Class NK (Nippon Kaiji Kyokai) TA22065M K-Steering 600 K-Chief 600 marine automation system AutoChief C20 propulsion control system AutoChief 600 propulsion control system K-Thrust 600 K-Chief 500 marine automation system Control and Power management System Issued by Class NK (Nippon Kaiji Kyokai) Certificate type Type Approval Certificate Certificate no TA22065M Expiration date 31.12.2026 Document file TA22065M.pdf Related file(s)