What is the record depth reached by the Japanese submersible Shinkai 6500?

The Japanese submersible Shinkai 6500 holds the record for reaching a depth of 6,527 meters (21,349 feet) in the Mariana Trench. This remarkable feat was achieved during a scientific expedition in 1995, showcasing the submersible's advanced technology and engineering capabilities. Shinkai 6500 remains one of the deepest-diving manned submersibles in the world, contributing significantly to deep-sea research.