Moscow, June 4: Russia's Project 885 Yasen-class attack submarine, the Severodvinsk, has embarked on its latest series of official tests in the White Sea.
Yekaterina Pilikina, spokeswoman at the Sevmash shipyard, the submarine's manufacturer, said the tests started several days ago, but did not give details on their time frame or scope.
The multirole attack submarine has a submerged displacement of 13,800 tonnes, length of 119 metres, speed of 31 knots, and can dive to 600 metres. It has a crew of 90, including 32 officers.
It is armed with 3M55 Oniks (SS-N-26) and 3M54 (SS-N-27) Kalibr cruise missiles, torpedoes and mines.
The shipyard earlier said the submarine would continue tests that had started in 2011.
The Severodvinsk has spent a total of 137 days at sea.
The submarine, whose construction began in 1993, is due to be delivered to the Navy later this year. It was to have been handed over by the end of 2012.
The Severodvinsk carried out a series of cruise-missile test-firings in November, including the test-launch of a supersonic cruise missile at a land target.
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