 | Airports: United States: John L Coppernoll Airport | |
| Airport name: | John L Coppernoll Airport |
| Airport code (ICAO): | 4LL3 |
| Latitude: | 42.3083 |
| Longitude: | -89.9835 |
| Height above sea: | 930 ft / 283 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Stockton |
| Airlines scheduled services: | no |