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 SJD-4 - (Luda) Hull Sonar, Active-Only
Role: Hull Sonar, Active-Only Mortar Fire Control
Max Range: 3.7 km