Type 631 replenishment tanker

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History
PRC
General characteristics
Displacement: 2,300 long tons (2,300 t)
Length: 60 m (196 ft 10 in)
Beam: 10 m (32 ft 10 in)
Draught: 3.3 m (10 ft 10 in)
Propulsion:
  • 2 × marine diesel engines, 7,200 hp (5,369 kW)
  • 2 shafts
Speed: 10 knots (19 km/h; 12 mph)
Complement: 30

Type 631 tanker is a type of naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN).[1] Originally designed as a type that is capable of transport both water and oil, but only the oiler version entered service with PLAN.[1]

Type 631 tankers in PLAN service are designated by a combination of two Chinese characters followed by three-digit number. The second Chinese character is You (油), meaning oil in Chinese, because these ships are classified as oilers. The first Chinese character denotes which fleet the ship is service with, with East (Dong, 东) for East Sea Fleet, North (Bei, 北) for North Sea Fleet, and South (Nan, 南) for South Sea Fleet. However, the pennant numbers may have changed due to the change of Chinese naval ships naming convention. Type 631 can be easily distinguished from other transport oilers by its transfer stations amid ship that enables it to carry out underway replenishment missions.[1] Another visual cue of this class is that from the bow to the midsection of the ship, there are three levels of freeboard, while all other Chinese tanker has a smooth curvy transition.[1]

 Type   Pennant #   Status   Fleet 
631 Bei -You 565 Active North Sea Fleet
631 Dong -You 631 Active East Sea Fleet
631 Dong-You 641 Active East Sea Fleet
631 Nan-You 957 Active South Sea Fleet
631 Nan-You 958 Active South Sea Fleet
631 Nan-You 959 Active South Sea Fleet
631 Nan-You 973 Active South Sea Fleet

References[edit]

  1. ^ a b c d "Type 631 AOR". Retrieved 3 August 2015.