Built in 1971, by Main Iron Works of Houma, Louisiana (hull# 241) as the R. Paul Guidry for the Guidry Brothers Company of Galliano, Louisiana.
In 1976, the tug was acquired by the Morrison Knudsen Company of Boise, Idaho. Where she was renamed as the Pat Powers.
In 1981, she was acquired by the Allied Transportation Company of Norfolk, Virginia. Where the tug was renamed as the Sea Robin.
In 2012, the Allied Transportation Company was acquired by the Kirby Corporation of Channelview, Texas. Where the tug retained her name.
Powered by two, twelve cylinder, Alco 12-251-C diesel engines. Turning two, cast steel, fixed pitch, propellers. For a rated 3,000 horsepower.
Her electrical service is provided by two 60kW generator sets. The tug's capacities are 56,797 gallons of fuel.