| Navaid Facility ID: | GRK |
| Official Navaid Facility ID: | GRK |
| Navaid Facility Type: | VOR-DME |
| Navaid Name: | Gray |
| City: | FORT CAVAZOS (KILLEEN) |
| State: | TEXAS |
| FAA Region: | |
| Latitude: | 31-01-58.391N (31.0329) |
| Longitude: | 097-48-49.648W (-97.8138) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | US ARMY |
| Operator: | US ARMY |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | T-VORW/DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 3.2 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZHU (HOUSTON) |
| ARTCC Low Altitude ID (Name): | ZHU (HOUSTON) |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| GRK | VOR-DME | CURTZ INT*TX*K4, Pattern #: 1 GRAY VOR/DME*TX, Pattern #: 1 GRAY VOR/DME*TX, Pattern #: 2 GRAY VOR/DME*TX, Pattern #: 3 |