"Yihang Jin'an 1" vessel
The world's first immersed tube transportation and installation vessel
It is 195 meters long and 75 meters wide, capable of transporting 80,000-tonne immersed tubes over long distances and installing them at millimeter precision at depths of 50 meters. With a total installed power of 22,050 kW and a dynamic positioning system, it enables automatic tracking navigation at low speeds. It played a key role in the Shenzhen-Zhongshan Link project.
