| Navaid Facility ID: | GRF |
| Official Navaid Facility ID: | GRF |
| Navaid Facility Type: | NDB |
| Navaid Name: | Graye |
| City: | FORT LEWIS/TACOMA |
| State: | WASHINGTON |
| FAA Region: | |
| Latitude: | 47-09-01.069N (47.1503) |
| Longitude: | 122-36-16.777W (-122.6047) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | US ARMY |
| Operator: | US ARMY |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 15 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZSE (SEATTLE) |
| ARTCC Low Altitude ID (Name): | ZSE (SEATTLE) |