| Identifier: | ZEMSA |
| NAS ID: | ZEMSA |
| Name: | ZEMSA |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | MICHIGAN |
| ICAO Region: | K5 |
| Latitude: | 42-14-16.490N (42.237900) |
| Longitude: | 085-20-14.890W (-85.337500) |
| Magnetic Variance: | 5.9 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 |