OVERVIEW: The PLA-971 Akula I [Shchuka-B] is a nuclear-powered attack submarine (SSN) operated by the Russian Navy. Entered service in 2005, it represents a key component of Russia's undersea warfare capabilities.

DETAILS:
The Project 971 Shchuka-B (NATO designation Akula I) represents a significant advancement in Soviet/Russian submarine design, evolving from earlier designs to incorporate significant noise reduction technologies. The Akula I variant, while still formidable, is considered a stepping stone to the later improved Akula II and Akula III designs. Development focused on addressing the acoustic signature issues that plagued previous generations, with the aim of creating a submarine capable of silently hunting Western submarines. The design incorporates a double-hull configuration for enhanced buoyancy and improved survivability in the event of damage. Special attention was paid to isolating machinery and equipment to minimize noise transmission. While specific construction details remain classified, Western intelligence agencies have long understood the importance placed on acoustic stealth during the Akula program’s development.

The primary role of the Akula I is anti-submarine warfare (ASW), with a secondary capability in anti-surface warfare (ASuW). The vessel is designed to locate and engage enemy submarines, particularly ballistic missile submarines and other high-value targets. Its considerable sensor suite, coupled with its long-range torpedo armament, makes it a potent threat in blue-water environments. The Akula I can also be deployed for intelligence gathering, surveillance, and reconnaissance (ISR) missions in strategically important areas. Its ability to remain submerged for extended periods allows it to operate undetected in contested waters. The vessel is also capable of limited anti-aircraft warfare (AAW) through the use of the SA-N-8 Gremlin mast-mounted launcher.

The Akula I's sensor suite provides comprehensive situational awareness. The Rim Hat [Kremlin-2] fire control radar is used for targeting surface vessels and guiding anti-ship missiles (if equipped, though not explicitly noted in armament). The Shark Tail [MG-541 Skat-3] and Shark Gill [MGK-540 Skat-3] sonar systems provide long-range detection and tracking of underwater contacts. The Snoop Pair [MRKP-58 Radian] radar is used for surface search and navigation. The Generic Acoustic Intercept receiver allows for the detection and identification of enemy sonar transmissions. The Mouse Roar [MG-519 Arfa-M] sonar system is likely used for mine detection and avoidance. The Generic Submarine Periscopes (Optical and LLTV) provide visual and low-light observation capabilities, while the SOKS (System of Observation of the Wake) is a chemical sensor used to detect disturbances in the water, such as those caused by surface ships or submarines. The combination of these sensors allows the Akula I to maintain a high degree of tactical awareness in complex underwater environments. The various 533mm and 650mm torpedo tubes provides the sub a large selection of armament choices, with the 650mm tubes capable of launching long range anti-ship weapons.

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-58 Radian] || Generic Acoustic Intercept || Mouse Roar [MG-519 Arfa-M] || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV || SOKS

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