Airports / 27LL

27LL — Ralph Jacobs Airport

Valmeyer, US-IL · US · 400 ft MSL

Runways

2 runways · longest 2,350'

18 / 36

2,350' × 85'

Surface: Turf / Grass

10 / 28

1,950' × 85'

Surface: Turf / Grass

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)

Elevation400' MSL

Longest Runway2,350'

SurfaceTURF

Coordinates 38.375, -90.319

Connect with experienced ferry pilots for domestic and international deliveries.