Built in 2006, by Thoma-Sea Boat Builders of Lockport, Louisiana (hull #128) as the Choptank for Vane Brothers of Baltimore, Maryland. She was the fifth Patapsco class tug built for Vane Brothers designed by Frank Basile of Entech and Associates of Houma, Louisiana. Named for The Choptank River which is a major tributary of the Chesapeake Bay and the largest river on the Delmarva Peninsula. Running for 71 miles. It rises in Kent County, Delaware, runs through Caroline County, Maryland and forms much of the border between Talbot County, Maryland on the north, and Caroline County and Dorchester County on the east and south. It is located north of the Nanticoke River and its mouth is located south of Eastern Bay. Cambridge, the county seat of Dorchester County, and Denton, the county seat of Caroline County, are located on its south shore. Its watershed area in Maryland is 1,004 square miles, of which 224 square miles is open water. Powered by two Caterpillar 3516 diesel engines with CNF Type 37 propeller nozzles for a rated 4,200 horsepower. The tug’s capacities are approximately 90,000 gallons of fuel oil, and approximately 9,000 gallons of potable water. Her towing gear consists of an INTERcon double-drum towing winch driven by a dedicated John Deere diesel engine.