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OVERVIEW: The Type 039C Yuan is a diesel-electric attack submarine (SSK) of the People's Liberation Army Navy (PLAN), representing an evolution of the Type 039 family of submarines. Entering service in 2021, it is believed to incorporate further advancements in acoustic quieting and sensor technology compared to earlier variants.

DETAILS: The Type 039C represents the ongoing efforts by China to modernize its submarine force. The Yuan class, in general, marked a significant step forward from earlier Chinese diesel-electric submarines, incorporating a more streamlined hull design, improved sonar, and air-independent propulsion (AIP) systems on some variants, allowing for extended submerged endurance. The Type 039C likely builds upon these improvements, possibly incorporating further reductions in acoustic signature through advanced hull coatings, internal dampening, or an improved propulsor design. The overall design philosophy behind the Yuan class emphasizes littoral operations and anti-surface warfare within the first island chain, while also improving ASW capabilities against increasingly sophisticated foreign submarine threats.

The Type 039C's primary roles include anti-submarine warfare (ASW), anti-surface warfare (ASuW), and intelligence, surveillance, and reconnaissance (ISR). Its suite of sensors allows it to detect and track both surface and subsurface contacts at considerable ranges. The China Type 921-A 'Golf Ball' sonar provides low-frequency active sonar capabilities for long-range detection, while the China SQG-2B integrated sonar suite enhances close-range detection and classification abilities. The presence of the TSM 2243 sonar, though its exact function is unclear, potentially represents a foreign-sourced or indigenously-developed auxiliary sonar system focusing on specific frequency bands or operational roles. The integrated optical and LLTV periscopes provide visual and low-light surveillance capabilities. Finally, the China H/LQK-359A is likely an electronic support measures (ESM) suite capable of detecting and analyzing radar emissions from surface ships and aircraft, providing situational awareness and targeting data.

The integration of advanced sensor systems enables the Type 039C to effectively perform its intended roles. The combination of active and passive sonar systems, coupled with ESM and optical sensors, gives it a comprehensive picture of the underwater and surface environment. The 533mm torpedo tubes provide a robust anti-ship and anti-submarine capability, allowing it to engage a variety of targets with both torpedoes and potentially anti-ship missiles launched through the tubes. The Signal Ejector could be used for communication or deploying countermeasures. The Type 039C's improved stealth capabilities, combined with its advanced sensors and weaponry, make it a potent threat in regional waters.

SPECIFICATION: Length: 77.6 m || Beam: 8.5 m || Draft: 6.7 m || Disp: 3000 t

SENSORS: China Type 921-A Golf Ball || China SQG-2B [DUUX 5] || China SQC-1 [DSUV 2H + DUUA 2D] || TSM 2243 || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV || Generic Towed Array Sonar || China H/LQK-359A

ARMAMENT: Signal Ejector || 533mm TT
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