 | Airports: United States: Illinois Valley Regional-Walter A Duncan field | |
| Airport name: | Illinois Valley Regional-Walter A Duncan field |
| Airport code (ICAO): | KVYS |
| Latitude: | 41.3519 |
| Longitude: | -89.1531 |
| Height above sea: | 654 ft / 199 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Peru |
| Airlines scheduled services: | no |