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MIKIOI (2004)
Pictured as: the Mikioi (Foss Marine) Photo by: Captain Rick Wilson

Built in 2004, by the Foss Maritime Shipyard of Rainier, Oregon (hull #2) as the Mikioi for the Hawaiian Tug and Barge Company of Honolulu, Hawaii. A division of the Young Brothers Company of Honolulu, Hawaii.

A Dolphin class tractor tug designed by Robert Allan Limited of Vancouver, British Columbia for the Hawaiian Tug and Barge Company.

In 2013, the Hawaiian Tug and Barge Company was acquired by Foss Marine Holdings of Seattle, Washington. Where the tug retained her name. The tug operates under the company's subsidy, the Young Brothers Company of Honolulu, Hawaii.

Powered by two, Catepillar 3512B HD diesel engines. With Rolls Royce US205 FP z drives. For a rated 5,080 horsepower.

Her electrical service is provided by two,125kW Marathon generator sets. Driven by two, John Deere 6081 diesel engines. The tug's capacities are 10,000 gallons of fuel oil, 342 gallons of lube oil and 500 gallons of fresh water.

The towing equipment consists of a Markey DEPGF-42, electric, bow winch. Outfitted with 500(ft) of 8.5(in), 12 by 12, plasma line. And, a Markey DEPC-32, electric winch, mounted on her stern. Outfitted with 300(ft) of 6.5(in) AmSteel Blue line.


  • Vessel Name: MIKIOI (2004)
  • USCG Doc. No.: 1158064
  • Vessel Service: TOWING VESSEL
  • IMO Number: 8987723
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDB9257
  • Hull Material: STEEL
  • Hull Number: 2
  • Ship Builder: FOSS MARITIME COMPANY
  • Year Built: 2004
  • Length: 73.4
  • Hailing Port: HONOLULU, HI.
  • Hull Depth: 12.4
  • Hull Breadth: 34
  • Gross Tonnage: 160
  • Net Tonnage: 109
  • Owner:
    FOSS MARITIME COMPANY
    1151 FAIRVIEW AVENUE NORTH
    SEATTLE, WA 98109
  • Previous Vessel Owners:
    MOANA PA'AKAI INC, MOANA PA'AKAI INC, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY, FOSS MARITIME COMPANY