The 140-foot Bay-class Cutters are state of the art icebreakers used primarily
for domestic ice breaking duties. They are named after American Bays and
are stationed mainly in Northeast U.S. and Great Lakes.
WTGBs use a low-pressure-air hull lubrication or bubbler system that forces
air and water between the hull and ice. This system improves icebreaking
capabilities by reducing resistance against the hull, reducing horsepower