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Section Patrol Craft Photo Archive

Audwin (SP 451)

Katherine call sign (1933):
William - Negative - Baker - Negative

Audwin served both the U. S. Navy and the Coast & Geodetic Survey


  • Built in 1911 by the New York Yacht, Launch and Engine Co., Morris Heights, NY
  • Acquired by the Navy 30 June 1917
  • Commissioned 5 November 1917
  • Decommissioned, struck from the Navy list 27 March 1919 and transferred to the Coast and Geodetic Survey the same day
  • Sold in 1927 to P. H. McCue of Seattle, WA as the fishing boat Katherine
  • Fate unknown.


  • Displacement 12.5 t.
    1931 - 28 t.
  • Length 60'
    1931 - 56.2'
  • Beam 12' 6"
    1931 - 12.9'
  • Draft 3' 4"
    1931 - 5.5'
  • Speed 9 kts.
  • Complement: Nine
    1931 - Two
  • Armament: One 1-pounder and one machine gun
  • Propulsion: One 45hp 4-cylinder 20th Century gasoline engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Audwin 109k Photographed prior to World War I
    U.S. Navy photo NH 100649
    Naval Historical Center

    View the Audwin (SP 451)
    DANFS history entry located on the Naval Historical Center web site
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