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UNIMAK

Built in 1972, by the Marine Power and Equipment Company of Seattle, Washington as the Pacific Wind (hull #4) for the Cook Inlet Tug and Barge Company of Anchorage, Alaska.

In 2004, she was acquired by the Sea Coast Transportation Company of Seattle, Washington. Where the tug was renamed as the Unimak.

In 2007, the tug was acquired by the Dahl Tug and Barge Company of Seattle, Washington. Where she was renamed as the Double Eagle.

In 2008, she was acquired by Aleut Enterprise of Anchorage, Alaska. Where the tug retained her name.

Powered by two, GM 12V149TA diesel engines. Turning two, fixed pitch 68(in) x 47(in), stainless steel, fixed pitch propellers. She is a twin screw tug, rated at 1,800 horsepower.

Her electrical service is provided by one, 20kW, GM2-71 generator set. And one 30kW Isuzu generator set. The tug's capacities are 16,000 gallons of fuel oil, 1,500 gallons of fresh water and 200 gallons of lube oil.

The towing equipment consists of a single drum, towing winch. Outfitted with 1,500(in) of 1.5(in) towing wire.


  • Vessel Name: UNIMAK
  • USCG Doc. No.: 538858
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted
  • Call Sign: WDE9582
  • Hull Material: STEEL
  • Hull Number: 4
  • Ship Builder: MARINE POWER & EQUIPMENT
  • Year Built: 1972
  • Length: 60.7
  • Hailing Port: ADAK, AK.
  • Hull Depth: 7.2
  • Hull Breadth: 22.0
  • Gross Tonnage: 86
  • Net Tonnage: 58
  • Previous Vessel Names:
    Pacific Wind, Unimak
  • Previous Vessel Owners:
    Cook Inlet Tug and Barge Co., Sea Coast Transportation LLC, D & V Boat Company