Designation WTGB

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The following ships have designation:   WTGB  -  140-FOOT ICEBREAKING TUG

Number in service Coast Guard-wide: 9
Length: 140 feet
Beam: 37.5 feet
Displacement: 662 tons
Power plant: Two diesel engines
Commissioned: 1979-1988

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 requirements

 

Hull NumberShip Name
101 KATMAI BAY
102 BRISTOL BAY
103 MOBILE BAY
104 BISCAYNE BAY
105 NEAH BAY
106 MORRO BAY
107 PENOBSCOT BAY
108 THUNDER BAY
109 STURGEON BAY

 

If a ship is missing from this list or if no page is associated with a ship (ie, the ship's name is not an active link), then either contact the Curator or edit this page yourself and fix it. See Editing Hull Designation Pages for detailed information on editing this page.

 


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