USCGC MOBILE BAY (WTGB-103)

Sturgeon Bay, Wisconsin

CHARACTERISTICS

USCGC MOBILE BAY (WTGB-103)

The 140-foot Bay class Cutters are state of that art icebreakers used primarily for domestic ice breaking duties. They are named after American Bays and are stationed mainly in the northeast United States and the 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.

Design Features

Number in Service		9

Length		140 feet

Beam		37.5 feet

Displacement		662 tons

Power Plant		2 diesel engines

Commissioned		1979-1988

Performance Characteristics

Cutter				Homeport

BISCAYNE BAY (WTGB-104)				St. Ignace, MI

BRISTOL BAY (WTGB-102) *				Detroit, MI

KATMAI BAY (WTGB-101)				Sault Sainte Marie, MI

MOBILE BAY (WTGB-103) *				Sturgeon Bay, WI

MORRO BAY (WTGB-106)				Cleveland, OH

NEAH BAY (WTGB-105)				Cleveland, OH

PENOBSCOT BAY (WTGB-107)				Bayonne, NJ

STURGEON BAY (WTGB-109)				Bayonne, NJ

THUNDER BAY (WTGB-108)				Rockland, ME

* BRISTOL BAY and MOBILE BAY are augmented by a 120' Aids to Navigation barge

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