Built in 2017, by JT Marine Incorporated of Vancouver, Washington (hull #5) as Hull 005 for Vessel Chartering Incorporated. A subsidy of Bay and Delta Maritime Incorporated of San Francisco, California.
In 2017, the tug was chartered by the Foss Maritime Company of Seattle, Washington. Where she was renamed as the Caden Foss.
The charter concluded in 2021, and she was returned to Bay and Delta Maritime Incorporated of San Francisco, California. Where the tug was renamed as the Delta Deanna.
Designed, and equipped for standby, ship assist, and escort assignments. The tug is also outfitted for rescue towing. The vessel will initially work from the Chevron Long Wharf Terminal in Richmond, California. In Foss service the tug was named for Caden Hansen. A great, great, grandson of company founders Andrew, and Thea Foss.
Powered by two, Tier IV compliant, Caterpillar 3516E diesel engines. With Rolls-Royce US 255 FP z-drives. For a rated 6,772 horsepower.
Her electrical service is provided by one, 150kW generator set, driven by a Caterpillar C7.1 diesel engine. And, one, 65kW, Caterpillar C4.4 diesel engines. Tug tug's capacities are 123,000 gallons of fuel, 6,530 gallons of water with watermakers, and 5,116 gallons of urea.
The towing equipment consists of a Markey DEPCF-52, electric hawser winch, mounted on the bow. Outfitted with 450(ft) of Cortland 3(in), Plasma, 12 by 12, line. With 12 by 12, LoCo pendant on the bow. And, a Rapp, double-drum, electric towing winch, mounted on the stern. Outfitted with 2,500(ft) of 2.5(in) wire.