Type 917 rescue ship (ARS) is a type of
rescue and salvage ship
Rescue and salvage ships (hull classification symbol ARS) are a type of military salvage tug. They are tasked with coming to the aid of stricken vessels. Their general mission capabilities include combat salvage, lifting, towing, retraction of grou ...
developed by China for its
People's Liberation Army Navy (PLAN). A total of two ships have entered service by mid-2014, and more units are planned. Type 917 is the first ship in PLAN to adopt a
trimaran hull, and hence received
NATO reporting name ''Dasan'' class,
or 大三 in Chinese, which is short for Da-xing (大型) San-ti-chuan (三体船), meaning Large Trimaran.
The advantage of trimaran include stability and high speed in rough seas, and large deck area equivalent to much larger ship, thus enabling small ship to carry helicopter that can only be carried by larger ships in traditional
monohull
right
A monohull is a type of boat having only one hull, unlike multihulled boats which can have two or more individual hulls connected to one another.
Fundamental concept
Among the earliest hulls were simple logs, but these were generally unst ...
design. Designed by th
Multihull Ship Technology National Defense Important Academic Majors Laboratory (多体船技术国防重点学科实验室)of
Harbin Engineering University, Type 917 carries a pair of newly designed rescue boat, with one on each side, stored in the
davit position. The ship is equipped with a newly designed H/PJ14 single 30 mm gun controlled by electro-optical sensor.
Type 917 ARS
/ref> Type 917 series in PLAN service are designated by a combination of two Chinese characters followed by three-digit number. The second Chinese character is Jiu (救), meaning rescue in Chinese, because these ships are classified as rescue ship. The first Chinese character denotes which fleet the ship is service with, with East (Dong, 东) for East Sea Fleet
The Eastern Theater Command Navy (), or East Sea Fleet (ESF; ), is one of the three fleets of the People's Liberation Army Navy, operating in the East China Sea under the Eastern Theater Command. It was the first naval force formed by the Peop ...
, North (Bei, 北) for North Sea Fleet, and South (Nan, 南) for South Sea Fleet
The Southern Theater Command Navy (), or the South Sea Fleet (SSF; ) is one of the three fleets of the Chinese People's Liberation Army Navy, operating in the South China Sea under the Southern Theater Command. It is headquartered in Zhanjiang, ...
. However, the pennant numbers may have changed due to the change of Chinese naval ships naming convention. Specification:[
*Length: 76 meter
*Displacement: 550 ton
]
References
{{Ship classes of the Chinese Navy, state=uncollapsed
Auxiliary search and rescue ship classes
Auxiliary ships of the People's Liberation Army Navy