| Identifier: | ZIRKU |
| NAS ID: | ZIRKU |
| Name: | ZIRKU |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | COLORADO |
| ICAO Region: | K2 |
| Latitude: | 38-37-52.290N (38.631200) |
| Longitude: | 104-38-05.710W (-104.634900) |
| Magnetic Variance: | 7.3 E as of 9/30/2025 |
| High ARTCC Area: | ZDV |
| Low ARTCC Area: | ZDV |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |