Akula II-Class (Project 971U Class) Russian Nuclear-Powered Attack Submarine

tiers

false

true

false

categories

"WEG"

"Naval Watercraft"

"Submarines"

"Nuclear-Powered Attack Submarines"

"Russia (RUS)"

"PRO_Russian Federation"

"Sea"

"Tier2"

notes

"The AKULA-II class is a third-generation attack submarine whose design includes advanced quieting techniques for significantly reduced noise signature. These noise-reduction features reportedly reduce the sound levels to those of (or lower than) U.S. SEAWOLF and Improved LOS ANGELES classes."

dateOfIntroduction

1995

countryOfOrigin

"Russia (RUS)"

proliferation

"Russian Federation"

selectedregions

"All Regions"

checkedregions

Empty array

checkedcountries

"Russian Federation"

dis

name	"SSN AKULA II PROJECT 971U CLASS"
string	"01.04.222.003.009.000.000"

images

"Akula_II_Class_SSN_(C).jpg"

"Akula_II_Class_SSN_(B).jpg"

"Akula_II_Class_SSN_(A).png"

sections

name

"System"

properties

name	"Alternative Designation"
value	"Akula II-Class; Project 971U Class"

name	"Type"
value	"Nuclear-Powered Attacked Submarine"

name	"Builder"
value	"PANTERA, VOLK, LEOPARD and TIGR: Sevmashpredpriyatiye, Severodvinsk, Russia Remainder: Zavod imeni Leninskiy Komsomol (Shipyard 199), Komsomolsk-na-Amur, Russia"

name	"Crew"
value	"53 (31 off. + 22 enl.)"

name

"Dimensions"

properties

name	"Length"
value	"114.3 m"

name	"Beam"
value	"13.6 m"

name	"Draft"
value	"9.7 m"

name	"Displacement, Surface"
value	"9,830 tons"

name	"Displacement, Submerged"
value	"12,770 tons"

name

"Propulsion System"

properties

name	"Engine Name"
value	"1 x OK-9BM"

name	"Engine Type"
value	"pressurized-water nuclear reactor"

name	"Engine Power"
value	"47,600 total shp"

name	"Auxiliary Power"
value	"2 x 410-shp dc electric low-speed motors"

name	"Range"
value	"3,000 km"

name	"Surface Speed"
value	"10 knots"

name	"Submerged Speed"
value	"35 knots"

name	"Endurance"
value	"100 days"

name	"Operating Depth"
value	"480 m"

name	"Maximum Depth"
value	"600 m"

name

"Missile Weapon System"

sections

name

"Missile"

properties

name	"Name"
value	"18 x 9K32 Strela-2M (SA-7b Grail)"

name	"Type"
value	"Surface-to-Air Missile"

name	"Launcher"
value	"1 x shoulder-launched SAM system"

name	"Length"
value	"1.44 m"

name	"Diameter"
value	"72 mm"

name	"Wingspan"
value	"0.3 m"

name	"Weight"
value	"9.8 kg"

name	"Guidance System"
value	"Proportional navigation logic"

name	"Maximum Firing Range"
value	"3,700 m"

name	"Flight Altitude"
value	"50–1,500 m"

name

"Torpedo System"

properties

name	"Bow Mounted Torpedo Tubes"
value	"4 x bow 650-mm tubes [unknown no. Type 86R and Type 88R/SS-N-16 Stallion ASW missiles and/or Type 65-76 torpedoes carried] and 4 x bow 533-mm tubes [unknown no. Type 83RN and Type 84RN/SS-N-15 Starfish ASW missiles and RPK-55 Granat (SS-N-21 Sampson) missiles and/or USET-80 torpedoes carried]."

name	"Basic Load"
value	"INA"

name

"Mine System"

properties

name	"Mines"
value	"42 x mines in lieu of missiles and/or torpedoes."

name

"Radar Systems"

properties

name	"Surface Search / Navigation Radar"
value	"1 x MRK-50 Albatros-series (Snoop Pair) surface search/navigation."

name

"Sonar Systems"

properties

name	"Low-Frequency Sonar Suite"
value	"1 x MGK-540 Skat-3 (Shark Gill) low-frequency suite."

name	"Flank Array Sonar"
value	"1 x passive flank array."

name	"Low-Frequency Active / Passive Sonar"
value	"1 x MGK-503 low frequency active/passive system."

name	"High-Frequency Active Mind Avoidance Sonar"
value	"1 x MG-519 high-frequency active mine avoidance."

name	"Towed Passive Low-Frequency Hydrographic Array Sonar"
value	"1 x large aperture towed passive low-frequency linear hydrographic array."

name

"Protection"

properties

name	"Hull Armor"
value	"This class differs in appearance from the SIERRA-I and -II classes in having a longer, much more streamlined sail. There is a steel pressure hull rather than the titanium on the SIERRA-class boats. A detachable crew-escape compartment is located within the sail."

name	"Countermeasures"
value	"6 x 533-mm external tubes for MG-104 and MG-114 programmable torpedo decoys (2 per tube)."

name	"NBC Water Washdown System"
value	"Yes"

name	"EW Intercept"
value	"1 x Amber Light intercept and 1 x Rim Hat intercept."

name	"Direction-Finder"
value	"1 x Park Lamp direction-finder"

variants

name	"VEPR"
notes	"Commissioned: 1995 Status: Active, overhaul, and modernization completed in 2020. Fleet: Northern Fleet"

name	"GEPARD"
notes	"Commissioned: 2001 Status: Active, after overhaul and modernization completed in 2015. Fleet: Northern Fleet"

type

"WEG"

version

1