Built in 2009, by the J.M. Martinac Shipbuilding Corporation of Tacoma, Washington (hull #253) as the Justice for the Boston Towing and Transportation Company of Boston, Massachusetts (a subsidiary of the Reinauer Transportation Companies of Staten Island, New York.)
Designed by Naval Architect Robert Allan of Vancouver, British Columbia. She is a RAmparts 3000 class tug with a sponson type variation on the original design.
The tug was designed to fulfill the Boston Towing and Transportation Company's contract with Neptune LNG Company. An affiliate of the Suez LNG North America Company. And, was based out of Boston, Massachusetts.
In 2011, the Boston Towing and Transportation Company was reabsorbed by the Reinauer Transportation Companies of Staten Island, New York. Where the tug retained her name.
In 2012, the contract was ended. And, the tug assumed ship assist duties in and around Boston, Massachusetts. As well as, the Cape Cod Canal, and Buzzards Bay in Massachusetts.
Powered by two, Tier II compliant, sixteen cylinder, MTU 16V-4000 diesel engines. Turning two, Rolls Royce US-255, controllable pitch, z-drives. For a rated 5,400 horsepower.
The tug's electrical service is provided by two, 99kW, John Deere generator sets. Her capacities are 44,599 gallons of fuel, 895 gallons of lube oil, 9,800 gallons of water, and 50,908 gallons of ballast.
The z drives on the Justice where the second application of this type for Rolls Royce in the United States. The controllable pitch drives optimize bollard pull, fuel efficiency, and vessel speed. Her FiFi class One fire pump,s are driven off the main engines. This design was intended to conserve weight, and cost. By eliminating the fire pump engines found on other FiFi class One vessels. The fire pump feeds her two, Inmar/FFS/Nyjus, fire monitors. With a 425 (ft) cannon range, rated at 10,500 Gallons Per Minute.
Her towing gear consists of a single drum, Markey VFD, DEPC-52, ship handling winch mounted on the bow. And a JonRie InterTech 512, single drum, towing winch. Outfitted with 2,500(ft) of 2.25(in) towing wire, mounted on her stern.
The tug also features radiantly heated decks, bow bulwark caps. The tug is capable of self loading up to two containers for cargo operations. Using an Effer, hydraulic deck crane. With a Safe Working Load of 10 tons at range of 25(ft).