4LL9 Alan B. Janssen Airport

Morrisonville, Illinois, United States

Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.

Airport facts

Ident: 4LL9
Type: Small airport
Municipality: Morrisonville
Region: Illinois
Country: United States
Elevation: 642 ft (196 m)
Coordinates: 39.3437° N 89.4237° W
39°20′37″N 89°25′25″W
Towered: No
Chart Supplement: Chart Supplement (opens in a new tab)2611 4LL9

Runways

Runway	Length × width	Surface	Lighted	Status
E/W	1,980 × 75 ft	Turf	No	Open

Frequencies

No frequencies in our data

Nearby airports

1IL1 Horsefeathers Ranch Airport 6 nm
US-0502 Kleinik RLA Airport 8 nm
1LL5 Justison Airport 8 nm
28IS O K Flying Club Inc Airport 10 nm
KTAZ Taylorville Municipal Airport 12 nm