 | Airports: United States: Alan B. Janssen Airport | |
| Airport name: | Alan B. Janssen Airport |
| Airport code (ICAO): | 4LL9 |
| Latitude: | 39.3437 |
| Longitude: | -89.4237 |
| Height above sea: | 642 ft / 195 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Morrisonville |
| Airlines scheduled services: | no |