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NavSource Online: Service Ship Photo Archive


International Radio Call Sign:
November - Bravo - Delta - Romeo
YP- 676 Class Patrol Craft, Training
  • Built by Marinette Marine, Marinette, WI
  • Contract awarded, 17 August 1984
  • Laid down, 23 January 1986
  • Launched, 25 October 1986
  • Delivered and placed in service at the US Naval Academy, Annapolis, MD, 08 December 1986
  • Used by Naval Academy as floating asset of their Hendrix Oceanography Lab
  • Underwent SLEP (Service Life Extension Program) at Coast Guard Yard, Curtis Bay, MD, August 2019 - May 2020
  • Active at USNA, 2020
    Displacement 176 t. (max.)
    Length 108'
    Beam 24'
    Draft 8'
    Speed 12 kts.
    Armament none
    Complement 2 Officers, 4 Enlisted
    Range 1800 nm
    Propulsion two 12V-71N Detroit diesel engines, 2 propellers, horsepower rating 437 shaft horsepower @ 2,100 RPM

    Click On Image
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    Size Image Description Contributed By
    91k YP-686 on the Severn River at the Naval Academy, date unknown.
    Photo from the USNA's Hendrix Oceanography Lab page.
    Dave Wright
    274k YP-686 returning to the Naval Academy after her SLEP refit, 14 May 2020.
    US Navy photo 200515-N-N2201-001
    Dave Wright

    There is no DANFS history record for YP-686 available at Navsource
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    United State Navy Fact File - Yard Patrol Craft - YP

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    This page is created and maintained by David L. Wright
    All pages copyright NavSource Naval History
    Last Updated 22 October 2020