| Identifier: | IYDAY |
| NAS ID: | IYDAY |
| Name: | IYDAY |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | MICHIGAN |
| ICAO Region: | K5 |
| Latitude: | 46-20-38.670N (46.344100) |
| Longitude: | 085-34-44.650W (-85.579100) |
| Magnetic Variance: | 6.4 W as of 9/30/2025 |
| High ARTCC Area: | ZMP |
| Low ARTCC Area: | ZMP |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |