Mitsubishi Shipbuilding Acquires Approval in Principle (AiP) from Classification Society ClassNK for Ammonia Fuel Supply System (AFSS)

Tokyo, April 11, 2024 - Mitsubishi Shipbuilding Co, Ltd., a part of Mitsubishi Heavy Industries (MHI) Group, has acquired Approval in Principle (AiP) (Note1) from the Japanese classification society ClassNK for an ammonia fuel supply system (AFSS) for the "X-DF-A," a large, low-speed 2-stroke ammonia-fueled engine under development by WinGD, a Swiss designer and licensor of large marine engines. The AiP presentation ceremony took place today at "Sea Japan 2024" International Maritime Exhibition and Conference at Tokyo Big Sight.