Russian submarine Arkhangelsk (K-525)

K-525 Arkhangelsk (Russian: Архангельск, IPA: [ɐrˈxanɡʲɪlʲsk]) was an Oscar I-class nuclear-powered cruise missile submarine of the Soviet Navy, and later the Russian Navy.[1][2][7] She was the first of the two Oscar I (the Soviet classification was Project 949 Granit) vessels constructed, the other being K-206. A further 11 submarines of an improved class, Project 949A (Antey) (called Oscar II by NATO), were subsequently constructed.

Arkhangelsk
History
Soviet Union, Russia
Name	K-525 Minskiy Komsomolets from December 30, 1980 K-525 Arkhangelsk from 6 April 1993.[1]
Namesake	Minsk Komsomol Russian port of Arkhangelsk
Builder	Sevmash
Laid down	25 July 1975[1]
Launched	3 May 1980[1]
Commissioned	30 December 1980[1]
Decommissioned	1996 (in reserve in 1991[2])
Fate	Decommissioned in 2006. Currently in reserve.[3]
General characteristics
Class and type	Oscar-class submarine
Displacement	12,500 tons surfaced 15,500-22,500 tons submerged[4]
Length	143 m (469 ft 2 in)[4]
Beam	18.2 m (59 ft 9 in) (20.1 m (65 ft 11 in) with stabilisers)
Draught	9 m (29 ft 6 in)
Propulsion	2 × pressurized water cooled reactors (HEU <= 45%[5]) powering two steam turbines delivering 73,070 kW (98,000 shp) to two shafts
Speed	16 knots (30 km/h; 18 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[4]
Endurance	50 days,[4] or 120 days[6]
Test depth	500 m operational, 830 m max[6]
Complement	94[4]
Armament	4 × 533 mm (21.0 in) and 2 × 650 mm (26 in) torpedo tubes in bow 28 × 533 mm and 650 mm weapons, including Tsakra (SS-N-15 Starfish) anti-submarine missiles with 15 kt nuclear warheads and Vodopad/Veder (SS-N-16 Stallion) and anti-submarine missiles with 200 kt nuclear warhead or Type 40 anti-submarine torpedo or 32 ground mines 24 × P-700 Granit (SS-N-19 Shipwreck) cruise missiles with 750 kilograms (1,650 lb) HE or 500 kt nuclear warheads

The submarine was placed in reserve in 1991, and decommissioned in 1996. Scrapping of the boats at Sevmash started in January 2004, funded by the British Government under the Cooperative Threat Reduction program. They had been reduced to a three-compartment unit (of the original ten watertight compartments) by 2006.[8][9]