Sea Platforms

Technical issues push back delivery of first Yasen-M nuclear submarine

23 May 2019

Technical problems emerging from recent trials appear set to delay the entry into service of Kazan , the first Project 885M Yasen-M class nuclear-powered attack submarine (SSN), until late 2020 at the earliest, the head of United Shipbuilding Corporation said.

“According to mooring tests and factory winter sea trials [in January], it was established that a number of auxiliary units and sub-assemblies do not meet the technical requirements specified by the Ministry of Defence, including reliability,” United Shipbuilding Corporation president Aleksey Lvovich Rakhmanov told RIA Novosti on 16 May. “Identifying and refitting the substandard parts will take more than six months and vessels will then have to undergo trials again.”

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