| Navaid Facility ID: | ZR |
| Official Navaid Facility ID: | ZR |
| Navaid Facility Type: | NDB |
| Navaid Name: | Sarnia |
| City: | SARNIA |
| State: | |
| Country: | CANADA (navaid_country_code) |
| FAA Region: | |
| Latitude: | 42-56-26.113N (42.9406) |
| Longitude: | 082-14-00.653W (-82.2335) |
| Lat/Long Survey Accuracy: | 10 seconds |
| Owner: | CANADIAN MINISTRY OF TRANSPORT |
| Operator: | CANADIAN MINISTRY OF TRANSPORT |
| Common System Usage: | No |
| Public Use: | No |
| Navaid Class: | L |
| Hours of Operation: | 24 |
| Magnetic Variance: | 8.2 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |