Built in 1974, by McDermott Shipyard Incorporated of Morgan City, Louisiana (hull #197) as the Invader for Crowley Marine Services Incorporated of San Francisco, California.
She was the first Invader class tug constructed by McDermott Shipyards for Crowley Marine Services Incorporated.
In 2012, the tug capsized at Vigor Shipyard of Everett, Washington. When the dry dock that is was "hauled out" in, sank. Resulting in significant flooding and damage to the tug's superstructure. The tug was raised, and "laid up" at Vigor Shipyard in Everett, Washington.
In 2013, she was acquired Amix Marine of New Westminster, British Columbia. Where the tug was "laid up" at Fraser Port in New Westminster, British Columbia.
Powered by two, twenty cylinder, EMD 20-645-EG diesel engines. With Falk reduction gears, at a ratio of 4.345:1. Turning two, five bladed, stainless steel, fixed pitch propellers. For a rated 7,200 horsepower.
Her electrical service is provided by two, 90kW, Caterpillar D 3304 generator sets. The tug's capacities are 155,000 gallons of fuel oil, 3,300 gallons of lube oil, and 15,000 gallons of potable water,
The towing equipment consists of a double drum, Markey TDSDW 36C, towing winch. Outfitted with 3,000(ft) of 2.75(in) towing wire on each drum.