Airports / 4Z7

4Z7 — Hyder Seaplane Base

Hyder, US-AK · US · IATA: WHD

Runways

1 runway · longest 10,000'

N / S

10,000' × 1000'

Surface: Water

Select an aircraft to see density altitude estimates

Look up by Tail Number (N-Number) — auto-fills make & model

or select make & model manually

Manufacturer

Model

Outside Air Temp (°C) — blank = ISA standard

What you'll get:

· Density altitude calculation

· Power retained at this elevation/temperature

· Estimated takeoff roll increase

· Climb rate estimate

· Full scenario table (ISA-10 through ISA+40)

Longest Runway10,000'

SurfaceWATER

Coordinates 55.903, -130.010

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