearest airport to Port Williams Seaplane Base is Ouzinkie Airport (KOZ), about 33.1 nm to the s, followed by Port Lions Airport and Kodiak Municipal Airport.
Is the information on this page suitable for flight planning?
No. Port Williams Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.