of the sub, Liu Yeyao, and two other Chinese oceanauts made the descent in what was the first three-person, welded titanium capsule to venture to full ocean depth. Deep Sea Warrior bathyscaphe Deep sea warrior or "Shen-Hai Yong-Shi" developed by China Shipbuilding Industry Corporation in 2017 and capable of diving up to a depth of 4,500 meters. Ictineu 3 Ictineu 3 a three-person crewed DSV. The hull is made of inox steel and it has a large semi-spheric acrylic glass viewport. It is designed to reach depths of , thus being the ninth-deepest submersible, and it is capable of diving during 10 hours using li-ion batteries. Matsya 6000 Matsya 6000 DSV an Indian under-development crewed deep-submergence vehicle intended to be utilised for deep sea exploration of rare minerals in the Indian Ocean. It is capable of diving upto a depth of 6,000 m. First uncrewed trial was conducted on 27 October 2021 where the 'personnel sphere' was lowered upto a depth of 600 m, off the coast of Chennai. Other DSV bathyscaphes Bathyscaphe Archimède French-made bathyscaphe, operated around the time of the Trieste. FNRS-4 Deepest explorers DSV Limiting Factor11,000 m Bathyscaphe Trieste11,000 m Deepsea Challenger11,000 m Fendouzhe11,000 m Archimède9,500 m Jiaolong7,000 m DSV Shinkai 65006,500 m Konsul6,500 m DSV Alvin6,500 m DSV Sea Cliff6,000m MIR6,000 m Nautile6,000 m Figures rounded to nearest 500 metres References External links "Deep Submergence Vehicle (S-P)". Naval Vessel Register. "Deep Submergence Rescue Vehicle (S-P)". Naval Vessel Register. https://web.archive.org/web/20041017224027/http://www.chinfo.navy.mil/navpalib/factfile/ships/ship-dsrv.html "Research Vessels and Vehicles". Japan Agency for Marine-Earth Science and Technology. "Robot sub reaches deepest ocean". BBC News, 3 June 2009. Ship types