Airports / 17NH

17NH — Pomroy Heliport

Londonderry, US-NH · US · 254 ft MSL

Runways

1 runway · longest 12'

H1 / ??

12' × 12'

Surface: WOOD

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)

Elevation254' MSL

Longest Runway12'

SurfaceWOOD

Coordinates 42.824, -71.365

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