1
Runway
0
Frequencies
0
Procedures
Quick Facts
ICAO
4LL9
FAA
4LL9
Elevation
642 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
39.344, -89.424
Airport Information
Facility Type
AIRPORT
Elevation
642 ft MSL
Control Tower
No
Fuel Types
None listed
Traffic Pattern
Not published
Coordinates
39.3437, -89.4237
Current Weather
Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| E/W | E / W | 1,980 ft | 75 ft | TURF | - | - | - |
Nearby airports & facilities
1IL1
Horsefeathers Ranch Airport
Irving — 6 nm
IS27
NOKOMIS COMMUNITY MEML PARK
NOKOMIS — 7 nm
IS27
NOKOMIS COMMUNITY MEML PARK
NOKOMIS — 7 nm
6IL7
KLEINIK
NOKOMIS — 8 nm
6IL7
KLEINIK
NOKOMIS — 8 nm
70IL
Murphy Farms Airport
Farmersville — 8 nm
1LL5
JUSTISON
HILLSBORO — 8 nm
1LL5
Justison Airport
Hillsboro — 8 nm
28IS
O K Flying Club Inc Airport
Fillmore — 10 nm
8IS4
HILLSBORO AREA HOSPITAL
HILLSBORO — 12 nm
8IS4
HILLSBORO AREA HOSPITAL
HILLSBORO — 12 nm
KTAZ
TAYLORVILLE MUNI
TAYLORVILLE — 12 nm
Nearest airports
- 1IL1 — Horsefeathers Ranch Airport
Irving
- IS27 — NOKOMIS COMMUNITY MEML PARK
NOKOMIS
- IS27 — NOKOMIS COMMUNITY MEML PARK
NOKOMIS
- 6IL7 — KLEINIK
NOKOMIS
- 6IL7 — KLEINIK
NOKOMIS
Illinois airports
4LL9 Operational Overview
Location & Facility
Alan B. Janssen Airport (4LL9) is a airport located in Morrisonville, Illinois, United States. The field sits at an elevation of 642 feet above mean sea level (MSL) at coordinates 39.3437°N, 89.4237°W.
Runways
Alan B. Janssen Airport has 1 runway. The longest runway (E/W) measures 1,980 feet by 75 feet with a turf surface.
Communications & Operations
Alan B. Janssen Airport is a non-towered (pilot-controlled) field.
Frequently Asked Questions
What is 4LL9?
4LL9 is the FAA location identifier for Alan B. Janssen Airport, an airport whose use category the FAA does not publish, located in Morrisonville, Illinois, United States.
How many runways does Alan B. Janssen Airport have?
Alan B. Janssen Airport (4LL9) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 4LL9?
The field elevation of Alan B. Janssen Airport is 642 feet above mean sea level (MSL). The FAA does not publish how this figure was determined; it may be estimated rather than surveyed.
Is fuel available at 4LL9?
No fuel types are currently listed for Alan B. Janssen Airport. Contact the FBO directly for availability.
What is the longest runway at 4LL9?
The longest runway at Alan B. Janssen Airport is 1,980 feet long.
How do I access complete data for 4LL9?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for Alan B. Janssen Airport.
Where is Alan B. Janssen Airport located?
Alan B. Janssen Airport (4LL9) is located in Morrisonville, Illinois, United States, at an elevation of 642 ft MSL.