 | Airports: United States: Clark Airport | |
| Airport name: | Clark Airport |
| Airport code (ICAO): | 23IS |
| Latitude: | 40.3259 |
| Longitude: | -90.8276 |
| Height above sea: | 570 ft / 173 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Plymouth |
| Airlines scheduled services: | no |