| Identifier: | CASUK |
| NAS ID: | CASUK |
| Name: | CASUK |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | IDAHO |
| ICAO Region: | K1 |
| Latitude: | 43-43-47.530N (43.729900) |
| Longitude: | 111-53-18.100W (-111.888400) |
| Magnetic Variance: | 11.3 E as of 9/30/2025 |
| High ARTCC Area: | ZLC |
| Low ARTCC Area: | ZLC |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |