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NavSource Online: Service Ship Photo Archive

USS YP-420

International Radio Call Sign:
November - Foxtrot - Uniform - November
Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
American Campaign Medal - Asiatic-Pacific Campaign Medal - World War II Victory Medal

District Patrol Craft
  • Laid down, 1936, as a Diesel Beam Trawler for Bay State Fishing Co. at Bath Iron Works, Bath, ME.
  • Launched, 1936
  • Delivered in 1936, to Bay State Fishing Co.
  • Acquired by the US Navy in June 1942
  • Converted for Naval service, between June and July 1942
  • Commissioned USS YP-420, 20 July 1942, ENS. E. J. Massello USNR in command
  • During World War II USS YP-420 was assigned to the Asiatic-Pacific Theater
  • Decommissioned, date unknown
  • Struck from the Naval Register date unknown
  • Final Disposition, fate unknown
    Displacement 369 t.(lt) 560 t.(fl)
    Length 131' 2"
    Beam 25' 1"
    Draft 12' 2"
    Speed unknown
    Officers 2
    Enlisted 20
    one single 5"/38 dual purpose gun mount
    four single 20mm AA gun mounts
    two depth charge tracks
    one McIntosh & Seymour Diesel engine
    single propeller 750shp
    Click On Image
    For Full Size Image
    Size Image Description Source
    YP-420 199k USS YP-420 underway in Boston Harbor, circa 1942. In this photo she has not yet received her armament.
    US Navy photo
    Stan Svec
    YP-420 420k View of USS YP-420 looking aft from the forward mast, probably while fitting out at Boston, circa June-July 1942.
    US Navy photo.
    Don Dewey in honor of his father Donald Lester Dewey YP-420
    YP-420 326k USS YP-420 after fitting out. She now appears to have a single dual purpose 5"/38 bow mounted gun, four single 20mm gun mounts and two depth charge tracks. Don Dewey in honor of his father Donald Lester Dewey YP-420
    YP-420 359k USS YP-420 crew photo believed to be taken shortly after commissioning in July 1942. Don Dewey in honor of his father Donald Lester Dewey YP-420

    USS YP-420 Muster Roll, 20 July 1942, Date of Commissioning
    Contributed by Don Dewey in honor of his father Donald Lester Dewey YP-420
    YP-420 YP-420 YP-420

    There is no DANFS history record available for USS YP-420 at NavSource
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

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    This page is created and maintained by Gary P. Priolo
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    Last Updated 22 June 2012