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GARY FOSS
Pictured as: the Swimomish (Dunlap Towing Company) Photo by: Kyle Stubbs

Built in 1943, by Reliable Welding Works Incorporated of Olympia, Washington as the ST-166 for the United States Army.

In 1948, the tug was acquired by the Foss Maritime Company of Seattle, Washington. Where she was renamed to Gary Foss.

In 1949, she was acquired by Pacific Towboat and Salvage Incorporated of Long Beach, California. Where she was renamed to Pacific Rocket.

In 1972, the tug was acquired by the Northwest Diesel Repair Company of Seattle, Washington. Where she was renamed to Bronco.

In 1974, she was acquired by Dunlap Towing Company of Everett, Washington. Where she was renamed to Swinomish.

Powered by a single, Caterpillar 398D diesel engine. With Caterpillar reduction gear, turning a single fixed pitch propeller, for a rated 850 horsepower.

Her electrical service is provided by a single, Delco generator set. The tug's capacities are 9,500 gallons of fuel oil.

The tug's towing gear consists of a Rowe towing machine. Outfitted with 1,474(ft) of 1.25(in) towing wire.


  • Vessel Name: GARY FOSS
  • USCG Doc. No.: 256829
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WC5223
  • Hull Material: STEEL
  • Ship Builder: RELIABLE WELDING WORKS
  • Year Built: 1943
  • Length: 68.8
  • Hailing Port: LACONNER, WA.
  • Hull Depth: 8.4
  • Hull Breadth: 20
  • Gross Tonnage: 89
  • Net Tonnage: 61
  • Owner:
    DUNLAP TOWING COMPANY
    2702 FEDERAL AVENUE
    EVERETT, WA 98201
  • Previous Vessel Names:
    ST-166, GARY FOSS, PACIFIC ROCKET, BRONCO
  • Previous Vessel Owners:
    UNITED STATES ARMY, FOSS MARINE HOLDINGS, PACIFIC TOWBOAT & SALVAGE, NORTHWEST DIESEL REPAIR