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NavSource Online:
Section Patrol Craft Photo Archive

Charles Mann (SP 522)

Call sign:
Nan - Unit - Boy - Tare


  • Built in 1903 at South Portland, ME
  • Acquired by the Navy 6 June 1917
  • Commissioned 7 June 1917
  • Decommissioned 29 November 1919
  • Sold 27 February 1920
  • Registered in 1927 to the Bay State Dredging and Contracting Co. of Boston, MA as the tug John Cashman
  • Fate unknown.


  • Displacement 79 t.
  • Length 77' 7"
  • Beam 21' 6"
  • Draft 10'
    1923 - 9.5'
  • Speed 9 kts.
  • Complement 13
    1923 - Six
  • Armament: Two 1-pounders
  • Propulsion: One Portland boiler, one 300hp vertical compound steam engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Charles Mann 121k In Boston Harbor, Massachusetts, circa 1917-1919
    Naval Historical Center photo NH 99319
    Robert Hurst
    Charles Mann 59k At the Boston Navy Yard, circa 1917-20, with USS Constitution in the background
    U.S. Navy photo NH 101975
    Naval Historical Center

    View the Charles Mann (SP 522)
    DANFS history entry located on the Naval History and Heritage Command website
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