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NavSource Online: Service Ship Photo Archive


YR-44 Class Floating Workshop:
  • Laid down, 12 August 1943, at Mare Island Navy Yard, Vallejo, CA.
  • Launched, 17 August 1943
  • Delivered and placed in service, as non-self propelled Floating Workshop YR-49, 15 July 1943, location unknown, allocated to the fleet
  • Redesignated Radiological Repair Barge YRR-1, date unknown assigned to Naval Shipyard Mare Island, CA.
  • Struck from the Naval Register, 19 September 1994
  • Final Disposition, to be disposed of, type of disposal not known, Maintenance Category X at Mare Island
    Displacement 530 t.(lt) 760 t.(fl)
    Length 150'
    Beam 36'
    Draft 6'
    Officers 1
    Enlisted 40
    Machinery unknown

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    YR-49 79k Forward plan view of YR-49 at Mare Island, 5 July 1944. Note US Army Corps of Engineering tug and dredge in the background deepening the Mare Island (Napa River) channel.
    Mare Island Navy Yard photo # 4209-44.

    Darryl Baker
    YR-49 129k Aft plan view of YR-49 at Mare Island, 6 July 1944.
    Mare Island Navy Yard photo # 4320-44.

    Darryl Baker
    YR-49 129k YR-49 at anchor, date and location unknown
    Scott Odell
    YR-49 59k YRR-1 moored pierside in November 1962 at Naval Shipyard Mare Island while refueling USS Swordfish (SSN-579).
    US Navy Photo from the 1 December 1962 issue of the Mare Island Naval Shipyard newspaper the "Grapevine."

    Darryl Baker

    There is no DANFS history available for YR-49 at Navsource
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    This page is created and maintained by Gary P. Priolo
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    Last Updated 21 January 2011