Built in 1996, by Leevac Shipyard Incorporated of Jennings, Louisiana (hull #318) as the Kinsman Venture for the Bay Transportation Corporation of Tampa, Florida.
In 1998, the Bay Transportation Corporation was acquired by Hvide Marine Incorporated of Fort Lauderdale, Florida.
In 2000, Hvide Marine Incorporated as acquired by Seabulk Towing Services Incorporated of Fort Lauderdale, Florida. Where the tug retained her name.
In 2003, the tug was leased to Crowley Marine Services Incorporated of San Francisco, California. Where she was renamed as the Reliant.
In 2005, she was acquired by Harley Marine Services Incorporated of Seattle, Washington. Where the tug was renamed as the Millennium Maverick.
In 2019, Harley Marine Services Incorporated became the Centerline Logistics Corporation of Seattle, Washington. Where the tug retained her name.
In 2021, Centerline Logistics’ harbor ship assist operations in California and the Pacific Northwest was acquired by the Saltchuk Marine Group of Seattle, Washington. Where the tug retained her name.
Powered by two, EMD16-645E2 diesel engines. With Aquamaster 2001 z drives, at a 3.7:1 reduction. For a rated 4,000 horsepower.
Her electrical service is provided by two, 125kW generator sets. The tug's capacities are 40,500 gallons of fuel, 10,000 gallons of water, and 1,750 gallons of lube oil.
The towing gear consists of a NETEC X-243524, hydraulic winch, mounted on her bow. And, a 60 ton electric barge winch, mounted on her stern.