Pictured as: the Diane B. (American Petroleum) Photo by: Birk Thomas

Built in 1980, by L and A Iron Works of Bourg, Louisiana (hull #106) as the Irene Frazier for the Frazier Brothers Towing and Tugboat Service of Cut Off, Louisiana.

In 2007, the tug was acquired by the Kirby Corporation of Channelview, Texas. Where she retained her name.

In 2012, she was acquired by American Petroleum and Transport Incorporated of Port Jefferson, New York. Where she was renamed as the Diane B.

Powered by two, GM 12V-71 diesel engines. With Twin Disc reduction gears, at a ratio of 6:1. She is a square bow, twin screw, push boat. Rated at 800 horsepower.