Airports / 0G5

0G5 — Grand Marais/Cook County Seaplane Base

Grand Marais, US-MN · US · 1,635 ft MSL

Runways

2 runways · longest 15,000'

09 / 27

15,000' × 1500'

Surface: Water

03 / 21

3,000' × 2000'

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)

Elevation1,635' MSL

Longest Runway15,000'

SurfaceWATER

Coordinates 47.826, -90.384

Connect with experienced ferry pilots for domestic and international deliveries.