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Alice Yan

China is developing a manned submersible that can take a crew to the bottom of any ocean on earth, according to China Shipbuilding Industry Corporation (CSIC), the maker of the Jiaolong, the country’s first manned deep-sea submersible, Science and Technology Daily ­reported on the weekend.
If successful, the project would be another big step forward in the country’s quest to explore undersea resources and help it catch up with US technology.

The Jiaolong set a national record in June 2012 by reaching a depth of 7,062 metres in the Pacific Ocean’s Mariana Trench.
Rush for resources drives China’s ‘three-deep’ science quest
By being able to dive to such depths, the vessel can conduct research and exploration on 99.8 per cent of the world’s seafloors.
CSIC deputy general manager Shao Kaiwen said the company had a raft of deep-sea equipment projects on its books, including manned submersibles capable reaching all sea floor.
Other projects to be developed this year include a manned submersible that can reach a depth of 4,500 metres. It is in its final assembly and testing stage.

This submersible will have five observatory windows that let scientists observe the surroundings from different angles. Its manned cabin has three seats, like the Jiaolong, with extra space for the other crew.
How it works: Inside the Jiaolong
Meanwhile, a CSIC subsidiary is building a mothership, with a displacement of about 4,000 tonnes, for the Jiaolong. That vessel is expected to enter service in March 2019.
The mainland has made huge progress in deep-sea technology, driven by its hunger for resources.

To secure supplies, the Ministry of Land and Resources said in a strategic plan released in September that it would to boost “deep-underground, deep-sky and deep-sea” capabilities in the next five years.
The plan’s tasks include developing a submersible that technically could survive the staggering pressures found at 11,000 metres – the depth of Challenger Deep at the bottom of the Mariana Trench – by 2020.
China’s deep-sea mission to mine the wealth beneath the ocean floor
The Jiaolong, carrying three crew, carried out its mission on June 19, 2012 and returned with samples of water and sea life.
Besides China, only the United States, France, Russia and Japan have produced manned submersibles capable of reaching depths of 6,000 metres.


China developing manned submersible capable of reaching the bottom of any ocean

A robotic arm from the Jiaolong (sea dragon) submersible places a Chinese national flag on the seabed. Photo: Xinhua

Dr. Qiu Jianwen shares experience of deep-sea expedition of Jiaolong submersible. 18JUL13

(130619) -- ABOARD XIANGYANGHONG 09, June 19, 2013 (Xinhua) -- China's manned deep-sea submersible Jiaolong prepares to dive into the South China Sea, June 19, 2013. The Jiaolong manned deep-sea submersible on Wednesday carried its second scientist Qiu Jianwen, a scholar of ocean bio-diversity and fishing resource protection with Hong Kong Baptist University, as a crew member during a deep-sea dive. Jiaolong left east China's city of Jiangyin on June 10 for its first voyage of experimental application. The 113-day mission will include experiments on Jiaolong's positioning system, as well as deep-sea ecological and geological surveys in the South China Sea, biological surveying and geological sampling in the Pacific Ocean. (Xinhua/Zhang Xudong) (zwx)

(150103) -- ABOARD XIANGYANGHONG 09, Jan. 3, 2015 (Xinhua) -- China's deep sea manned submersible Jiaolong collects samples on a hydrothermal vent in the Indian Ocean, Jan. 2, 2015. Jiaolong carried out the first dive on a mission to study active hydrothermal vent in the southwestern Indian Ocean on Jan. 2. It was the first time for the submersible to take the second batch of pilot trainees in the diving, which was intended to enable the trainees to learn some skills of submersible operation in active hydrothermal vent and collect samples of hydrothermal fluid, sulfide, rocks, sediment and water. (Xinhua/National Deep Sea Center) (hdt)

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Vessel is being built by company that developed the Jiaolong, which took a crew two-thirds the way down the Mariana Trench is 2012


China developing manned submersible capable of reaching the bottom of any ocean

.css-1c6uqr6{color:inherit;font-weight:inherit;font-size:inherit;font-family:inherit;line-height:inherit;overflow-wrap:break-word;}Vessel is being built by company that developed the Jiaolong, which took a crew two-thirds the way down the Mariana Trench is 2012

Vessel is being built by company that developed the Jiaolong, which took a crew two-thirds the way down the Mariana Trench is 2012