Built in 1980, by Louis G. Ortis Boat Company Incorporated of Krotz Springs, Louisiana (hull #89) as the Papa Tom for Mire Marine Services Incorporated of Franklin, Louisiana.
In 1986, she was acquired by the Inland Marine Company of New Iberia, Louisiana. Where the tug was renamed as the Miss Bert.
In 2004, the tug was acquired by the Delta Towing Company of Houma, Louisiana. Where she was renamed as the Delta Ram.
In 2011, the Delta Towing Company was acquired by the Crosby Marine Transportation Company of Golden Meadow, Louisiana. Where the tug retained her name.
In 2013, she was acquired by the General Electric Company of Albany, New York. Where the tug was renamed as the HR Otter. And, the tug was rebuilt with a retractable wheelhouse.
In 2015, the tug was acquired by the Coeymans Marine Towing Company of Coeymans, New York. Where the tug retained her name.
In 2016, the Coeymans Marine Towing Company renamed the tug as the CMT Otter.
Powered by two, Cummins KTA1150 diesel engines. With Twin Disc reduction gears, at a ratio of 5.17:1. For a rated 1,200 horsepower.