Built in 1979, by Main Iron Works Incorporated of Houma, Louisiana (hull #340) as the Reliance for Dixie Offshore Transport Incorporated of Houston, Texas.
In 1998, the tug was acquired by the Kirby Corporation of Channelview, Texas. Where she retained her name.
In 2019, she was acquired by the Dann Marine Towing Company of Chesapeake City, Maryland. Where she was renamed as the Ruby Coast.
Powered by two, sixteen cylinder, EMD diesel engines. Turning two, cast steel, fixed pitch propellers. She is a twin screw tug, rated at 5,600 horsepower.
Her electrical service is provided by two 75kW generator sets. The tug's capacities are 149,257 gallons of fuel.