Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online:
Section Patrol Craft Photo Archive

Crawl Keys (ID 3789-A)


  • Built in 1918 by the Great Lakes Engineering Works, Ecorse, MI for the United States Shipping Board (USSB)
  • Great Lakes Engineering Works set a shipbuilding record by building Crawl Keys in 26 working days
  • Assigned registry number ID-3789-A
  • Crawl Keys was never commissioned and remained with the USSB
  • Acquired in 1929 by Joseph O'Boyle
  • Returned to the USSB in 1934
  • Sold in 1937 to Marden of China
  • Sold in 1938 to Kokoku Kisen K. K. of Japan and renamed Keizan Maru
  • Torpeoded and sunk 10 March 1945 in the East China Sea by USS Kete (SS 369).


  • Displacement 2,308 t.
  • Length 253.42'
  • Beam 43.66'
  • Draft 20.33'
  • Propulsion: One reciprocation steam engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Crawl Keys 82k Historical Collection of the Great Lakes photo Aryeh Wetherhorn
    Crawl Keys 108k 15 August 1918
    The date of her delivery to the Shipping Board's Division of Operations
    National Archives photo from
    Robert Hurst

    There is no DANFS history available for Crawl Keys (ID 3789-A)
    Back To The Main Photo Index Back to the Identification Numbered Vessel (ID) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan
    All pages copyright NavSource Naval History