OVERVIEW: The PLA-971 Akula I Improved [Shchuka-B] is a nuclear-powered attack submarine (SSN) operated by the Russian Navy. It represents an evolution of the original Project 971 Akula (Shchuka-B) class, featuring improvements in acoustic signature, sensor capabilities, and weapon systems.

DETAILS:
The Akula I Improved represents a significant step forward in Soviet/Russian submarine design. The Akula class was conceived as a direct counter to the perceived advantages of Western submarines, particularly the quietness of the US Navy's Los Angeles class. The 'Improved' variant, commissioned from 1993 onward, incorporated modifications to further reduce its acoustic signature, making it one of the quietest submarines in the Russian fleet. This was achieved through advancements in hull design, internal machinery isolation, and anechoic coating technology. The design philosophy emphasizes stealth, long-range strike capability, and the ability to operate in both open ocean and under-ice environments. The project sought to create a platform capable of both hunting enemy submarines and projecting power against surface targets.

The primary roles of the Akula I Improved are anti-submarine warfare (ASW) and anti-surface warfare (ASuW). It is capable of independently patrolling large areas of ocean, seeking out and engaging enemy submarines and surface combatants. Its enhanced acoustic signature reduction significantly improves its ability to approach targets undetected. The vessel is also capable of conducting covert intelligence gathering operations. The installation of the Snoop Pair [MRKP-59] radar allows for surface search and navigation, while the Generic Acoustic Intercept provides the capability to passively detect and classify enemy sonar emissions. Its powerful armament also allows it to engage in area denial operations.

The Akula I Improved's sensor suite and weapon systems are optimized for its multi-role mission. The Rim Hat [Kremlin-2] fire control system integrates data from the submarine's various sensors to provide accurate targeting solutions. The Shark Tail [MG-541 Skat-3] and Shark Gill [MGK-540 Skat-3] sonar systems provide comprehensive underwater situational awareness, including long-range detection and classification capabilities. The Mouse Roar [MG-519 Arfa-M] sonar system further enhances its ASW capabilities by providing active sonar capabilities. Its array of 533mm and 650mm torpedo tubes allows for the deployment of a wide range of anti-submarine and anti-surface torpedoes, as well as anti-ship missiles. Furthermore, the inclusion of the SA-N-8 Gremlin [9K34 Strela-3] mast launcher provides a limited self-defense capability against airborne threats. The presence of a Signal Ejector indicates the capability to deploy countermeasures and decoys. The Generic Submarine Periscope, Optical, and Generic Submarine Periscope, LLTV, provide visual situational awareness at periscope depth, with the LLTV (Low Light Television) enhancing performance in low-light conditions. The SOKS (System of Observation of the Condition of the Submarine) monitors internal systems and provides early warning of potential malfunctions.

SPECIFICATION: Length: 110.3 m || Beam: 13.6 m || Draft: 9.7 m || Disp: 8140 t

SENSORS: Rim Hat [Kremlin-2] || Shark Tail [MG-541 Skat-3] || Shark Gill [MGK-540 Skat-3] || Snoop Pair [MRKP-59] || Generic Acoustic Intercept || Mouse Roar [MG-519 Arfa-M] || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV || SOKS

ARMAMENT: MG-114 Berilly [6x TT] || SA-N-8 Gremlin [9K34 Strela-3] Mast Launcher || 533mm TT || 650mm TT || 650mm TT || Signal Ejector