Akula II Class (Project 971U Class) Russian Nuclear-Powered Attack Submarine
Akula II-Class
Nuclear-Powered Attack Submarine
Other
Basic Information
Name
Akula II Class (Project 971U Class) Russian Nuclear-Powered Attack Submarine
Designation
Akula II-Class
Alternate Designation
Akula II-Class; Project 971U Class
Equipment Type
Nuclear-Powered Attack Submarine
Manufacturer
Sevmashpredpriyatiye
Date of Introduction
1995
Description
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.
Naval & Littoral Specifications
Crew
53
Beam
13.60 m
Draft
9.70 m
Variants
VEPR
Commissioned: 1995
Status: Active, overhaul, and modernization completed in 2020.
Fleet: Northern Fleet
GEPARD
Commissioned: 2001
Status: Active, after overhaul and modernization completed in 2015.
Fleet: Northern Fleet
System
Alternative Designation
Akula II-Class; Project 971U Class
Type
Nuclear-Powered Attacked Submarine
Builder
PANTERA, VOLK, LEOPARD and TIGR: Sevmashpredpriyatiye, Severodvinsk, Russia
Remainder: Zavod imeni Leninskiy Komsomol (Shipyard 199), Komsomolsk-na-Amur, Russia
Crew
53 (31 off. + 22 enl.)
Dimensions
Length
114.3 m
Beam
13.6 m
Draft
9.7 m
Displacement, Surface
9,830 tons
Displacement, Submerged
12,770 tons
Propulsion System
Engine Name
1 x OK-9BM
Engine Type
pressurized-water nuclear reactor
Engine Power
47,600 total shp
Auxiliary Power
2 x 410-shp dc electric low-speed motors
Range
3,000 km
Surface Speed
10 knots
Submerged Speed
35 knots
Endurance
100 days
Operating Depth
480 m
Maximum Depth
600 m
Missile Weapon System
Missile
Name
18 x 9K32 Strela-2M (SA-7b Grail)
Type
Surface-to-Air Missile
Launcher
1 x shoulder-launched SAM system
Length
1.44 m
Diameter
72 mm
Wingspan
0.3 m
Weight
9.8 kg
Guidance System
Proportional navigation logic
Maximum Firing Range
3,700 m
Flight Altitude
50–1,500 m
Torpedo System
Bow Mounted Torpedo Tubes
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].
Basic Load
INA
Mine System
Mines
42 x mines in lieu of missiles and/or torpedoes.
Radar Systems
Surface Search / Navigation Radar
1 x MRK-50 Albatros-series (Snoop Pair) surface search/navigation.
Sonar Systems
Low-Frequency Sonar Suite
1 x MGK-540 Skat-3 (Shark Gill) low-frequency suite.
Flank Array Sonar
1 x passive flank array.
Low-Frequency Active / Passive Sonar
1 x MGK-503 low frequency active/passive system.
High-Frequency Active Mind Avoidance Sonar
1 x MG-519 high-frequency active mine avoidance.
Towed Passive Low-Frequency Hydrographic Array Sonar
1 x large aperture towed passive low-frequency linear hydrographic array.
Protection
Hull Armor
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.
Countermeasures
6 x 533-mm external tubes for MG-104 and MG-114 programmable torpedo decoys (2 per tube).
NBC Water Washdown System
Yes
EW Intercept
1 x Amber Light intercept and 1 x Rim Hat intercept.
Direction-Finder
1 x Park Lamp direction-finder
Details
Country of Origin
Russia
Category
Submarines
Naval > Submarines
Filter Label
A
Classification
Domain
Naval & Littoral
Equipment Status
Active
Dimensions
Length
114.3 m
Width
13.6 m
Height
—
Weight
—
Operators (1)
Russia
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