| Navaid Facility ID: | LDM |
| Official Navaid Facility ID: | LDM |
| Navaid Facility Type: | NDB |
| Navaid Name: | Ludington |
| City: | LUDINGTON |
| State: | MICHIGAN |
| FAA Region: | |
| Latitude: | 43-57-46.439N (43.9629) |
| Longitude: | 086-24-34.067W (-86.4095) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | MASON COUNTY ARPT COMM |
| Operator: | MASON COUNTY ARPT COMM |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 5.3 W as of 2/17/2025 |
| ARTCC High Altitude ID (Name): | ZMP (MINNEAPOLIS) |
| ARTCC Low Altitude ID (Name): | ZMP (MINNEAPOLIS) |