 | Airports: United States: Smith Restricted Landing Area | |
| Airport name: | Smith Restricted Landing Area |
| Airport code (ICAO): | LL20 |
| Latitude: | 39.3131 |
| Longitude: | -90.2778 |
| Height above sea: | 582 ft / 177 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Greenfield |
| Airlines scheduled services: | no |