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IVER FOSS
Photo by: Kyle Stubbs

Built in 1977, by Main Iron Works of Houma, Louisiana (hull #321) as the Iver Foss for the Foss Maritime Company of Seattle, Washington.

Powered by two, sixteen cylinder, Caterpillar diesel engines. Turning two, cast steel, fixed pitch propellers. She is a twin screw tug, rated at 2,400 horsepower.

Her electrical service is provided by two, 75kW generator sets. The tug's capacities are 71,326 gallons of fuel


  • Vessel Name: IVER FOSS
  • USCG Doc. No.: 584331
  • Vessel Service: TOWING VESSEL
  • IMO Number: 7638478
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WYE6442
  • Hull Material: STEEL
  • Hull Number: 321
  • Ship Builder: MAIN IRON WORKS INC.
  • Year Built: 1977
  • Length: 91.8
  • Hailing Port: SEATTLE, WA.
  • Hull Depth: 11.5
  • Hull Breadth: 32
  • Gross Tonnage: 125
  • Net Tonnage: 85
  • Owner:
    FOSS MARITIME COMPANY
    1151 FAIRVIEW AVENUE NORTH
    SEATTLE, WA 98109
  • Previous Vessel Owners:
    FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY