| Navaid Facility ID: | TWS |
| Official Navaid Facility ID: | |
| Navaid Facility Type: | TACAN |
| Navaid Name: | Tainan |
| City: | |
| State: | |
| FAA Region: | |
| Latitude: | 22-56-59.64N (22.9499) |
| Longitude: | 120-12-18.00E (120.205) |
| Lat/Long Survey Accuracy: | |
| Owner: | |
| Operator: | |
| Common System Usage: | |
| Public Use: | |
| Navaid Class: | |
| Hours of Operation: | |
| Magnetic Variance: | 4.4 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |