| Identifier: | HEYSO |
| NAS ID: | HEYSO |
| Name: | HEYSO |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | CALIFORNIA |
| ICAO Region: | K2 |
| Latitude: | 38-05-58.980N (38.099700) |
| Longitude: | 120-36-30.870W (-120.608600) |
| Magnetic Variance: | 12.7 E as of 9/30/2025 |
| High ARTCC Area: | ZOA |
| Low ARTCC Area: | ZOA |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| SPECIAL IAP |