Type 815 spy ship

Type 815 spy ship or electronic surveillance ship and its derivative Type 815G are the newest Chinese electronic surveillance ships in service (as of 2014) with the People's Liberation Army Navy (PLAN). A total of two ships have been confirmed, one Type 815, and the other Type 815G.

Type 815

Type 815 was formerly named as Dong-Diao (东调, meaning "East Investigate") (Pennant #232), but subsequently, the name was changed to Polaris after new naming convention adopted by PLAN. After entering service in the latter half of 1999, the ship went through major upgrade several years later, with parabolic antennas replaced by three large radomes. In addition to collecting electronic intelligence, this class is also tasked to perform ballistic missile tracking. There is a hangar for a helicopter. Specification:[1]

  • Length (m): 130
  • Width (m): 16.4
  • Draft (m): 6.5
  • Displacement (t): 6000
  • Speed (kt): 20
  • Crew: 250
  • Propulsion: diesel engine
  • Armament: 1 twin 37 mm, 2 twin 25 mm
 Pennant #   Name   Builder   Commissioned   Status   Fleet 
851 Beijixing (Polaris) Hudong-Zhonghua Shipbuilding late 1999 Active East Sea Fleet

Type 815G

In 2009 an improved version appeared, designated as Type 815G,[2][3] and the most obvious external visual difference between Type 815G and earlier Type 815 is that the former has a different mast somewhat similar to a pagoda shape, and the sheer line is curved at a greater angle.[4]

 Pennant #   Name   Builder   Launched   Commissioned   Status   Fleet 
853 Tianwangxing (Uranus) Hudong,Shanghai 1 December 2009 1 December 2010 Active East Sea Fleet
854 Tianlangxing (Sirius) Hudong,Shanghai 29 March 2014 15 February 2015 Active North Sea Fleet
855 Tianshuxing (Dubhe) Hudong,Shanghai 28 July 2014 1 August 2015 Active South Sea Fleet
852 Haiwangxing (Neptune) Hudong,Shanghai 22 January 2015 26 December 2015 Active South Sea Fleet

Type 815A

In January 2017, an improved Type 815G entered service with Chinese navy. Designated as Type 815A,[5] this further improved Type 815 can be visually distinguished from earlier Type 815G in the radome above the pilothouse: the radome of Type 815A is a cylinder with flat top surface,[6] while the top of cylinder radome of earlier Type 815G has a semi-sphere.[7]

 Pennant #   Name   Builder   Launched   Commissioned   Status   Fleet 
856 Kaiyangxing (Mizar) Hudong-Zhonghua Shipbuilding 8 June 2016 10 January 2017 Active North Sea Fleet
857 Tianquanxing (Megrez) Hudong-Zhonghua Shipbuilding 14 February 2017 Sea trail
858 Hudong-Zhonghua Shipbuilding 8 September 2017 Fitting out
859 Hudong-Zhonghua Shipbuilding 3 February 2018 Fitting out


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