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Russia’s Project 877 Conventional Submarine Vladikavkaz Performs 1st Long Voyage After Upgrade
 
The Project 877 Paltus-class (older generation Kilo class SSK) conventional submarine Vladikavkaz has returned to the Northern Fleet’s base in the town of Polyarny in north Russia after a long-distance voyage, the fleet’s press office said on Wednesday.
The Project 877 Paltus-class (older generation Kilo class SSK) conventional submarine Vladikavkaz (B 459) has returned to the Northern Fleet’s base in the town of Polyarny in north Russia after a long-distance voyage, the fleet’s press office said on Wednesday.
 
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Naval Forces News - Russia
 
 
 
Russia’s Project 877 Conventional Submarine Vladikavkaz Performs 1st Long Voyage After Upgrade
 
The Project 877 Paltus-class (older generation Kilo class SSK) conventional submarine Vladikavkaz (B 459) has returned to the Northern Fleet’s base in the town of Polyarny in north Russia after a long-distance voyage, the fleet’s press office said on Wednesday.
     
The Project 877 Paltus-class (older generation Kilo class SSK) conventional submarine Vladikavkaz has returned to the Northern Fleet’s base in the town of Polyarny in north Russia after a long-distance voyage, the fleet’s press office said on Wednesday.
Project 877 Paltus-class conventional submarine Vladikavkaz (B 459). Picture via warfare.be
     
"The submarine’s crew members have successfully accomplished all the assigned missions. The submarine is in good condition. Its crew members feel good and are ready to accomplish further assignments after they replenish supplies and have a rest," the press office said.

The long-distance voyage has become the first mission for the submarine Vladikavkaz after the completion of its medium repair and upgrade at the Zvyozdochka Shipyard in Severodvinsk in north Russia.
Following the upgrade, the submarine’s service life has been extended by ten years.

The submarine Vladikavkaz arrived at the Zvyozdochka Shipyard in 2008. A state contract for the repair of the submarine was signed three years later. The submarine’s hull repair lasted 2.5 years. Works were conducted to repair the submarine’s hull, equipment, rudder-propeller mechanisms, main propulsion unit and other systems that ensure the vessel’s survivability. The shipyard also upgraded the submarine’s communications, navigation, electric supply and control systems, as well as its combat information management system, propulsion unit control system and other units. In September 2014, the submarine left the shipyard’s berth and was floated out to undergo further construction afloat and dock trials. In August 2015, the submarine passed technical trials at sea successfully. The conventional submarine Vladikavkaz joined Russia’s Northern Fleet in September 2015.

The Project 887 submarine Vladikavkaz (NATO reporting name: Kilo) was built at the Krasnoye Sormovo Shipyard in the Volga city of Nizhny Novgorod in 1989. It was made operational in 1990. The submarine is designed to fight the enemy’s submarines and ships, as well as defend naval bases, coastal and naval communications and conduct reconnaissance and patrolling activities. The submarine has a full displacement of more than 3,000 tons, a length of 72.6 meters, an underwater speed of 17 knots, a submersion depth of 300 meters and cruising capacity of 45 days. Its crew totals 57. The submarine is armed with six 533mm torpedo tubes.

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