| Navaid Facility ID: | ESY |
| Official Navaid Facility ID: | ESY |
| Navaid Facility Type: | NDB |
| Navaid Name: | Yellowstone |
| City: | WEST YELLOWSTONE |
| State: | MONTANA |
| FAA Region: | |
| Latitude: | 44-41-22.550N (44.6896) |
| Longitude: | 111-07-15.920W (-111.1211) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | STATE OF MONTANA |
| Operator: | STATE OF MONTANA |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | HW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 11.2 E as of 1/23/2024 |
| ARTCC High Altitude ID (Name): | ZLC (SALT LAKE CITY) |
| ARTCC Low Altitude ID (Name): | ZLC (SALT LAKE CITY) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| ESY | NDB | NDB OPERATES JUNE-SEPT. |