At the ceremony Shinnihonkai Ferry President Yasuo Iritani christened the new ferry “KEYAKI,” the Japanese word for a species of native Zelkova trees. The ceremonial rope cut was performed by soprano Ayako Tanaka. The ship’s handover is scheduled for December 2025 following completion of outfitting work and sea trials. The KEYAKI is the ninth ferry built by Mitsubishi Shipbuilding for Shinnihonkai Ferry.

The KEYAKI is the first ferry in Japan to adopt the latest energy-saving hull form, including a KATANA BOW and buttock-flow stern hull(Note1) with ducktail(Note2). Propulsion resistance is suppressed by an energy-saving roll-damping system combining an anti-rolling tank(Note3) and fin stabilizers(Note4). Together these innovations enable a 5% savings in energy compared to earlier vessels.

Japan is currently undergoing a modal shift to sea transport in an effort to mitigate environmental impact by reducing CO₂emissions and to compensate for truck driver shortages arising from workstyle reforms. This shift has brought utilization of ferry transport into sharp relief. Going forward, Mitsubishi Shipbuilding will continue to contribute to active use of sea transport and environmental protection, resolving diverse issues together with its business partners through construction of ferries that provide stable sea transport together with outstanding energy and environmental performance.

• 1A hull design that reduces water resistance by optimizing the shape of the stern.
• 2A hull form with the stern protruding like a duck’s tail.
• 3An anti-rolling tank contains water that shifts laterally within a ship’s beam. When a vessel rolls, the tank water moves in the direction opposite to the rolling, easing the rolling effect.
• 4Fin stabilizers are another device that reduces ship rolling. Attached to both sides of the hull, these movable fins generate lifting power in the water in the direction opposite to the rolling.

■ Main Specifications of the KEYAKI