American self-propelled seaplane wrecking derrick YSD9 in 1945

Dimensions 104.0 x 31.2 feet. Capacity 10 tons. Allocation 14th district. Built by Pearl Harbor, Hawaii, USA in 1930-1933.

Source

Bureau of Ship. Navy Department. Ships’ Data US Naval Vessels. Vol III. Auxiliary, district craft and unclassified vessels, 15 April 1945.