| Navaid Facility ID: | WYS |
| Official Navaid Facility ID: | WYS |
| Navaid Facility Type: | DME |
| Navaid Name: | West Yellowstone |
| City: | WEST YELLOWSTONE |
| State: | MONTANA |
| FAA Region: | |
| Latitude: | 44-40-32.770N (44.6758) |
| Longitude: | 111-07-41.410W (-111.1282) |
| Lat/Long Survey Accuracy: | |
| Owner: | FEDERAL AVIATION ADMINISTRATION |
| Operator: | FEDERAL AVIATION ADMINISTRATION |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | H-DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 11.1 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZLC (SALT LAKE CITY) |
| ARTCC Low Altitude ID (Name): | ZLC (SALT LAKE CITY) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| WYS | DME | DME UNUSBL 029T-055T BLW 18000 FT; 090T-360T BLW 18000 FT; 285T-290T BYD 35 NM BLW 24000 FT. |