Airports / 25NH

25NH — Phantom Three Heliport

Charlestown, US-NH · US · 410 ft MSL

Runways

1 runway · longest 40'

H1 / ??

40' × 40'

Surface: Turf / Grass Headings: — / 8° T

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)

Elevation410' MSL

Longest Runway40'

SurfaceTURF

Coordinates 43.317, -72.390

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