Airports / MT15

MT15 — Fort Harrison Army Airfield

Helena, US-MT · US · 4,050 ft MSL

Runways

2 runways · longest 2,185'

05 / 23

2,185' × 100'

Surface: Turf / Grass Headings: 67° / 247° T

10 / 28

1,840' × 97'

Surface: Turf / Grass Headings: 119° / 299° T

OPS 40.650 HELENA ARNG OPS

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)

Elevation4,050' MSL

Longest Runway2,185'

SurfaceGRS

Coordinates 46.625, -112.111

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