 | Airports: United States: Foster Field | |
| Airport name: | Foster Field |
| Airport code (ICAO): | K7A4 |
| Latitude: | 42.4664 |
| Longitude: | -90.1694 |
| Height above sea: | 990 ft / 301 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Apple River |
| Airlines scheduled services: | no |