Built in 1970, by Peterson Builders Sturgeon Bay, Wisconsin (hull #YTB 811) as the YTB 811 (Houma) for the United States Navy.
A Natick class district harbor tug, her keel was laid down on the 1st of December 1970. She was launched on May 8th of 1971 and was delivered to the United States Navy on the 23rd of September 1971 and was allocated to Naval Base Roosevelt Roads, San Juan Puerto Rico.
The date she was taken out of service is unknown. She was struck from the Naval Register on November 9th 1999 and sold by the Defense Re utilization and Marketing Service (DRMS) on the 6th of March 2003, to Marine Tug LLC, Falmouth, Maine for $138,000.
She was later acquired by McAllister Towing and Transportation of New York, New York. Where she was renamed as the Stacy McAllister.
In 2005, she was repowered/reconfigured to a "z-drive" tractor tug. Her original single 10-cylinder Fairbanks Morse Diesel engine, rated at 2,000 horsepower as well as her single propeller were removed. In their place McAllister installed two Caterpillar 3516B diesel engines driving with two Schottel SRP 1012 "z-drives" for a rated 4,000 horsepower producing a bollard pull of 55 tons. Her original wheelhouse was modified as well.
Her towing gear was modified with a JonRie InterTech Series 200 bow winch was installed equipped with 450(ft) of 7(in) Neutron Rope. Her original underwater submarine fendering was kept and refurbished.
The tug's capacities are 20,000 gallons of fuel oil, 710 gallons of lube oil and 1,290 gallons of potable water.
She was outfitted with new fire fighting equipment that included a 6-71 engine driving a Goulds pump rated at 2,000 Gallons Per Minute tied into two fire monitors with a 1,500 gallon foam capacity.