On March 27th, on its mission from Tateyama carrying 10 Type 2 Ka-Mis and etc., the vessel encountered a storm with wind speeds of 28 m (about 55 knots) on its way to the southern sea. The bow door dropped out in this storm. The photograph was taken when it returned to Yokosuka. As a result of its shape, the SB craft was unable to escape its lack of sea kindliness.