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Section Patrol Craft Photo Archive

USC&GS Helianthus
ex-USS Helianthus (SP 585)

Call sign:
Nan - Unit - Boy - Dog

Helianthus served both the U. S. Navy and the Coast and Geodetic Survey


  • Built in 1912 by the Herreshoff Manufacturing Co., Bristol, RI
  • Acquired by the Navy 11 June 1917
  • Commissioned 6 July 1917, Boatswain Thomas H. Rich, USNRF, commanding
  • Transferred 28 March 1919 to the Coast and Geodetic Survey
  • Sold in 1939
  • Fate unknown.


  • Displacement 37 t.
  • Length 64'
  • Beam 13' 5"
  • Draft 3' 4"
  • Speed 10 kts.
  • Complement 13
  • Armament: One 1-pounder and one machine gun
  • Propulsion: One 70hp 6-cylinder Van Blerck gasoline engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Helianthus 79k NOAA History
    Helianthus 249k c. 1925
    Alaskan waters
    Photo ship0954 from NOAA's Fleet Then and Now - Sailing for Science Collection
    Robert Hurst

    View the Helianthus (SP 585)
    DANFS history entry located on the Naval History and Heritage Command website
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