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Section Patrol Craft Photo Archive

Herman S. Caswell (SP 2311)

Patrol Yacht:

  • Built in 1878 at Noank, CT
  • Rebuilt in 1917
  • Acquired by the Navy 14 March 1918
  • Placed in service 8 October 1918
  • Placed out of service 7 March 1919 and returned to her owner
  • Fate unknown.


  • Displacement 220 t.
  • Length 82' 9"
  • Beam 17' 8"
  • Draft 7' 6"
  • Speed 10 kts.
  • Propulsion: One Marine leg boiler, one 198ihp simple steam engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of Herman S. Caswell (SP 2311) is available at this time

    Commanding Officers
    01ENS Charles W. Allison, USNRF8 October 1918 - 1919
    Courtesy Joe Radigan

    Dictionary of American Naval Fighting Ships History: Herman S. Caswell, a passenger yacht, was built in 1878 at Noank, Conn.; acquired by the Navy from New York Sightseeing Yachts under a charter agreement on 8 October 1918; and placed in service, Ens. C. N. Allison, USNRF, in command. Assigned to the 3d Naval District, she performed patrol and harbor operations until 7 March 1919 when she was placed out of service and was returned to her owner.
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