Type 904 general stores issue ship

Type 904 general stores issue ship with NATO reporting name Dayun (大运) class and its successors Type 904A and Type 904B are second generation general stores issue ships currently in service with the People's Liberation Army Navy (PLAN). A total of five units have been built and as of mid 2015, two Type 904 ships, one Type 904A, and two Type 904B.

Not to be confused with Type 904 dive tender.

Type 904

Built by Qiuxin (求新) Shipyard of Jiangnan Shipyard in Shanghai, Type 904 (and its successor Type 904A) are frequently but erroneously referred by many as underway replenishment ships. However, this is incorrect because these ships are designed as general stores issue ships, and they lack the gentries and transfer stations, and thus are not capable of performing any underway replenishment duties. Type 904 and Type 904A are equipped with four davits each housing a small boat, with two on each side, and these boats are the primary means of transfer supplies. Type 904 and Type 904A are intended to supply garrisons on offshore islands without any port facilities. Helicopter can be carried, but it platform only, without any hangars, and helicopter is the secondary mean of transferring supplies. Specification:[1]

  • Full displacement (t): 10975
  • Length (m): 156.2
  • Width (m): 20.6
  • Draft (m): 6.8
  • Propulsion: 2 diesel engines @ 9000 hp
  • Speed (kn): 22
  • Crew: 240
  • Aramament: 4 twin 37 mmi guns and 4 twin 25 mm guns
  • Endurance (nmi): 10000

Type 904A

After two Type 904 were completed, production was transferred to an improved version designated as Type 904A that is more than 50% larger in terms of displacement (up to 15000 tons), but armament was reduced by half.[2] Type 904A has been temporarily loaned to China Fishery Law Enforcement Agency as its largest patrol ship.[3] Specification: Specification (for Type 904):[3]

  • Full displacement (t): 15000
  • Length (m): 171.1
  • Width (m): 24.8
  • Draft (m): 9
  • Propulsion: 2 diesel engines @ 9000 hp
  • Speed (kn): 22
  • Crew: 240
  • Aramament: 4 twin 37 mm guns
  • Endurance (nmi): 10000

Type 904B

Only a single Type 904A was built before production is switched to Type 904B, two of which are currently under construction.[4][5] The biggest difference between Type 904B and its predecessor Type 904A is the addition of hangar onboard Type 904B, where TYpe 904A only had a landing platform.[4][5] Other improvements include the replacement of older twin gun mounts by new H/PJ15 single 30 mm gun mounts and more advanced electronics such as radars.[5]

Ships of Class
Type Pennant # Name Builder Launched Commissioned Status Fleet
904 883 Dongting Lake Jiangnan Shipyard Mar 1992 Active South Sea Fleet
904 884 Jingpo Lake Jiangnan Shipyard Aug 1992 Active South Sea Fleet
904A 888 Fuxian Lake ― 2007 Active South Sea Fleet
904B 961 Junshan Lake CSI 22 March 2015 June 2015 Active South Sea Fleet
904B 962 Luguhu CSI 10 July 2015 26 December 2015 Active South Sea Fleet
904B 965 CSI Fitting Out

References
  1. Type 904
  2. Type 904A
  3. "Type 904A". Retrieved May 19, 2015.
  4. "Type 904B". Retrieved April 9, 2015.
  5. "Type 904B AKS". Retrieved July 7, 2015.
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