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K-84 Yekaterinburg

K-84 Yekaterinburg. Photo from submarine.id.ru

K-84 Yekaterinburg is a 2nd generation Project 667BDRM Delfin Nuclear-Powered Ballistic Missile Submarine.


Gadzhievo, Northern Fleet


The submarine was laid down at Sevmash shipyard (Severodvinsk) on February 17, 1982; launched in September 1984; commissioned on December 30, 1985. The sub obtained the name of Yekaterinburg on February 9, 1999 as she was taken under patronage of the city administration.


On December 31, 1985 the sub arrived to permanent basing site at Olenya Guba.

In July-Dec 1986 the sub held acoustic trials in the White Sea.

On April 1, 1988 General of the Army Dmitry Yazov, Soviet Minister of Defense visited the submarine and highly appreciated the crew's activities while performing combat duties.

In 1988 the submarine carried out two autonomous patrols.

In December 1989 an ever-first attempt to launch full missile set in submerged position was undertaken. The launch of second missile was aborted due to technical reasons.

In 1989, 1990 the sub carried out two patrols.

In 1993 she was transferred to Saida Guba.

On December 3, 1996 the sub was laid up for interim overhaul at Zvezdochka shipyard (Severodvinsk); however, the repair started only on March 24, 1998 and was completed on January 15, 2003.

In September 2002 high-pressure air manifold was ruptured during builder's trials at the White Sea; adjustor of SPO Arktika suffered. Trials were suspended and the sub returned to Severodvinsk.

On July 8, 2003 the sub arrived to main basing site at Yagelnaya Bay.

In December 2003 and in June 2004 the submarine successfully held launch tests of SLBM Sineva system.

In August 2005 during Northern Fleet's exercise headed by the President of Russia the sub successfully launched ballistic missile with impact point at Kamchatka range.

In 2005 she won the Navy Commander's Prize "For missile firing".

In Aug-Sept 2006 patrolling the Arctic Ocean, the sub surfaced at North Pole and launched ballistic missile with impact point at Chizha Range.

In 2006 the submarine successfully orbited Kompas-2 satellite.

Late Dec 2011 a fire occurred on the submarine during repair works in Roslyakovo, Murmansk region; nine persons suffered, sonar antenna was damaged.


NATO classification: Delta-IV
Surface speed: 14 knots
Submerged speed: 24 knots
Operating depth: 320 - 400 meters
Test depth: 650 meters
Endurance: 90 days
Crew: 140 men


Surface displacement: 11,740 tons
Submerged displacement: 18,200 tons
Extreme length (at design waterline): 167.4 meters
Extreme beam: 11.7 meters
Mean draft (at design waterline): 8.8 meters


2 nuclear reactors VM-4SG; total power 180 mW
2 steam generators OK-700A
2 turbogear assemblies GTZA-635
2 steam turbines; total power 60,000 shp (44,100 kW)
2 x 3,000 kW turbo generators TG-3000
2 x 460 kW diesel generators DG-460
2 x 225 shp economic speed motors
2 propulsion shafts
2 five-vaned screws


4 x 533-mm bow torpedo tubes (12 torpedoes SAET-60M, 53-65M, ASW rockets RPK-6 Vodopad or up to 24 mines instead)
16 SLBM R-29RM
4-8 MANPADS 9K310 Igla-1/9K38 Igla