Home Search Links About Us Updates TBI Store Login
SENECA
Pictured as: the Island Viking (Island Tug and Barge) Photo by: Kyle Stubbs

Built in 1970, by the J.M. Martinac Shipbuilding Corporation of Tacoma, Washington (hull #182) as the Seneca for Crowley Marine Services Incorporated of San Francisco, California.

She was the first Seneca class tug constructed for Crowley Marine Services Incorporated.

In 2012, the tug was acquired by the Island Tug and Barge Company of Seattle, Washington. Where the tug was renamed as the Island Viking.

Powered by two, eight cylinder, EMD 8-645-E5 diesel engines. Turning two, cast steel, fixed pitch propellers. She is a twin screw tug, rated at 3,000 horsepower.

Her electrical service is provided by two, 115kW generator sets. The tug's capacities are 51,777 gallons fuel.


  • Vessel Name: SENECA
  • USCG Doc. No.: 526717
  • Vessel Service: TOWING VESSEL
  • IMO Number: 7609843
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WBN8469
  • Hull Material: STEEL
  • Hull Number: 182
  • Ship Builder: MARTINAC SHIPBLDG CORP
  • Year Built: 1970
  • Length: 106.3
  • Hailing Port: SEATTLE, WA.
  • Hull Depth: 10
  • Hull Breadth: 34.3
  • Gross Tonnage: 193
  • Net Tonnage: 81
  • Owner:
    ISLAND TUG & BARGE CO
    3546 WEST MARGINAL WAY
    SEATTLE, WA
  • Previous Vessel Names:
    SENECA, SENECA
  • Previous Vessel Owners:
    CROWLEY MARINE SERVICES INC, CROWLEY MARINE SERVICES INC, ISLAND TUG & BARGE CO, ISLAND TUG & BARGE CO, ISLAND TUG & BARGE CO, ISLAND TUG & BARGE CO, ISLAND TUG & BARGE CO, ISLAND TUG & BARGE CO