| Identifier: | CIRSU |
| NAS ID: | CIRSU |
| Name: | CIRSU |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ALASKA |
| ICAO Region: | PA |
| Latitude: | 69-34-18.140N (69.571700) |
| Longitude: | 161-42-07.080W (-161.702000) |
| Magnetic Variance: | 8.6 E as of 9/30/2025 |
| High ARTCC Area: | ZAN |
| Low ARTCC Area: | ZAN |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| ENROUTE LOW |