| Identifier: | ITDWN |
| NAS ID: | ITDWN |
| Name: | ITDWN |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | WASHINGTON |
| ICAO Region: | K1 |
| Latitude: | 48-04-59.000N (48.083100) |
| Longitude: | 122-57-33.000W (-122.959200) |
| Magnetic Variance: | 15.2 E as of 9/30/2025 |
| High ARTCC Area: | ZSE |
| Low ARTCC Area: | ZSE |
| Published: | Yes |
| Charts: | SPECIAL ROUTE |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| SPECIAL DP |
| SPECIAL IAP |