American self-propelled seaplane wrecking derrick YSD19 in 1945

Dimensions 104.0 x 31.2 feet. Crane capacity 10 tons. Superior diesel. Allocation district. Built by Navy Yard, Pearl Harbor, Hawaii, USA.

Source

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