Alan B. Janssen Airport
Check 4LL9 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 4LL9 is a non-towered airport.
4LL9 has 1 runway (E/W). The longest runway is 1,980 feet.
4LL9 (Alan B. Janssen Airport) has a field elevation of 642 feet MSL.
4LL9 (Alan B. Janssen Airport) is located in Morrisonville, IL.