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Section Patrol Craft Photo Archive

HMCS Grizzly (Z 14)

Grizzly call sign:
Charlie - Golf - Juliet - Yankee

ex-USS SP-507

Call sign (1919):
George - Sail - Fox - Quack

ex-USS Machigonne (SP 507)

Machigonne served the Navies of the United States and Canada.

Patrol Yacht:

  • Laid down in 1909 by the Consolidated Shipbuilding Corp., Morris Heights, NY for former Massachusetts Governor (1905 - 1906) William L. Douglas
  • Sold in 1910 to Irving E. Raymond of New York
  • Acquired by the Navy 15 May 1917
  • Commissioned USS Machigonne (SP-507) in July 1917
  • Renamed SP-507 in 1918
  • Sold back to her former owner in June 1919
  • Acquired by the Canadian government and commissioned HMCS Grizzly (P 14), 17 July 1941
  • Reclassified Z-14
  • Decommissioned 17 June 1944
  • Fate unknown.


  • Displacement 195 t.
  • Length 140'
  • Beam 19'
  • Draft 10'
  • Speed 14 kts.
    1941 - 12 kts.
  • Complement 40
  • Armamant: One 6-pounder
  • Propulsion: Diesel, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Yacht Machigonne
    Machigonne 115k At anchor in a harbor, prior to World War I
    Naval Historical Center photo NH 99580
    Robert Hurst
    Machigonne 70k Underway, circa 1909-1917.
    U.S. Navy photo NH 101970
    Naval Historical Center
    Machigonne 131k Photo courtesy of Public Archives of Canada from "The Armed Yachts of Canada", by Fraser McKee Robert Hurst
    HMCS Grizzly (Z 14)
    Machigonne 66k Grizzly at Esquimalt, British Columbia in September 1942. Because her German diesels had been damaged beyond repair during her delivery run, she was employed mainly as a static examination ship for the rest of her RCN service.
    Photo from "The Armed Yachts of Canada", by Fraser McKee
    Robert Hurst

    There is no DANFS History currently available for Machigonne (SP 507)
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