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NavSource Online: Service Ship Photo Archive

Seminole (YT 805)

Valiant (Z-TECH 4500) Class Harbor Tug:
  • Built by J.M. Martinac Shipbuilding Corp., Tacoma, WA (YN 251)
  • Contract awarded, 25 March 2008
  • Laid down, date unknown
  • Launched, 06 November 2010
  • Delivered and placed in service as Seminole (YT 805), 11 April 2011
  • Current Disposition, assigned to Commander, Fleet Activities Yokosuka (CFAY), active at Yokosuka
    Displacement 460 tons (lt) 590 tons (fl)
    Length 82' waterline, 90' overall
    Beam 38' 3"
    Draft 12' 5"
    Depth 16' 5"
    Speed 12.4 kts (trial)
    Officers 2
    Enlisted 4
    Armament two .50 cal machine guns
    two Caterpillar CAT 3512C 1800bhp diesel engines
    two Schottel Model SRP 1012 steering/propulsion Z-Drive units
    two fixed pitch propellers, providing 42 tons (92,500 lb) bollard pull ahead, 45 tons (99,205 lb) astern
    two R.A. Mitchell Co. diesel generator sets with a John Deere 6068SFM75 prime mover, each rated at 130Kw
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    Seminole (YT 805)
    340k Launching of Seminole (YT 805) at Martinac Shipbuilding Corp., Tacoma, WA, 06 November 2010. Photo by Alan Burchett,
    240k Guided-missile destroyer USS Fitzgerald (DDG 62) tows the tugboat Seminole (YT 805), the first of the new Z-drive tugboats put into service at Commander, Fleet Activities Yokosuka, during a towing exercise, 26 May 2011. Fitzgerald towed Seminole 600 feet astern for 30 minutes while executing a 90-degree turn.
    U.S. Navy photo 110526-N-6451M-002 by LT(jg) Bill Morrison
    Dave Wright
    933k Tug Seminole (YT 805) from Commander Fleet Activities Yokosuka pushes the Arleigh Burke-class guided-missile destroyer USS Lassen (DDG 82) from the pier as the ship gets underway, 19 January 2012. Lassen was assigned to Destroyer Squadron 15 (DESRON 15) and forward deployed to Yokosuka, Japan.
    U.S. Navy photo 120119-N-HV737-032 by Mass Communication Specialist 3rd Class Charlotte C. Oliver
    Robert Hurst
    888k Children of sailors assigned to the guided-missile destroyer USS McCampbell (DDG 85) watch the as the ship departs Yokosuka for a patrol of the western Pacific, 17 May 2012.
    U.S. Navy photo 120517-N-IO627-003 by Mass Communication Specialist 3rd Class Andrew Ryan Smith
    Robert Hurst
    470k Seminole (YT-805), assigned to Fleet Activities Yokosuka Port Operations, pulls alongside the Ticonderoga-class guided-missile cruiser USS Cowpens (CG 63) as the ship made preparations for getting underway. Cowpens was part of the George Washington Carrier Strike Group, the US Navy’s only forward deployed carrier strike group based out of Yokosuka, Japan.
    U.S. Navy photo 120822-N-TX154-045 by Mass Communication Specialist 3rd Class Paul Kelly
    Robert Hurst
    976k Seminole (YT 805) assisting USS Preble (DDG 88) as the destroyer gets underway at Yokosuka, 18 June 2013.
    U.S. Navy photo 130618-N-TX154-036 by MC3 Paul Kelly, via Robert Allan website
    Dave Wright
    Blue Ridge
    341k The U.S. 7th Fleet flagship USS Blue Ridge (LCC 19) returns to Commander, Fleet Activities Yokosuka, Japan, being assisted into her berth by Seminole (YT-805) and Puyallup (YT-806), 04 September 2013.
    U.S. Navy photo 130904-N-TE278-126 by Mass Communications Specialist 3rd Class Paolo Bayas
    Lee Wahler
    806k Tug Seminole (YT 805) assists in mooring Virginia-class attack submarine USS Texas (SSN 775) at Yokosuka, Japan, 05 February 2015.
    U.S. Navy photo 160205-N-ED185-093 by Mass Communication Specialist 2nd Class Brian G. Reynolds
    Robert Hurst
    Ronald Reagan
    132k The Valiant class tug Seminole (YT 805) passes the U.S. Navy's only forward-deployed aircraft carrier, USS Ronald Reagan (CVN 76) moored pierside at Fleet Activities (FLEACT) Yokosuka, Japan, 22 February 2016. FLEACT Yokosuka provides, maintains, and operates base facilities and services in support of 7th Fleet's forward-deployed naval forces, 83 tenant commands, and 24,000 military and civilian personnel.
    U.S. Navy photo 160222-N-XN177-142 by Mass Communication Specialist 2nd Class Peter Burghart
    Ron Reeves
    846k The Valiant-class yard tugboat Seminole (YT 805) assists the Royal Canadian Navy Victoria-class submarine HMCS Chicoutimi (SSK-879) as the submarine arrives at Fleet Activities (FLEACT) Yokosuka for a port visit, 18 October 2017. Helicopter carrier JS Izumo (DDH-183) and icebreaker JS Shirase (AGB-5003) are in the background.
    U.S. Navy photo 171018-N-XN177-140 by Mass Communication Specialist 1st Class Peter Burghart
    Dave Wright
    976k Sailors assigned to port operations at U.S. Fleet Activities Yokosuka (CFAY) prepare for the first harbor evolution of the new year on the Valiant class tugboats Seminole (YT 805) (pictured) and Puyallup (YT 806), 07 January 2019.
    U.S. Navy photo 190107-N-GH917-0014 by Garrett Zopfi
    Dave Wright

    There is no DANFS history for Seminole (YT 805) available at NavSource
    Additional Resources and Web Sites of Interest
    National Association of Fleet Tug Sailors
    "New Navy tugs have the finesse, power for a wide range of duties", by Brian Gauvin Professional Mariner, July 2, 2012

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    This page was created by Gary P. Priolo and is maintained by David L. Wright
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    Last Updated 23 October 2022