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

Thetis (SP 391)

Call sign:
George - Sail - Mike - Have

Patrol Yacht:

  • Built in 1901 by George Lawley and Sons, Neponset, MA
  • Acquired by the Navy 23 June 1917
  • Commissioned 9 July 1917
  • Decommissioned and struck from the Navy list 31 March 1919
  • Sold 19 July 1920
  • Fate unknown.


  • Displacement 97.6 t.
  • Length 127'
  • Beam 16' 4"
  • Draft 7' 6"
  • Speed 12 kts.
  • Complement 17
  • Armament: Two 3-pounders and two machine guns
  • Propulsion: Steam, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Steam Yacht Thetis
    Thetis 90k Photographed prior to World War I.
    U.S. Navy photo NH 102260
    Naval Historical Center
    USS Thetis (SP 391)
    Thetis 125k Photographed by one of her Quartermasters, while in port during her World War I era Navy service.
    U.S. Navy photo NH 42432
    Naval Historical Center
    Satilla 88k USS Satilla (SP 687) or Thetis in port, during World war I. If this is Satilla then the photograph was taken circa 1917, before the extension to the deckhouse to occupy more space forward of
    the smokestack.
    Donation of Dr. Mark Kulikowski, 2008.
    Naval Historical Center photo NH 105484
    Robert Hurst

    View the Thetis (SP 391)
    DANFS history entry located on the Naval Historical Center website
    Back To The Main Photo Index Back To the Patrol Craft/Gunboat/Submarine Chaser Ship Type Index Back to the Section Patrol Craft (SP) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan
    © 2006 Joseph M. Radigan © 1996 - 2006 NavSource Naval History. All Rights Reserved.