| Navaid Facility ID: | ECA |
| Official Navaid Facility ID: | ECA |
| Navaid Facility Type: | VOR-DME |
| Navaid Name: | Manteca |
| City: | STOCKTON |
| State: | CALIFORNIA |
| FAA Region: | |
| Latitude: | 37-50-00.978N (37.8336) |
| Longitude: | 121-10-16.957W (-121.1714) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | H-VORW/DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 12.7 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZOA (OAKLAND) |
| ARTCC Low Altitude ID (Name): | ZOA (OAKLAND) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| ECA | VOR-DME | VOR UNUSBL 015-025 BYD 5 NM; 032-034 BYD 10 NM; 055-065; 075-090 BYD 5 NM; 115-125 BYD 9 NM; 126-180; 200-224; 251-254; 300-310 BYD 9 NM; 310-345 BLW 2000 FT; 310-345 BYD 20 NM BLW 3000 FT; 345-360 BYD 10 NM. |
| ECA | VOR-DME | DME UNUSBL 310-345 BLW 2000 FT; 310-345 BYD 20 NM BLW 3000 FT. |