11
Jan
(HOUMA, La.) — Main Iron Works has delivered another azimuthing stern drive (ASD) tugboat to Bisso Towboat Co. The 6,008-hp Capt. Joseph Bisso is the company’s fifth new delivery in the past seven years. It was built to U.S. Coast Guard Subchapter M rules, and already received its certificate of inspection. The 100-by-38-foot tugboat is driven by twin Caterpillar 3516E…