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Generated summary graphic for Alan B. Janssen Airport showing codes, coordinates and a runway sketch
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Alan B. Janssen Airport

ICAO 4LL9Small airfield

Alan B. Janssen Airport is a small airfield near Morrisonville in Illinois, United States. It is listed as ICAO 4LL9. The airport is located at 39.3437° / -89.4237° at an elevation of 196 m (642 ft). There is one runway, the longest measuring 604 m. The nearest airport is Dahler Airport, 11 km (7 mi) away. No scheduled service is recorded for this airfield.

Symbolic aviation imagery (AI-generated) – not a photo of this specific airport.
Map detail of Alan B. Janssen Airport with runways
Close-up with runways
World map showing the position of Alan B. Janssen Airport
Overview map

Data

Data
ICAO code4LL9
Local code4LL9
Identifier4LL9
TypeSmall airfield
CityMorrisonville
RegionIllinois
CountryUnited States
Coordinates39.34370, -89.42370
Coordinates (deg/min/sec)39° 20′ 37.32″ N 89° 25′ 25.31″ W
Elevation196 m (642 ft)
Scheduled serviceno

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Runways

RunwayLengthWidthSurfaceLighted
E/W604 m23 mTurfno

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