Built in 2003, by Main Iron Works Incorporated of Houma, Louisiana (hull #416) as the Ann T. Cheramie for Rene J. Cheramie and Sons Incorporated of Lafayette, Louisiana.
In 2017, the tug was acquired by the Brusco Tug and Barge Company of Longview, Washington. Where she retained her name.
In 2018, she was chartered to Harley Marine Services of Seattle, Washington. Where the tug retained her name.
In 2019, Harley Marine Services Incorporated became the Centerline Logistics Corporation of Seattle, Washington. Where the tug retained her name.
Powered by two, Caterpillar 3516B HD diesel engines. With Reintjes WAF-1172V reduction gears, at a ratio of 7.429:1. Turning two, stainless steel, fixed pitch propellers, mounted in kort nozzles. She is a twin screw tug, rated at 4,756 horsepower
Her electrical service is provided by two, 75kW generator sets. Driven by two, Caterpillar 3306 Diesel engines. The tug's capacities are 110,000 gallons of fuel, 290 gallons of hydraulic oil, 924 gallons of lube oil, 6,500 gallons of potable water, and 10,223 gallons of ballast.
The towing equipment consists of a Markey, TDSD-34, double drum, towing winch. Driven by a dedicated Caterpillar 3304DIT Diesel engine. With a multi-speed Funk transmission, and torque-converter.