Built in 1964, by the Dravo Corportation of Pittsburgh, Pennsylvania (hull #4562) as the J.P. McAllister for the McAllister Brothers Towing Company of New York, New York.
In 2018, the tug was "laid up" at McAllister Towing and Transportation's yard in Charleston, South Carolina.
In 2019, she was reefed, as an addition to the Bill Perry Jr. artificial reef 20 nautical miles off of the coast of the coast of South Carolina.
She was powered by a single, EMD 16-645-E5 diesel engine. With a Falk reduction gear, at a ratio of 3.96:1. The tug was single screw, with a kort nozzle, and flanking rudder. For a rated 3,000 horsepower.
Her capacities were 60,684 gallons of fuel oil, 525 gallons of lube oil, and 4,875 gallons of potable water.
The tug's towing gear included an Almon Johnson, single drum, towing winch. Equipped with 2,000(ft) of 2(in) towing wire. She was outfitted with an Aurora OJP Fire Pump, rated at 500 Gallons Per Minute.