Built in 1961, by Colberg Boat Works Incorporated of Stockton, California as the American River for Crowley Marine Services Incorporated of San Francisco, California.
In 2004, the tug was acquired by the Foss Maritime Company of Seattle, Washington. Where she retained her name.
In 2012, she was acquired by Lind Marine Incorporated of Petaluma, California. Where the tug was renamed as the Cassie Lind.
In 2016, the tug acquired by Pacific Tugboat Service Incorporated of San Diego, California. Where she was renamed as the Pacific Patriot.
Originally powered by two, Caterpillar 379 diesel engines. In 2017, she was re powered with two, Tier III compliant, Cummins QSK19 diesel engines. With ZF1800 reduction gears, at a ratio of 4.4:1. Turning two, 60(in), four bladed, stainless steel propellers, in Nautican kort nozzles, with a triple vane rudder system, and twin flanking rudders on each nozzle. She is a twin screw tug, rated at 1,500 horsepower.
He electrical service is provided by one 75kW, John Deere generator set. And, one 100kW John Deere generator set.
Her towing equipment consists of two, 46 ton, Wintech push winches.