| General data: | |
|---|---|
| Type: Hull Sonar, Active-Only | Altitude Max: 0 m |
| Range Max: 3.7 km | Altitude Min: 0 m |
| Range Min: 0 km | Generation: Early 1970s |
| Sensors / EW: |
|---|
| China H/SJD-4 - (Luda I, SJD-N Replacement) Hull Sonar, Active-Only Role: Hull Sonar, Active-Only Mortar Fire Control Max Range: 3.7 km |