Built in 2010, by the Fred Wahl Marine Construction Company of Reedsport, Oregon (hull #28) as the Dana Cruz for Cruz Marine Incorporated of Palmer, Alaska.
In 2010, the tug was leased to the Foss Maritime Company of Seattle, Washington. Where the tug retained her name. Where the tug performed work in Australia under contract to MMA Offshore of Australia.
In 2015, she was returned to the United States. And, returned to Cruz Marine Incorporated of Palmer, Alaska. Where the tug retained her name.
Powered by three, Caterpillar C4.4 diesel engines. With Caterpillar 5202 marine reduction gears, at a ratio of 3.42:1. Turning three, Osborne, 50(in), Superston propsat, four bladed, fixed pitch propellers. mounted inside tunnels with skegs for protection against ice and rocks. She is a triple screw tug, rated at 1,000 horsepower.
Her electrical service is provided by two, 99kW Caterpillar C4.4 generator sets. With a third, auxiliary, 30kW, Caterpillar C2.2 generator set. The tug's capacities are 500 gallons of fuel oil, 23,000 gallons of lube oil, 2,000 gallons of potable water, with a 50 gallons per hour water maker. And, 25,000 gallon ballast capacity for fresh water only.
The tug's deck equipment consists of a single drum, Markey TES-22, electric towing winch. Outfitted with 1,250(ft) of 1.375(in) towing wire. With a Markey DESM 18-S electric winch, mounted on the bow. And, a Nabrico, 65 Ton, electric tackle winch, a Markey DESM 18 S electric anchor windlass, and a Palfinger PK12000 MB deck crane.