Built in 1982, by H and H Welders and Fabricators of Bridge City, Texas. A division of Burton Shipyard of Port Arthur, Texas (hull #112) as the Nike for the Sabine Transportation Company of Port Arthur, Texas. A subsidy of the Chromalloy American Corporation of St. Louis, Missouri.
In 1980, the Chromalloy American Corporation was acquired by the Sequa Corporation of New York. Where the tug retained her name.
In 1992, the former assets of the Sabine Transportation Company where acquired by the Kirby Corporation of Channelview, Texas. Where the tug retained her name.
In 1996, she was acquired by Hvide Marine Incorporated of Tampa, Florida. Where the tug retained her name.
In 2000, Hvide Marine Incorporated was acquired by SeaBulk Towing Services Incorporated of Fort Lauderdale, Florida. Where the tug retained her name.
In 2018, the tug was acquired by W3 Marine Incorporated of Norfolk, Virginia. Where she was renamed as the Emmy Lou.
In 2019, she was acquired by Seward Marine Services of Chesapeake, Virginia. Where she was renamed as the Angela Autumn.
Powered by two, EMD 16-645-E2 diesel engines. With Falk reduction gears, at a ratio of 2.5:1. Turning two, four bladed, 86(in) by 56(in), stainless steel, fixed pitch propellers. For a rated 3,900 horsepower.
The tug's electrical service is provided by two, 99kW, John Deere generator sets. The tug's capacities are 40,000 gallons of fuel, 700 gallons of lube oil, 700 gallons of hydraulic oil, and 14,500 gallons of potable water.