Pictured as: the Andrew S. (Bisso Towboat Company) Photo by: Captain Peter

Built in 2019, by Main Iron Works Incorporated of Houma, Louisiana (hull #467) as the Andrew S. for the Bisso Towboat Company Incorporated of Luling, Louisiana.

In 2025, the Bisso Towboat Company Incorporated was acquired by the Moran Towing Corporation of New Canaan, Connecticut. Where the tug retained her name.

Powered by two, Tier IV compliant, Caterpillar 3516E diesel engines. With Rolls-Royce US 255 P30FP z-drives. Turning two, 98.4(in) diameter, by 94.3(in) pitch, four bladed, stainless steel propellers. She is a twin screw tractor tug, rated at 6,008 horsepower.

Her electrical service is provided by two, 99kW John Deere 4045 AFM85 generator sets. The tug's capacities are 30,162 gallons of diesel fuel, 1,442 gallons of lube and hydraulic oil, 3,000 gallons of urea, and 9,538 gallons of potable water.

The towing equipment consists of a JonRie 240 escort winch. Outfitted with 500(ft) of 3(in) synthetic line, mounted on the bow.