Type 645 oceanographic research ship

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Type 645 oceanographic research ship is an oceanographic ship developed by China for the People's Liberation Army Navy (PLAN) and other Chinese civilian establishments. Type 645 was an experimental program of the Fourth five-year plan of China and designed by the 2nd Directorate of 708th Institute of China State Shipbuilding Corporation, which is also more commonly known as China Shipbuilding and Oceanic Engineering Design Academy (中国船舶及海洋工程设计研究) Archived 2019-07-06 at the Wayback Machine nowadays. Construction begun in October 1977 and the ship was launched in October 1978, entering service with PLAN in December 1978. There are a total of twelve laboratories on board totaling 257 square meters. Deployment proved that the design was successful, and three more units were built for civilian use, named as Xiangyanghong (向阳红, meaning facing the Sun in red in Chinese) 9, Xiangyanghong 14 and Xiangyanghong 16 respectively. However, on May 2, 1993, Xiangyanghong 16 was rammed and sunk by a Cypriot LNG carrier more than nine time of its size (38000 ton) in the East China Sea near Jeju Island, with the loss of three crew members. The sister ships in civilian service are often tasked with military and paramilitary missions and thus frequently come under PLAN and Chinese Coast Guard control.

In addition to the original oceanographic research ship, the hull of Type 645 is used for both Type 812 and Type 813 spy ships, but the former was a failure due to excessive vibration preventing onboard intelligence gathering gears from working properly, and thus converted back to its original oceanographic research role. Type 813 was much more successful based on the experienced learned from the unsuccessful Type 812. The name of the unit in PLAN service is Nan-Diao (南调) 350, meaning South Investigate 350. In 2006, the ship went through an 11-month-long refit to be converted by Shanghai Lifeng Shipyard (上海立丰船厂) of China Shipping Group at Shanghai as the mother ship of Jiaolong (submersible). After conversion, some oceanographic research capability is retained after the conversion in that three laboratories were retained on board. The homeport of Xiangyanghong 9 is in Qingdao. [1] In 2019, Xiangyanghong 14 completed similar upgrade in Guangzhou Shipyard. [2] Specification: [3]

Type NATO designation Pennant No. Name
(English)		Name
(Han 中文)		Builder Commissioned DisplacementFleetStatus
Type 645 oceanographic research ship (AGOR) ?Nan-Diao 350South Investigation 350南调 350 Hudong-Zhonghua Shipbuilding December 19784435 t South Sea FleetActive
Xiang-Yang-Hong 9Facing the Red Sun 9向阳红 9 Hudong-Zhonghua Shipbuilding June 19814435 t North Sea FleetActive
Xiang-Yang-Hong 14Facing the Red Sun 14向阳红 14 Hudong-Zhonghua Shipbuilding July 19814400 t North Sea FleetActive

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References

  1. ↑ Xiangyanghong 9
  2. ↑ "Xiangyanghong 14 completed upgrade in 2019" (in Simplified Chinese). February 2, 2019.
  3. ↑ Type 645
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