Chinese float-on/float-off ship Donghai Island

The Chinese float-on/float-off ship Donghai Island is the first unit of a class of very little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN).[1] The exact type remains unknown, and only a single unit of this class have been confirmed in active service as of 2020s, with pennant number 868.[1] The float-on/float-off capability of the Donghai class is achieved via its semi-submersible hull design.[1] This ship has received NATO reporting name Modified Hansa Sonderberg class,[2][3][4] because it is derived from the Hans Sonderberg-class anchor handling tug supply vessel designed specifically for heavy-lifting and transporting large and heavy equipment such as oil rigs, and Donghai Island performs similar functions.

Class Pennant # Commissioned Status Fleet
Donghai Island 868 July 10, 2015 Active South Sea Fleet
History
PRC
NameDonghai Island
NamesakeDonghai Island
Completed2015
CommissionedJuly 10, 2015
In serviceJuly 10, 2015
General characteristics
Class and typeModified Hansa Sonderberg-class float-on/float-off semi-submersible ship
Displacement23,000 long tons (23,000 t)
Length32.4 m (106 ft 4 in)
Beam175.5 m (575 ft 9 in)
Electronic warfare
& decoys		None

References
  1. "868 东海岛" [868 Donghai Island] (in Chinese (China)). Archived from the original on 2015-09-24.
  2. "PLANS recognition guide 2018". July 16, 2018.
  3. "PLANS recognition guide 2019". February 19, 2020.
  4. "PLANS recognition guide 2020". February 19, 2020.
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