Built in 1980, by Main Iron Works Incorporated of Houma, Louisiana (hull #358) as the Pacific Knight for the Pacific Towboat and Salvage Company of Long Beach, California, a subsidiary of the Dillingham Corporation of Honolulu, Hawaii.
In 1986, as part of a restructuring, the Pacific Towboat and Salvage Company, along with all other Dillingham maritime transportation operations, was transferred to the management of the Foss Maritime Company of Seattle, Washington.
In 1992, the tug was transferred to the Foss Maritime Company of Seattle, Washington. Where she retained her name.
Powered by two, Caterpillar D-398 diesel engines. With Caterpillar 7261 reduction gears, at a ratio of 4.61:1. Turning two, four bladed, 76(in) by 76(in), Coolidge, fixed pitch propellers. She is a twin screw tug, rated at 2,210 horsepower.
Her electrical service is provided by two, 50kW generator sets. Driven by two, GM Detroit 4-71 diesel engines. The tug's capacities are 25,459 gallons of fuel, 453 gallons of lube oil, 384 gallons of lube oil, and 3,283 gallons of water.
The towing equipment consists of an INTERcon SD-150, single drum, towing winch. Outfitted with 2.000(ft) of 1.5(in) towing wire. And, a Foss bow winch, outfitted with 95(ft) of 7.5(in) of Polyester 12, braided line.