| Identifier: | OLINN |
| NAS ID: | OLINN |
| Name: | OLINN |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ILLINOIS |
| ICAO Region: | K5 |
| Latitude: | 41-54-47.840N (41.913300) |
| Longitude: | 088-48-30.400W (-88.808400) |
| Magnetic Variance: | 3.3 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER HIGH |
| CONTROLLER LOW |
| ENROUTE HIGH |
| ENROUTE LOW |
| SID |