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Section Patrol Craft Photo Archive

Herreshoff No. 309 (SP 1218)


  • Built in 1917 by Herreshoff Manufacturing Company, Bristol, RI
  • Acquired by the Navy 1 August 1917
  • Leased by the Navy 26 October 1917
  • Commissioned 15 November 1917
  • Returned to her owner 31 December 1918
  • Fate unknown.


  • Displacement 25 t.
  • Length 87'
  • Beam 12' 6"
  • Draft 3' 4½"
  • Speed 17 kts.
  • Complement 14
  • Armament: One 3-pounder, and one 1-pounder
  • Propulsion: One Herreshoff oil fired boiler, one 385hp vertical triple expansion steam engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Herreshoff #309 107k Original photo: Underway during trials off Rhode Island, 1917
    U.S. Navy photo NH 68206
    Replacement photo: Photo from Building The Mosquito Fleet: The U.S. Navy's First Torpedo Boats, by Richard V. Simpsom
    Original photo: Naval Historical Center
    Replacement photo: Robert Hurst
    Herreshoff #309 77k Underway, circa 1917-18
    U.S. Navy photo NH 101788
    Naval Historical Center

    View the Sector Patrol Vessel Herreshoff No. 309 (SP 1218)
    DANFS history entry located on the Haze Gray & Underway website
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