Built in 1974, by Service Machine and Ship of Amelia, Louisiana (hull #112) as the Miss Billee for the Fonteneau and Smith Boat Company of Morgan City, Louisiana.
In 1978, the Fonteneau and Smith Boat Company was acquired by Newpark Marine Services of The Woodlands, Texas. Where the tug retained her name.
In 1983, she was acquired by the Gulf Fleet Marine Corporation, of Houston, Texas. Where the tug was renamed as the Gulf Sword.
In 1985, Zapata Marine Service, Gulf Fleet Marine Incorporated, and Jackson Marine Services merged to form Zapata Gulf Marine Service Incorporated of Houston, Texas. Where the tug retained her name.
In 1992, Zapata Gulf Marine Incorporated merged with Tidewater Marine Incorporated of New Orleans, Louisiana. Where the tug retained her name.
In 1992, the tug was acquired by the DonJon Marine Company Incorporated of Hillside, New Jersey. Where she was renamed as the Mary Alice.
Powered by two, Caterpillar 3512B-HD diesel engines. With Lufkin RLS 2100 reduction gears, at a ratio of 5.45:1. Turning two, 100(in) by 100 (in), fixed pitch, stainless steel, four bladed propellers. For a rated 3,000 horsepower.
Her electrical service is provided by two, 75kW generator sets. The tug's capacities are 39,000 gallons of fuel oil, 860 gallons of lube oil, 860 of hydraulic oil, 5,500 gallons of potable water, and 9,277 gallons of ballast.
The towing gear consists of a double drum, INTERcon DD 150, side by side, towing winch. Outfitted with 2,500(ft) of 1.75(in) towing wire on the primary drum. And 3,000(ft) of 1.5(in) towing wire on the second drum.
(Captain Eric Takakjian, Bruce Fizell, Kyle Stubbs)