| Navaid Facility ID: | STO |
| Official Navaid Facility ID: | |
| Navaid Facility Type: | TACAN |
| Navaid Name: | Porto Santo |
| City: | |
| State: | |
| FAA Region: | |
| Latitude: | 33-04-31.08N (33.0753) |
| Longitude: | 16-21-56.52W (-16.3657) |
| Lat/Long Survey Accuracy: | |
| Owner: | |
| Operator: | |
| Common System Usage: | |
| Public Use: | |
| Navaid Class: | |
| Hours of Operation: | |
| Magnetic Variance: | 3.5 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |