The RBU-12000 Udav-1 is a Soviet ship-borne anti-submarine weapon system. The weapon fires a number of different types of rockets, which in addition to attacking submarines provide a multi-layer defense against torpedoes and frogmen. The system operates in conjunction with the ship's sonar.
The system consists of: A KT-153 remotely controlled multi-barrel automated rocket launcher with indirect elevation/traverse stabilization; 111SG depth-charge rockets with HE warhead and impact-time fuse to engage underwater targets; 111SZ mine-laying rockets with hydro-acoustic proximity fuze for remote mining of a water area to make a barrier for incoming torpedoes; 111SO decoy rockets to divert homing torpedoes from the surface ship by creating false acoustic target; fire control devices; an ammunition loading device; ground support equipment.
Specifications Number of barrels: 10 Number of rockets (including reloads): 40-60 Effective range: 3,000 meters Effective dept: 600 meters Firing modes: single, salvo Rocket caliber: 300 mm Rocket length: 2,200 mm Reaction time: 15 seconds Intercept probability (salvo): 0.9 vs. torpedoes, 0.76 vs. homing torpedoes
Ship deployment Kiev-class aircraft carrier Kuznetsov-class aircraft carrier Kirov-class battlecruiser Udaloy-class destroyer
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