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YSD 74

YSD 74 is the Navy's only remaining seaplane wrecking derrick and is presently in use as a small floating crane at the Naval Inactive Ship Maintenance Facility at Pearl Harbor, Hi.

General Characteristics:Keel laid: May 1, 1943
Launched: June 5, 1943
In Service: July 15, 1944
Builder: Pearl Harbor Naval Shipyard, Pearl Harbor, Hi.
Propulsion: two Diesel engines, 640 shp
Propellers: two
Length: 104 feet (31.7 meters)
Beam: 31.2 feet (9.5 meters)
Draft: 4 feet (1.22 meters)
Displacement: 240 tons light, 270 tons full load
Lifting Capacity: 10 tons
Speed: 6 knots
Crew: 1 officer, 15 enlisted (when it actually served as seaplane wrecking derrick)
Homeport: Pearl Harbor, Hi.

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The photos below were taken by Sebastian Thoma and show YSD 74 at Pearl Harbor, Hi., on March 18, 2022.

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