Airports / 13LL

13LL — Henry Valve Company Heliport

Melrose Park, US-IL · US · 640 ft MSL

Runways

1 runway · longest 25'

H1 / ??

25' × 25'

Surface: Concrete

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)

Elevation640' MSL

Longest Runway25'

SurfaceCONC

Coordinates 41.909, -87.874

Connect with experienced ferry pilots for domestic and international deliveries.