| Identifier: | SUMMA |
| NAS ID: | SUMMA |
| Name: | SUMMA |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | WASHINGTON |
| ICAO Region: | K1 |
| Latitude: | 46-37-04.290N (46.617900) |
| Longitude: | 121-59-17.960W (-121.988300) |
| Magnetic Variance: | 14.7 E as of 9/30/2025 |
| High ARTCC Area: | ZSE |
| Low ARTCC Area: | ZSE |
| Published: | Yes |
| Charts: | RNAV |
| Pitch: | Yes |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER HIGH |
| ENROUTE HIGH |
| MILITARY SID |
| SID |