Built in 2012, Conrad Shipyard Incorporated of Morgan City, Louisiana (hull #964) as the Lightning for Harley Marine Services Incorporated of Seattle, Washington.
Named for silent film star George “Pete” Morrison's horse, Lightning. Who starred in multiple silent films alongside Morrison.
In 2019, Harley Marine Services Incorporated became the Centerline Logistics Corporation of Seattle, Washington. Where the tug retained her name.
Powered by two, Tier II compliant, Cummins K38M diesel engines. With Twin Disc MGX5321 reduction gears, at a ratio of 5.96:1. Turning two, 72(in), four bladed, fixed pitch, stainless steel propellers. For a rated 2,000 horsepower.
Her electrical service is provided by two, 85kW generator sets. Driven by two, Cummins 6BTA5.9-DM diesel engines. The tug's capacities are 30,000 gallons of fuel, 6,000 gallons of water, and 200 gallons of lube oil.
The towing gear consists of two, Nabrico 20 HE, hydro electric, winches, mounted on her bow.