| Navaid Facility ID: | MRK |
| Official Navaid Facility ID: | MRK |
| Navaid Facility Type: | NDB |
| Navaid Name: | Molly Ridge |
| City: | RAYVILLE |
| State: | LOUISIANA |
| FAA Region: | |
| Latitude: | 32-24-33.017N (32.4092) |
| Longitude: | 091-46-40.585W (-91.7779) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | CITY OF RAYVILLE |
| Operator: | CITY OF RAYVILLE |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 0.5 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZFW (FORT WORTH) |
| ARTCC Low Altitude ID (Name): | ZFW (FORT WORTH) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| MRK | NDB | 3RD PARTY SURVEY. |