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Type 813 spy ship is the first purpose-built, indigenously designed spy ship entering service with the People's Liberation Army Navy (PLAN).

Type 813 is the result of the urgent need of specialized spy ship for intelligence gathering missions in the mid-1970s, and to speed up the program, it was decided in October 1976 that the newly constructed spy ship would share the same hull of Type 645 oceanographic research ship. Design begun in August 1977 by the 2nd Directorate of the 708th Institute of China State Shipbuilding Corporation, which is also more commonly known as China Shipbuilding and Oceanic Engineering Design Academy (中国船舶及海洋工程设计研究) nowadays. Design work was compeleted in Sep 1980 and construction immediately begun in the same month. There are a total of ten sets of reconnaissance equipment onboard and the ship entered service with South Sea Fleet. The ship is designed to withstand storm with wind scale of 12. Specification:[1]

  • Length (m): 112.22
  • Width (m): 15.2
  • Waterline (m): 102
  • Depth (m): 8.2
  • Draft (m): 5.5
  • Displacement (t): 4590
  • Speed (kt): 19
  • Range (nm): 12000 @ 17 kt
  • Endurance (day): 45
  • Crew: 150
  • Propulsion: two 9ESDZ43/82B medium/low speed diesel engines @ 3308 kW (4500 hp) w/ 200 rpm
 Type   Pennant #   Name   Builder   Laid down   Launched   Commissioned   Status   Fleet 
813 852 Neptune Hudong-Zhonghua Shipbuilding Sep 1980 Sep 1982 Apr 1983 Active South Sea Fleet


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