Built in 1976, by McDermott Shipbuilding Incorporated of New Iberia, Louisiana (hull #107) as the Moana Holo for the Hawaiian Tug and Barge Company of Honolulu, Hawaii, a division of the Dillingham Corporation of Honolulu, Hawaii.
In 1977, the company's corporate name was changed to the Dillingham Tug and Barge Corporation of Honolulu, Hawaii.
In 1986, the Dillingham Corporation shed its maritime assets in favor of real estate investment, with Dillingham Tug and Barge and Young Brothers being acquired by Hawaiian Electric Industries Incorporated (HEI) of Honolulu, Hawaii. At this time, Dillingham Tug and Barge's corporate name was reverted back to Hawaiian Tug and Barge.
In 1988, the tug was transferred from Hawaiian Tug and Barge to Young Brothers
In 1999, Saltchuk Resources Incorporated of Seattle, Washington, acquired the maritime assets of HEI: the Hawaiian Tug and Barge Company, and the Young Brothers Company.
In 2013, the Hawaiian Tug and Barge Company, and the Young Brothers Company. Were absorbed into the Foss Marine Holdings Company of Seattle, Washington. Where the tug retained her name.
In 2021, she was phased out of active service and was "laid up" at Honolulu, Hawaii.
Powered by two, twelve cylinder, EMD-12-645-E6 diesel engines. Turning two, cast steel, fixed pitch propellers. She was twin screw tug, rated at 3,000 horsepower.
Her electrical service was provided by two, 115kW generator sets. The tug's capacities are 118,349 gallons of fuel.
The towing equipment consisted of a Markey Towing winch. Outfitted with 2,200(ft) of 2(in) towing wire.