Project 971 Shchuka-B

Project 971

NATO: Akula I

Project 971 (Mod 2)

Type SSN
Soviet designation PLA
NATO reporting name Akula II
Country USSR
Displacement (t) 10,500
Length (m) 113.1
Beam (m) 13.8
Draft (m) 9.9
Height (m) 13.8
Max speed submerged (kn) 33.3
Max speed surfaced (kn) 11.2
Max safe depth (m) 439
Endurance (days) 80
Propeller 1 x 7 bladed propeller
Nuclear reactors 1
Titanium hull No
Navigation system Simphoniya-U (Inertial Navigation System)
Class year 2000

Sensors

Sonar (10)

Name Type Platform Passive range (km) Active range (km)
MG-35 Shtil com — —
MG-512 Vint-M cav sub — —
MG-518 Sever Echo sounder sub — —
MG-519 Mine detection sub — 1.5
MG-553 Zhgut-M ssp — —
MGK-540 Skat-3 Active Hull sub — 5.1
MGK-540 Skat-3 Cylindrical Cylindrical sub 3.4 —
MGK-540 Skat-3 Flank Flank sub 3.8 —
MGK-540 Skat-3 OGS Active Intercept — —
MGK-540 Skat-3 Towed Towed sub 4.7 —

Launchers (4)

Name Tubes Fire control Max launch depth (m)
533mm Torpedo Tube (forward) 4 — 1,000
533mm Torpedo Tube (forward) 6 — 1,000
650mm Torpedo Tube (forward) 4 — 1,000
Asw
Attack
VIPS 2 — 100

Individual hulls (4)

Name Short name Country Start date End date Remark
K-152 Nerpa K-152 USSR 2009-12-28 (Commissioned) 2012-01-23 (Leased to India (INS Chakra))
K-333 Rys K-333 USSR — —
K-335 Gepard K-335 USSR 2001-12-04 (Commissioned) —
K-337 Kuguar K-337 USSR — —