JS Hayashio (SS-585) was the third ship of the Harushio-class submarine of Japan Maritime Self-Defense Force.

Meanwhile, the type, dual vibration-damping support of the anti-vibration support or main engine of the main motor, the auxiliary equipment and pipe systems, static power supply, and rectification of the hole opening on the bottom of the ship.

Through these efforts, it was decided that the masker sound insulation device was unnecessary, and in the latter model of this model, it was so quiet that it would not be detected even if snorkeling was continued until the sonobuoy was visible.

[1] Hayashio was laid down at Kawasaki Heavy Industries Kobe Shipyard on 9 December 1988 as the 1988 plan 2400-ton submarine No.

She was decommissioned on 15 March 2011 and scrapped in Dokai Bay, Kyushu in April 2014.