The Shipwreck |    Dive Site Conditions
Historical Background   |    Salvage (if any)    |    Sources


USS YSD-#?

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Vineyard Sound
Lightship


Description: Seaplane wrecking derrick; Steel
 Dimensions:    length - 132.6 ft.     width - 30 ft.     depth - 12.4 ft.
      Tonnage:      gross -          other -
   Propulsion: Diesel
   Machinery:
         Cargo: Salvage gear


The Shipwreck

   Date Sunk: December, 1957
          Cause:
      Location: Martha's Vineyard, north of Nomansland Island.
Coordinates:   Latitude, 41o - 16' - 24"N    Longitude, 70o - 49' - 08"W
          Loran:    
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Dive Site Conditions

     Depth in feet:    maximum - 30;     minimum -
Visibility in feet:      average -

In 1965 Brad Luther reported the vessel lay keel up.
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Historical Background

Constructed:     year -     where -
                       builder -
Construction details:
Crew:     Master:
Owners:United States Navy
Home or Hailing Port:
Former Name(s), date(s):
Official number:       Country: U.S.A.
Other Comments:"Mary Ann" Class Navy wrecking derrick. The YSD designation of this class of floating crane originally applied to a self-propelled seaplane recovery vessel used at Naval air-stations. YSD-11, 20, 22, and 23, constructed at the Charlestown Navy Shipyard were of this class. Later the classification was applied to non-self-propelled seaplane wrecking derricks.
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Salvage

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Sources:
Dictionary of American Naval Fighting Ships, Vol. IV; Navy Dept.
Encyclopedia of American Shipwrecks; Berman, 1972
The Broadside, Boston National Historical Park; spring 1995
The Vanishing Fleet; Luther, 1965

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   These files are under construction. Any information, specifically dive site related, would be greatfully appreciated.  

Send comments to: Chris Hugo

Copyright 2000 by Christopher C. Hugo
Massachusetts Board of Underwater Archaeological Resources
All Rights Reserved