ASL Tansuo-1 deep-sea submersible mother ship
The 94.45-meter-long Tansuo-1 has a range of 10,000 nautical miles. It is equipped with 10 permanent research labs and two removable labs. The ship serves as the mother ship for a new manned submersible that can reach a depth of 4,500 meters. China's current manned submersible, Jiaolong, reached a depth of 7,062 meters in the Mariana Trench in June 2012.
The mother ship for a new deep-sea submersible was delivered to its owner, the Chinese Academy of Sciences (CAS), on 05 May 2019 in southern Chinese city of Guangzhou. The 94-meter "Tansuo-1" has a full-load displacement of 6,250 tonnes, said Yang Ning, head of the technical division of the CAS Institute for Deep-sea Science and Engineering. Tansuo-1 is equipped with 10 permanent research labs and two removable labs. The ship served as the mother ship for a new submersible currently under development and for future CAS expeditions of sea floor trenches.
China's deep-sea submersible mother ship, Tansuo-1, returned to Sanya in south China's Hainan province on Friday after completing its successful maiden voyage to the Mariana Trench. The mother ship carried 60 researchers and crew as well as a 10,000-meter autonomous remote-controlled submersible, a 9,000-meter ocean-bottom seismometer and other domestically made devices. It left Sanya on June 22 for the Mariana Trench expedition. During the expedition, researchers with the Chinese Academy of Sciences conducted 84 research tasks and collected a large amount of samples and data at different depths. The results will be announced later.
China's science ship Tansuo-1 loaded with the manned submersible Shenhai Yongshi (Deep Sea Warrior) returned to its home harbor in Sanya, South China's Hainan province, on 11 March 2019, after finishing its first expedition in the Indian Ocean. The manned submersible can reach a depth of 4,500 meters. The 121-day expedition trip organized by the Chinese Academy of Sciences began Nov. 10, 2018. Scientists from 10 Chinese and foreign research institutes were invited to join the deep-sea research trip.
The ship traveled 17,000 nautical miles on the expedition during which scientists surveyed five deep-sea hydrothermal areas and collected a trove of samples for ecological environment research. The submersible Shenhai Yongshi conducted 62 dives. Scientists succeeded in retrieving it in a variety of conditions including stormy waves and during the night. The development of the submersible took eight years and involved over 90 Chinese organizations and companies. It conducted deep-sea testing missions in 2017 and 2018.
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