| Identifier: | GRUBB |
| NAS ID: | GRUBB |
| Name: | GRUBB |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | MICHIGAN |
| ICAO Region: | K5 |
| Latitude: | 43-13-27.310N (43.224300) |
| Longitude: | 085-20-23.490W (-85.339900) |
| Magnetic Variance: | 6 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 |
| ENROUTE HIGH |