Built in 2008, by the Eastern Shipbuilding Group of Panama City, Florida (hull #938) as the Rosemary McAllister for McAllister Towing and Transportation of New York, New York.
Named for Rosemary McAllister. Mother of McAllister CEO, Buckley McAllister and CFO Eric McAllister. And wife of fourth generation McAllister Towing President, Brian A. McAllister.
She was the sixth tug designed by Jensen Maritime Consultants of Seattle, Washington for McAllister Towing and Transportation. And, the sixth tractor tug built by Eastern Marine Shipbuilding for McAllister Towing. The Rosemary McAllister was also, the tenth tractor tug to enter service for McAllister Towing and Transportation.
Powered by two Tier II compliant EMD 12-710-G7B diesel engines. Turning a pair of Schottel SRP 1515 "z-drives." For a rated 6,000 horsepower.
Her electrical service is provided by two 99 kW Marathon generator sets. The tug's capacities are 30,000 gallons of fuel oil, 500 gallons of lube oil and 6,150 gallons of potable water. With a capacity for 3,000 gallons of AFFF Foam for firefighting purposes.
The tug is ABS Classed +A-1 Towing, +A.M.S. and rated as a class 1 (FiFi1), escort vessel. Her firefighting equipment is driven by two Tier I complaint Caterpillar 3412C diesel engines driving Nijhuis HGT1 fire pumps capable of producing 11,600 Gallons Per Minute (GPM) feeding two FFS 1200 LB remote controlled monitors with foam injection capability. As well as a 1,100 GPM Deluge system.
The towing gear consists of a Jon Rie 250 series escort winch mounted on her bow. Outfitted with 450(ft) of 9(in) Quantam 8 Synthetic Rope.
In 2010, the tug was chartered to the Bay Houston Towing Company of Houston, Texas. Where she was renamed as the Rosemary. Serving the ports of Houston, Galveston, Freeport, and Corpus Christi, Texas.