URPK-3/-4/-5 (83R Metel, 84R Metel-U, 85RU/-RUS Rastrub, YU85, SS N-14 "Silex")

Anti-submarine and anti-ship weapon (85RU), a combination of a carrier missile and a torpedo. Use against submarines: the carrier rocket delivers the torpedo to the target area, where the torpedo is separated, activated on hitting the surface and guided to the submarine by commands from the anti-submarine helicopter (83R and 84R Metel) or by its own means to annihilate the submarine (85RU Rastrub). The surface ships are directly attacked by the carrier missile, the torpedo remains in the submarine and causes a secondary explosion, the guidance is IR (only the 85RU Rastrub version is also anti-ship).


URPK3/-4 (83R Metel, 84R Metel-U)


The launcher is derived from the P120 Malakhit, the torpedo used is an airborne AT1 for the 83R or AT2 for the 84R, however a 5 kt nuclear depth load can also be used.
The system has been used on the Project 1134B and 1134BF ships (Kresta II and Kara classes), the Project 1135 Burevestnik frigates (Krivak I and II) and the Project 1155 Fregat (Udaloy) torpedo boats.


URPK5 (85RU Rastrub)


Carrier missile with added 185kg HE warhead, AT2 or UGMT torpedo (UGST modification?), alternatively 5kt nuclear depth load.
The system replaced the 83R and 84R on cruisers and most torpedo boats and frigates, was also installed on Kirov, later replaced by the Vodopad system.


URPK5 (85RUS)
Carrier missile with nuclear warhead


YU85


Extended range version


Source: Jane´s, Wikipedia,other secondary sources
URL : https://www.valka.cz/URPK-3-4-5-83R-Metel-84R-Metel-U-85RU-RUS-Rastrub-YU85-SS-N-14-Silex-t122490#418108 Version : 0
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