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NavSource Online: Service Ship Photo Archive

Sentinel (YT 813)


Rainier (Z-TECH 4500) Class District Harbor Tug:
  • Built by Dakota Creek Industries, Anacortes, WA (YN 72)
  • Contract awarded, 04 January 2019
  • Laid down, 18 October 2020
  • Launched, 10 December 2021
  • Delivered, 29 March 2022
  • Current Disposition, assigned to Naval Region Northwest, active in Puget Sound area
    Specifications:
    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)
    Accommodations
    Officers 2
    Enlisted 4
    Armament two .50 cal machine guns
    Propulsion
    two Caterpillar CAT 3512E 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
    Click On Image
    For Full Size Image
    Size Image Description Source
    Sentinel (YT 813)
    YT-813
    140881301
    256k Sentinel (YT 813) on her delivery day, 29 March 2022.
    Dakota Creek Industries photo
    Dave Wright
    YT-813
    140881302
    130k Sentinel (YT 813) testing her Stang fire monitors on her delivery day, 29 March 2022.
    Dakota Creek Industries photo via professionalmariner.com
    Dave Wright

    There is no DANFS history for Sentinel (YT 813) available at NavSource
    Additional Resources and Web Sites of Interest
    National Association of Fleet Tug Sailors
    Dakota Creek Industries info page on new tug design

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    This page was created by and is maintained by David L. Wright
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    Last Updated 05 August 2022