Built in 1966, by Halter Marine Incorporated of Escatawpa, Mississippi (hull #149) as the Jason Smith for the Crescent Towing and Salvage Company of New Orleans, Louisiana.
In 1978, the tug was acquired by the Sun Oil Transportation Company Incorporated of Marcus Hook, Pennsylvania. Where she was renamed as the Marcus Hook Sun.
In 1997, she was acquired by the Vane Brothers Company of Baltimore, Maryland. Where she was renamed as the Charles Burton.
In 2009, the tug was acquired Winslow Marine Incorporated of Southport, Maine. Where she was renamed as the Patricia Winslow.
In 2022, the tug was acquired by Stasinos Marine LLC. of Weymouth, Massachusetts. Where she was renamed as the Brinn Courtney.
Powered by two, twelve cylinder, Caterpillar D398 diesel engines, with Caterpillar 3192 reduction gears at a ratio of 5.11:1. Turning two, cast steel, 100(in) by 60(in), fixed pitch, propellers. She is a twin screw tug, rated at 1,800 horsepower.
Her electrical service is provided by two, 50kW, Delco generator sets, driven by two Detroit Diesel 4-71 diesel engines. The tug's capacities are 46,494 gallons of fuel, 416 gallons of lube oil, 210 gallons of slop oil, 4,590 gallons of potable water, and 6,102 gallons of ballast.
The towing equipment consists to a single drum, Smatco, 44-DTS-75, towing winch, outfitted 1,800(ft) of 1.5(in), stainless steel, towing wire. Driven by single Detroit Diesel 3-71 diesel engine.