Pictured as: the Sonora (Kirby Corporation) Photo by: Captain Ted

Built in 1980, by the Louis G. Ortis Boat Company of Krotz Springs, Louisiana (hull #98) as the Sally for the Republic Towing Corporation of Houston, Texas.

In 1990, she was acquired by Dixie Marine Incorporated of Houston, Texas. Where the tug was renamed as the Sonora.

In 1999, the tug was acquired by the Kirby Corporation of Channelview, Texas. Where she retained her name.

In 2015, she was acquired by the McKees Rocks Harbor Services Company of McKees Rocks, Pennsylvania. Where the tug was renamed as the Charlotte Klee.

She is a twin screw, towboat, rated at 800 horsepower.