| Identifier: | SIMMN |
| NAS ID: | SIMMN |
| Name: | SIMMN |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ILLINOIS |
| ICAO Region: | K5 |
| Latitude: | 41-58-50.470N (41.980700) |
| Longitude: | 088-52-42.400W (-88.878400) |
| Magnetic Variance: | 3.2 W as of 6/8/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | RNAV |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER LOW |
| ENROUTE LOW |
| IAP |
| SID |
| SPECIAL IAP |