Please report any broken links or trouble you might come across to the Webmaster Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Yoke - Uncle - Yoke


YP-381 served both the U. S. Navy and Coast Guard

Coastal Minesweeper:

  • Built in 1940 at San Francisco, CA as the fishing boat St. James for James A. Davi of Monterey, CA
  • Acquired by the Navy 10 December 1941 and designated as a Coastal Minesweeper, AMc-143
  • Reclassified as a District Patrol Craft, YP-381 in May 1942 and placed in service in the 12th Naval District (Mare Island, CA)
  • Transferred to the Coast Guard 15 July 1943
  • Returned to Navy custody 25 August 1945
  • Transferred to the War Shipping Administration in December 1945
  • Struck from the Naval Register 20 March 1946
  • Acquired in 1947 by John J. Ruzich of San Pedro, CA and renamed St. James
  • Burned 11 December 1949 about 4 miles southwest of Port Fermin, CA.


  • Displacement 72 t.
  • Length 87' 9"
  • Beam 24' 3"
  • Speed 12 kts.
  • Propulsion: One 550shp diesel engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of YP-381 is available at this time

    There is no DANFS history currently available for YP-381
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Coastal Minesweeper (AMc) Photo Index Back To The Yard and District Craft Photo Index Back to the District Patrol Vessels (YP) Index

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan (of blessed memory) & Michael Mohl
    All Pages 1996 - 2023, NavSource History, All rights reserved.