4LL9
Alan B. Janssen Airport
Alan B. Janssen Airport (4LL9) is a general-aviation airfield serving Morrisonville, Illinois. The field lies at 642 ft (196 m) above sea level and has a single runway of 1,980 ft (604 m), grass. Its nearest neighbour is Horsefeathers Ranch Airport (1IL1), 6 nm S.
Movements are not attributed to this field. The nearest Alārium counts traffic for is Abraham Lincoln Capital Airport (SPI), 32 nm NNW.
Location
- Elevation
- 642 ft (196 m)
- Coordinates
- 39.3437, -89.4237
- Serving
- Morrisonville
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 1,980 ft
Orientation and relative length from the designator: runway E is aligned by compass point only. No published thresholds here, so strips sit about the field centre. Not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| E/W | 1,980 ft604 m | 75 ft | Grass | — |
Nearby airfields
- Nearest paved 3,000 ft
- KTAZTaylorville Municipal Airport · 12 nm NNE
- Airfields within 25 nm
- 15
Field data: OurAirports, public domain. Positions: ADS-B, which does not carry every aircraft.