Built in 1978, by Sidney Henry Boat Building Incorporated of Morgan City, Louisiana (hull #77-006) as the Lisa Carol for the Anslum's Boat Rental Company of Morgan City, Louisiana.
In 1984, the tug was acquired by C and H Boat Rentals Incorporate of Morgan City, Louisiana. Where she was renamed as the Mr. Pete.
In 1995, she was acquired by Biblia Incorporated of Savannah, Georgia. Where the tug was renamed as the Sara Kaitlin.
In 1997, the tug was acquired by Stagg Marine Incorporated of Morgan City, Louisiana. Where she was renamed as the Mr. Dale.
In 2008, she was chartered by Cajun Coast Marine Incorporated of New Iberia, Louisiana. Where the tug retained her name.
In 2011, the tug was chartered by B and C Marine Incorporated of Creole, Louisiana. Where she was renamed as the Mr. Brock.
In 2017, she was acquired by Ten Mile Exchange Incorporated of Marrero, Louisiana. Where the tug was renamed the tug was the Aunt Di.
Powered by two, GM 12V-71 diesel engines. With Twin Disc reduction gears, at a ratio of 5:1. Turning two, stainless steel, fixed pitch propellers. She is a twin screw towboat, rated at 800 horsepower.