American self-propelled seaplane wrecking derrick YSD42 in 1944

Dimensions 104.0 x 31.2 feet. Superior Diesel. Horsepower 640shp. Crane capacity 10 tons. Allocation 13th district. Built by Moore Equipment Co. in 1943.

Source

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