Master Boat Builders has launched Patricia B. Moran, a new tugboat it is building for Moran Towing Corporation, based in New Canaan, Conn.The newbuild is one of two 86-foot (LOA) tugs the Coden, Ala. shipbuilder is building for Moran. Ordered in 2022, the tugs were designed by Crowley Engineering Services and will produce a bollard pull of over 55 metric tons.