OVERVIEW: The Type 093 Shang I is a nuclear-powered attack submarine (SSN) of the People's Liberation Army Navy (PLAN). Entered service in 2015, it represents a significant advancement in Chinese submarine technology, incorporating improved acoustic quieting measures and enhanced sensor capabilities compared to earlier Chinese SSNs.

DETAILS: The Type 093 Shang I represents the second generation of nuclear-powered attack submarines developed by China. The design builds upon the earlier Type 093 (Shang) class, addressing concerns about acoustic signature and incorporating lessons learned from operational experience. While specific details of the design and construction process remain closely guarded, open-source intelligence suggests the Shang I incorporates advanced noise reduction techniques, including anechoic coatings and improved propulsor design, making it significantly quieter than its predecessor. The overall design philosophy prioritizes a balance between speed, stealth, and offensive capability, reflecting the evolving role of the PLAN in regional and global maritime security. The Shang I program reflects China's continued investment in its submarine force, aiming to create a credible underwater deterrent and project power in key maritime regions.

The primary roles of the Type 093 Shang I are anti-submarine warfare (ASW), anti-surface warfare (ASuW), and intelligence gathering. It is capable of conducting independent operations and acting as an escort for surface task forces. The submarine's ASW capabilities are enhanced by the TSM 2233 Eledone sonar suite, including the DSUV 2H towed array and DUUA 2D flank array, providing long-range detection and tracking of enemy submarines. Its ASuW capabilities are centered on its torpedo armament, capable of engaging surface combatants at significant ranges. The China Type 921-A 'Golf Ball' radar, likely a navigation and surface search radar, augments its ability to operate independently. It is also speculated that the Type 093I has limited mine laying capabilities via its torpedo tubes.

The sensor suite of the Type 093 Shang I is comprehensive, reflecting China's growing technological sophistication in submarine warfare. The installation of the China SQC-207 integrated sonar suite provides enhanced processing and display capabilities, improving operator effectiveness. The TSM 2255 and TSM 2243 intercept and ranging sonars likely serve to detect and classify enemy sonar emissions. The inclusion of both optical and low-light television (LLTV) periscopes, along with the China H/LQK-359A electronic support measures (ESM) system, offers a range of options for surface surveillance and intelligence gathering. The H/LQK-359A provides early warning of radar emissions from surface ships and aircraft, increasing the submarine's situational awareness and survivability.

SPECIFICATION: Length: 107.0 m || Beam: 11.0 m || Draft: 7.5 m || Disp: 6000 t

SENSORS: TSM 2233 Eledone [DSUV 2H + DUUA 2D] || China Type 921-A Golf Ball || China SQC-207 || TSM 2255 || TSM 2243 || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV || China H/LQK-359A

ARMAMENT: Signal Ejector || 533mm TT