Built in 1975, by McDermott Shipyard Incorporated of Morgan City, Louisiana (hull #210) as the Heide Moran for the Moran Towing Corporation of New York, New York.
In 2020, the tug was acquired by by the Dann Ocean Towing Company of Tampa, Florida. Where she was renamed as the Helen.
Powered by two, twelve cylinder, EMD 12-645-E5 diesel engines. Turning two, cast steel, fixed pitch, propellers. She is a twin screw tug, rated at 4,300 horsepower.
Her electrical service is provided by two 75kW generator sets. The tug's capacities are 107,518 gallons of fuel.