Built in 1967, by Bludworth Shipyard Incorporated of Corpus Christi, Texas (hull #69) as the W. Douglas Masterson for the Bay Houston Towing Company of Houston, Texas.
In 1997, the tug was acquired by the Suderman and Young Towing Company of Houston, Texas. Where the tug retained her name.
Along with the Suderman and Young Towing Company of Houston, Texas. The Bay Houston Towing Company is part of a combined operating company, the G and H Towing Company of Houston, Texas.
In 2011, the G and H Towing Company became part of a joint venture between the Moran Towing Corporation of New Canaan, Connecticut. Serving the Cameron LNG facility near Lake Charles, Louisiana.
In 2011, the tug was acquired by Heritage Marine Incorporated of Knife River, Minnesota. Where the tug was renamed as the Helen H.
Re powered in 1987, she is a single screw tug rated at 1,700 horsepower.