Built in 2005, by the Foss Maritime Shipyard of Rainier, Oregon (hull #3) as the Morgan Foss for the Foss Maritime Company of Seattle, Washington.
She was the first Dolphin class tractor tug designed by Robert Allan Limited of Vancouver, British Columbia. For the Foss Maritime Company of Seattle, Washington.
In 2009, the tug was chartered by the Hawaiian Tug and Barge Company of Honolulu, Hawaii. Where she was renamed as the Pi'Ilani.
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.
Powered by two, Caterpillar 3512B HD diesel engines. With Rolls Royce US205 FP z drives. For a rated 5,080 horsepower.
Her electrical service is provided by two,125kW Marathon generator sets. Driven by two, John Deere 6081 diesel engines. The tug's capacities are 10,000 gallons of fuel oil, 342 gallons of lube oil and 500 gallons of fresh water.
The towing equipment consists of a Markey DEPGF-42, electric, bow winch. Outfitted with 500(ft) of 8.5(in), 12 by 12, plasma line. And, a Markey DEPC-32, electric winch, mounted on her stern. Outfitted with 300(ft) of 6.5(in) AmSteel Blue line.
The tug's capacities are 10,000 gallons of fuel oil, 342 gallons of lube oil and 500 gallons of fresh water. Her towing gear consists of a Markey DEPGF-42 hawser winch mounted on her bow and a Markey DEPC-32 stern barge handling winch.