4LL9 in 20 seconds
Alan B. Janssen Airport serves Morrisonville, US.
AirportRoutes · updated Mar 24, 2026
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Common questions about 4LL9
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Where is Alan B. Janssen Airport located?
Alan B. Janssen Airport is located in Morrisonville, US, at an elevation of 642 ft. Its IATA code is — and ICAO code is 4LL9.