| Navaid Facility ID: | SDY |
| Official Navaid Facility ID: | SDY |
| Navaid Facility Type: | NDB |
| Navaid Name: | Sidney |
| City: | SIDNEY |
| State: | MONTANA |
| FAA Region: | |
| Latitude: | 47-42-41.323N (47.7115) |
| Longitude: | 104-10-54.440W (-104.1818) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | CITY OF SIDNEY |
| Operator: | CITY OF SIDNEY |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | HW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 7.9 E as of 1/23/2024 |
| ARTCC High Altitude ID (Name): | ZLC (SALT LAKE CITY) |
| ARTCC Low Altitude ID (Name): | ZLC (SALT LAKE CITY) |