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NavSource Online:
Submarine Chaser Photo Archive


Call sign (Early 1919):
George - Have - Quack - Nan

Call sign (Late 1919):
Nan - Item - Quack - Nan

Manchonoch call sign (1920):
Mike - Boy - Quack - Watch

SC-1 Class Submarine Chaser:

  • Laid down by Alexander McDonald, Mariners Harbor, Staten Island, NY
  • Commissioned USS SC-434, 11 January 1919
  • Sold 22 April 1920 to Clarence Hungerford Mackay of New York, NY and named Manchonoch
  • Fate unknown.


  • Displacement 77 t.
  • Length 110'
  • Beam 13' 6"
  • Draft 6' 3"
  • Speed 18 kts.
    1920 - Reduced to 14 kts.
  • Complement 17
    1920 - Seven
  • Armament: One 3"/23 gun mount, two .30 cal. machine guns, and one depth charge projector "Y Gun"
  • Propulsion: Three 220shp Standard gasoline engines, three shafts
    1920 - Removed center engine and shaft.

    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of SC-434 is available at this time

    There is no DANFS history available for SC-434
    Additional Resources and Websites of Interest
    Patrol Craft Sailors Association
    Back To The Main Photo Index Back to the Patrol Craft/Gunboat/Submarine Chaser Ship Index Back to the 110' Submarine Chaser (SC) Photo Index

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    This page created and maintained by Joseph M. Radigan
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