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HUMBOLDT

Built in 1970 by Albina Engine and Machine Works of Portland, Oregon as the Huki (hull #417) for the Hawaiian Tug and Barge Company Incorporated of Honolulu, Hawaii.

In 1977, the company's corporate name was changed to the Dillingham Tug and Barge Corporation of Honolulu, Hawaii.

In 1986, the Dillingham Corporation shed its maritime assets in favor of real estate investment, with Dillingham Tug and Barge and Young Brothers being acquired by Hawaiian Electric Industries Incorporated (HEI) of Honolulu, Hawaii. At this time, Dillingham Tug and Barge's corporate name was reverted back to Hawaiian Tug and Barge.

In 1999, Saltchuk Resources Incorporated of Seattle, Washington, acquired the maritime assets of HEI: the Hawaiian Tug and Barge Company, and the Young Brothers Company.

In 2002, the tug was acquired by the Knutson Towboat Company of Coos Bay, Oregon. She was then stripped to bare hull, rebuilt and renamed as the Humboldt.

In 2003, her existing powerplant was found to be inadequate, and the tug was repowered.

Powered by two, twelve cylinder, Cummins KTA 38 diesel engines turning two, fixed pitch propellers in Kort Nozzles. She is a twin screw tug, rated at 3,000 horsepower.


  • Vessel Name: HUMBOLDT
  • USCG Doc. No.: 524598
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDG9049
  • Hull Material: STEEL
  • Hull Number: 417
  • Ship Builder: ALBINA ENGINE & MACH WORK
  • Year Built: 1970
  • Length: 59.6
  • Hailing Port: COOS BAY, OR
  • Gross Tonnage: 77
  • Net Tonnage: 52
  • Owner:
    KNUTSON TOWBOAT COMPANY
    400 N FRONT DR PO BOX 908
    COOS BAY, OR 97420
  • Previous Vessel Names:
    Huki
  • Previous Vessel Owners:
    Hawaiian Tug and Barge Incorporated, Dillingham Tug and Barge Corporation, Hawaiian Tug and Barge Incorporated