This medium-sized tugboat was built in 1962 by Russel Brothers Limited of Owen Sound, ON as the Flo Cooper for C.A. Pitts Construction. In 2000 she was sold to McNally International of Hamilton, ON and renamed Sandra Mary.
As the largest tug in the McNally fleet, the Sandra Mary can be found working around the Great Lakes, St. Lawrence, and East Coast in dredging, construction, and lake towing jobs for McNally.
- Type: Single Screw Tugboat
- Year Built: 1962
- Builder: Russel Bros. Ltd., Owen Sound, ON
- Hull No.: 1206
- Horsepower: 1,260 bhp
- Length: 80′ 00″
- Breadth: 21′ 00″
- Depth: 10′ 09″
- Port of Registry: Charlottetown, PEI