American self-propelled seaplane wrecking derrick YSD15 in 1945

Dimensions 104.5 x 31.2 feet. Crane capacity 10 tons. Allocation 13th district. Built by Navy Yard, Puget Sound, Washington, USA.

Source

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