| Navaid Facility ID: | THX |
| Official Navaid Facility ID: | THX |
| Navaid Facility Type: | VORTAC |
| Navaid Name: | Three Rivers |
| City: | THREE RIVERS |
| State: | TEXAS |
| FAA Region: | |
| Latitude: | 28-30-17.990N (28.505) |
| Longitude: | 098-09-01.680W (-98.1505) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | L-VORTAC |
| Hours of Operation: | 24 |
| Magnetic Variance: | 3.4 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZHU (HOUSTON) |
| ARTCC Low Altitude ID (Name): | ZHU (HOUSTON) |
| Navaid ID | Navaid Facility Type | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| THX | VORTAC | 3.5 E | AKVIL TX - K4 BOWUN TX - K4 CAMOK TX - K4 CARTI TX - K4 DUVAL TX - K4 ELKAY TX - K4 FENAK TX - K4 GRANE TX - K4 LEMIG TX - K4 MILET TX - K4 OTVIW TX - K4 OTWED TX - K4 SOMER TX - K4 TINIE TX - K4 WENDL TX - K4 WORRY TX - K4 YICKS TX - K4 ZAMLI TX - K4 |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| THX | VORTAC | AKVIL INT*TX*K4, Pattern #: 1 BOWUN INT*TX*K4, Pattern #: 1 THREE RIVERS VORTAC*TX, Pattern #: 1 THREE RIVERS VORTAC*TX, Pattern #: 2 THREE RIVERS VORTAC*TX, Pattern #: 3 |