| Identifier: | LOPIY |
| NAS ID: | LOPIY |
| Name: | LOPIY |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ILLINOIS |
| ICAO Region: | K5 |
| Latitude: | 40-20-59.140N (40.349800) |
| Longitude: | 089-51-42.640W (-89.861800) |
| Magnetic Variance: | 2.4 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |