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DEPARTMENT OF THE NAVY -- NAVAL HISTORY AND HERITAGE COMMAND
805 KIDDER BREESE SE -- WASHINGTON NAVY YARD
WASHINGTON DC 20374-5060

Online Library of Selected Images -- Picture Data

Photo #: S-584-075

"Aero. [Aeroplane] Wrecking Derrick" ... Undated


Preliminary design plan for a coastal aircraft recovery craft, built at Charleston Navy Yard in 1916 as Floating Derrick # 28 and soon reclassified as Seaplane Wrecking Derrick # 1, becoming YSD-1 in 1920. The vessel served at Naval Air Station Pensacola until 1923, recovering over 60 seaplanes during its first year of service alone. YSD-1 operated at Norfolk from 1923, save for a brief deployment to Annapolis in 1932. YSD-1 was transferred to the War Department in 1933.
This plan provides a single 13,000-pound capacity derrick forward, gasoline- fuel electric motor propulsion driving two propellers, and a speed of 6 knots in a craft 60 feet long on the water line, 40 feet in beam, with a normal displacement of 90 tons. The two V-shaped hulls were connected by a thin steel deck covered with 3-inch wood planking.
Note: The original document was ink on linen (black on white).

The original plan is in the 1911-1925 "Spring Styles Book".

U.S. Naval History and Heritage Command Photograph.

Online Image: 269KB; 1600 x 1090 pixels

 

NOTES:

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  • To the best of our knowledge, the picture referenced here is in the Public Domain, and can therefore be freely downloaded and used for any purpose.

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    Image posted 18 July 2007