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KAMAEHU
Pictured as: the Centennial (Knutson Towboat) Photo by: Kyle Stubbs

Built in 1967 by the Sermons Boat Yard of Tarpon Springs, Florida as the Southern Venture for George R Walton of Cleveland, Ohio.

The tug was later acquired by Calvin Robinson of Corning, California. Where she was renamed as the Intrepid Venture. In 1988, the tug was arrested while towing a barge loaded with illegal narcotics to San Francisco Bay.

In 1993, the tug was acquired by the Knutson Towboat Company of Coos Bay, Oregon. At this time she was sponsoned, repowered with two Cummins KTA30 diesels and renamed as the Koos Pilot.

In 1997, she was acquired by Sause Brothers Incorporated of Coos Bay, Oregon. Where the tug was renamed as the Kamaehu. In 2004, she was repowered with two Cummins KTA38-M2 diesels.

In 2014, the tug was acquired by the Knutson Towboat Company of Coos Bay, Oregon. Where she was renamed as the Centennial.

In 2019, she was acquired by the Coos Bay Towboat Company of Coos Bay, Oregon. Where she retained her name.

Her powerplant consists of two Cummins KTA38-M2 diesels driving twin Schottel Z-drive units with 78" x 69" props. For a rated 3,000 horsepower.

Electrical service is provided by two 60kW generators. Capacities include 9,000 gallons of fuel, 400 gallons of water and 150 gallons of lube oil.

Towing equipment consists of a Knutson Diesel bow winch.


  • Vessel Name: KAMAEHU
  • USCG Doc. No.: 514415
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WCY3200
  • Hull Material: STEEL
  • Ship Builder: SERMONS BOAT YARD
  • Year Built: 1967
  • Length: 70.1
  • Hailing Port: COOS BAY, OR
  • Hull Depth: 9.3
  • Hull Breadth: 25
  • Gross Tonnage: 99
  • Net Tonnage: 40
  • Owner:
    Coos Bay Towboat Company Inc
    686 N. Front St
    Coos Bay, OR 97420
  • Previous Vessel Names:
    Southern Venture, Intrepid Venture, Koos Pilot, Kamaehu
  • Previous Vessel Owners:
    George R Walton, Calvin Robinson, Knutson Towboat Company, Sause Brothers Incorporated, Knutson Towboat Company