There are 5 images added between 29 March 2007 and 19 March 2017
Project 971A  
Initial Operational Capability (IOC): 1995
Total Production: 3
Also Known As: Akula II, Chakra and Shuka-B
Origin: Russia
Corporations: Amur Shipyard, Malakhit Design Bureau and Sevmash
Parent System: Project 971
Initial Operational Capability (IOC): 1985
Total Production: 14
Family Members: Project 971 and Project 971M
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Description: The Project 971-class nuclear-powered submarines, Akula NATO-codename and Schuka-B Russian designation, have been designed to engage surface ships, submarines, and ground targets using nuclear and conventional weapons. They feature a double-hull design with four 533mm and four 650mm torpedo tubes. They can launch torpedoes, missiles, mines and rockets through the eight torpedo tubes.

The Project 971A, Akula II NATO-codename, features the quietest propulsion system produced for a nuclear-powered submarine in the former Soviet Union/Russia. It is powered by a single OK-650M pressurized water nuclear reactor developing 190 MW of power coupled with a steam turbine of 43,000-hp. The hull is four meters longer than previous Project 971 submarines. Besides improved stealth features, Akula II submarines are equipped with six 533mm and four 650mm torpedo tubes with automated systems requiring a lower crew.

So far, the Russian Navy has commissioned six Project 971A third-generation multi-purpose submarines but the exact number of boats to be commissioned remains uncertain. As of summer 2009, it seems that the Russian Navy will shift the procurement of new multi-purpose nuclear-powered submarines to the fourth generation Project 885 Yasen class. India purchased an Akula II nuclear-powered attack submarine under a secret deal with Russia signed in January 2004. Apparently, the ship named INS Chakra is the K-152 Nerpa expected to be commissioned by the Russian Navy by the end of 2009. The Nerpa/Chakra will be leased to the Indian Navy for 10 years.

Project 971A Specifications

Crew: 50
Number of Weapons: 40
Torpedo Tubes: 10
Dimensions
Beam: 13.6 meter (45 foot)
Draft: 9.68 meter (31.8 foot)
Length: 114 meter (374 foot)
Performance
Max Operating Depth: 600 meter
Power
Power: 190 MW (254,692 shp)
Speed
Top Speed Submerged: 35 knot (18.0 mps)
Top Speed Surfaced: 20 knot
Time
Mission Endurance: 100 day
Weight
Displacement Submerged: 12,770 ton
Displacement Surfaced: 8,500 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Project 971A News

There are 5 news between
4 Apr 2012 and 12 Sep 2017
Tuesday, September 12, 2017India to Lease a Second Russian Akula-Class Nuclear-Powered Attack Submarine
Sunday, March 20, 2016Russian Navy Akula Submarines to Receive Kalibr Cruise Missiles
Friday, December 13, 2013Russian Navy Akula Attack Submarine Fleet to Undergo Overhaul
Wednesday, March 20, 2013Russian Navy to Upgrade its Project 971 Akula Nuclear Attack Submarines Fleet
Wednesday, April 4, 2012Indian Navy Held Commission Ceremony for INS Chakra Akula II Nuclear Attack Submarine

Operators & Related Equipment


OperatorsItems
India1
ex-Russian Navy K-152 Nerpa provided under leasing agreement for 10 years
Russia3
YearHoldings
20162Northern fleet (2)
20142Northern fleet (2)
20132Northern fleet (2)
20093Northern fleet (2) and Pacific fleet (1)
Oct 20082Northern fleet (2)

Grand Total 42
Defensive Weapons
91RE1x28
91RTE2x28
Fizik-1
Igla-1M
RPK-2x28
RU-100x28
Shkval
USET-80
Offensive Weapons
3M14Ex28
3M54Ex28
3M54E1x28
RKV-500x12

Project 971A Ship Listing


SerialNameStatusLaunch DateCommissionDecommission
INS Chakra-4 Apr 2012-
K-152 Nerpa Oct 20084 Apr 2009-
K-157 Vepr-1995-
K-335 Gepard-1995-
Kuguar-1995-
Kaban-1995-
Rys-1995-

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