Airports / W39

W39 — Roche Harbor Seaplane Base

Roche Harbor, US-WA · US

Runways

2 runways · longest 5,000'

NE / SW

5,000' × 1000'

Surface: Water

NW / SE

2,500' × 500'

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 Runway5,000'

SurfaceWATER

Coordinates 48.611, -123.160

Connect with experienced ferry pilots for domestic and international deliveries.