Type 909 weapon trials ship

Type 909 weapon trial ship with NATO reporting name Wuhu-B class and its successor Type 909A Dahua class are Chinese weapon trials ships developed for its People's Liberation Army Navy (PLAN). A total of three ships have entered service as of mid-2014.

Type 909

The Type 909 is the second purposely built weapon trial ship in PLAN, and in addition to conducting weapon trials for missiles, guns and rockets, the ship is also tasked to test electronic systems such as radars, communication systems and electronic intelligence and warfare systems. Designed to first supplement and then eventually replace the Yanxi-class weapon trials ship that entered service more than three decades earlier, The Type 909 has received NATO reporting name Wuhu-B class.[1] The design incorporates specially designed accommodations for research crew to carry out their mission. The pennant number of Type 909 went through several changes, originally 909, and this was changed to 970 to avoid confusing with the type number. Subsequently, the pennant number was changed to 891. Originally only with pennant number but without any name, the ship was finally formally named as Bi Sheng on October 10, 2002.

Type 909A

Nearly one and half a decades after the first Type 909 entered service, a successor Type 909A entered PLAN service as Hua Luogeng.[2] Currently, assignments are split between two ships, with Bi Sheng (# 891) tasked to conduct trials for missiles launched from container/launcher, while Hua Luogeng (#892) tasked to test all missiles that are vertically launched from vertical launching systems.[3] However, it must be said that such division of work is only due to administrative purposes, not technical limitations, as both ships are capable of conducting trials for both vertically launched missiles and non vertically launched. In 2012, another Type 909A with pennant number 893 entered PLAN service,[4] and it is rumored its name is Zu Chongzhi by many Chinese internet claims, but this has yet to be confirmed by official or independent sources. The most distinct difference between Type 909A and its predecessor Type 909 becomes visually identifiable since this ship, with new ships has a raised bow breakwater to reduce water over the bow and a never-before-seen 30-foot-tall, 3-foot-diameter satellite communications antenna on the forecastle. The ship has an enclosed foremast instead of the latticework mast structures found on prior vessels.[5] Type 909A has received the NATO reporting name Dahua class.[6]


Type 909 and 909A weapon trial ships are named after Chinese scientists. Specification:[7]

  • Displacement (t): 4630
  • Speed (kt): 18
  • Propulsion: 2 diesel engines @ 14000 hp
 Type   Pennant #   Name   Launched   Commissioned   Status 
909 891 Bi Sheng Dec 1997 Active
909A 892 Hua Luogeng 2012 Active
909A 893 Zhan Tianyou Nov 2011 2012 Active
909A 894 Li Siguang Nov 11, 2014 Active


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