| Navaid Facility ID: | SJ |
| Official Navaid Facility ID: | SJ |
| Navaid Facility Type: | NDB |
| Navaid Name: | Patty |
| City: | SAN JUAN |
| State: | PUERTO RICO |
| FAA Region: | |
| Latitude: | 18-24-32.072N (18.4089) |
| Longitude: | 066-05-22.410W (-66.0896) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW/LOM |
| Hours of Operation: | 24 |
| Magnetic Variance: | 13.7 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZSU (SAN JUAN) |
| ARTCC Low Altitude ID (Name): | ZSU (SAN JUAN) |