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NavSource Online:
Section Patrol Craft Photo Archive

Porpoise (SP 4)

Call sign (1919):
Love - Boy - Jig - Sail

Patrol Yacht:

  • Built in 1910 as Casilda by Oscar Anderson, South Norwalk, CT for Stewart H. Elliott of Norwalk
  • Acquired in 1914 by Ogden M. Reid of New York City and renamed Porpoise
  • Acquired by the Navy in 1917
  • Returned to her owner 27 January 1919
  • Fate unknown.


  • Displacement 22 t.
  • Length 48'
  • Beam 11' 9"
  • Draft 5' 2"
  • Propulsion: One 4-cylinder Clifton gasoline engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Porpoise 31k

    Porpoise - Any of several small gregarious toothed whales (genus Phocaena)

    Tommy Trampp
    Photo added 3 November 2020
    Porpoise 83k Photo from the February 1917 edition of Rudder magazine Joe Radigan

    There is no DANFS history available for Porpoise (SP 4)

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    This page created by Joseph M. Radigan and maintained by David Wright
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