The Lassen is a 66-foot tugboat built in 1975, designed for versatile tug operations. With a beam of 24 feet and a depth of 11 feet, it has a gross tonnage of 136. Powered by MTU main engines with ZFW reduction gears, the vessel delivers 2,300 horsepower. Constructed with ABS-grade steel, a reinforced hull, and a three-coat paint system, it features Aqua Met 17 stainless steel propeller shafts and durable bronze propellers. Fully SUB M-compliant, the Lassen exemplifies reliability and efficiency in maritime operations.