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NavSource Online: Patrol Craft/Gunboat/Submarine Chaser Photo Archive

Marnell (PYc 39)

Call sign:
Nan - Xray - William - Sugar

Coastal Patrol Yacht:

  • Built in 1929 by Defoe Shipbuilding Co., Bay City, MI for the Alworth Investment Corp. of Duluth, MN
  • Acquired in 1939 by the Marnell Corp. of Duluth
  • Acquired by the Navy 13 April 1942
  • Commissioned 31 July 1942 at Key West, FL under the command of LT Griswold S. Hayward, Jr., USNR
  • Decommissioned 3 December 1943 at Charleston, SC
  • Recommissioned 22 January 1944 at Charleston
  • Decommissioned 21 December 1945
  • Struck from the Navy Register 21 January 1947
  • Transferred 30 April 1947 to the War Shipping Administration
  • Acquired in 1946 by the Virginia Engineering Co. of Norfolk, VA for use as a yacht
  • Operated in 1947 under the Coast Rican flag
  • Fate unknown.


  • Displacement 180 t.
  • Length 135'
  • Beam 22' 8"
  • Draft 7' 3"
  • Speed 14 kts.
  • Armament: One 3"/50 dual purpose mount
  • Propulsion: Two diesel engines, two shafts.

    Click on thumbnail
    for full size image
    Size Image Description Source
    Marnell 400k
    Marnell 400k Historical Collections of the Great Lakes

    View the Marnell (PYc 39)
    DANFS History entry located on the Naval History and Heritage Command website
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