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NavSource Online: Patrol Craft/Gunboat/Submarine Chaser Photo Archive

Jasper (PYc 13)

Call sign:
Nan - Baker - Roger - Charlie

Coastal Patrol Yacht:

  • The first Jasper was built in 1938 as the yacht Stranger by Lake Union Dry Dock Co., Seattle, WA
  • Purchased by the Navy 1 July 1941
  • Renamed Jasper and placed in service as USS Jasper (PYc 13), 8 July 1941 at San Diego, CA
  • Placed out of service 14 August 1947 at San Diego
  • Transferred in June 1948 to the Maritime Commission for disposal
  • Sold in 1948 to Nicholas A. Kessler of Los Angeles, CA and renamed Stranger
  • Donated 22 April 1955 to the Scripps Institution of Oceanography, San Diego as a research vessel
  • Acquired by the Teledyne Corp.
  • Renamed Explorer in 1976 and operated as a cruise ship
  • Fate unknown.


  • Displacement 230 t.
  • Length 135'
  • Beam 22' 8"
  • Draft 16' 6"
  • Speed 13 kts.
  • Armament: None
  • Propulsion: Two 400shp Washington diesel engines, two shafts.

    Click on thumbnail
    for full size image
    Size Image Description Source
    Motor Yacht Stranger
    Jasper 159k . .
    Jasper 125k
    USS Jasper (PYc 13)
    Jasper 247k c. 1945
    Courtesy of Ted Stone, 1977
    U.S. Navy photo NH 86368
    Naval History and Heritage Command

    View the Jasper (PYc 13)
    DANFS History entry located on the Naval History and Heritage Command website
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    This page created and maintained by Joseph M. Radigan
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