Skip to content
Vincony — fast, managed web hosting for your next site
The Pilots Desk
Seaplane baseScheduled service

Hyder Seaplane Base

IATA WHDICAO 4Z7🇺🇸 Hyder
Coordinates
55.9033°N, 130.0100°W
Type
Seaplane base
Region
US-AK
Time zone
Vancouver(UTC-07:00)
Magnetic variation
17.4° E

Daylight today(Jul 16, 2026, local time)

Civil dawn
04:23
Sunrise
05:18
Sunset
22:16
Civil dusk
23:11

About 16h 58m 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 Hyder Seaplane Base

Hyder Seaplane Base is a state owned, public use seaplane base located one nautical mile southeast of the central business district of Hyder, a community in the Prince of Wales-Hyder Census Area of the U.S. state of Alaska. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility. It shares its airspace with the nearby Stewart Aerodrome and Stewart Water Aerodrome and its water runway in the Portland Canal exists on the Canada–United States border.

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)

RunwayLengthWidthSurfaceLightingStatus
N / S10,000 ft / 3,048 m1000 ftWaterUnlitOpen

Nearby airports

Great-circle distance and true bearing from Hyder Seaplane Base.

Wikipedia Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the airport code for Hyder Seaplane Base?

Hyder Seaplane Base uses the IATA code WHD.

Where is Hyder Seaplane Base located?

Hyder Seaplane Base is seaplane base located in Hyder, United States.

How many runways does Hyder Seaplane Base have?

Hyder Seaplane Base has 1 runway, the longest being 10,000 ft / 3,048 m.

What time zone is Hyder Seaplane Base in?

Hyder Seaplane Base is in the America/Vancouver time zone (UTC-07:00).

What is the magnetic variation at Hyder Seaplane Base?

The magnetic variation (declination) at Hyder Seaplane Base is approximately 17.4° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Hyder Seaplane Base?

The nearest airport to Hyder Seaplane Base is Stewart Airport (ZST), about 2.1 nm to the nne, followed by Bowser Aerodrome and Tyee Hydro Facility Airport.

Is the information on this page suitable for flight planning?

No. Hyder Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.