USCGC Mobile Bay

USCGC Mobile Bay (WTGB-103) is an active icebreaking tug under the direction of the United States Coast Guard. Her homeport is located in Sturgeon Bay, Wisconsin. She is one of two ships in her class that has been equipped with a 120-foot (37 m) aids-to-navigation (ATON) barge operating on the Great Lakes.[1] The vessel was specifically designed to carry out icebreaking missions, but also carries out missions in Search and Rescue, Environmental Pollution Response, Maritime Law Enforcement and Homeland Security.[1]

USCGC Mobile Bay (WTGB-103)
History
United States
NamesakeMobile Bay, Alabama
BuilderTacoma Boatbuilding Company
LaunchedDecember 11, 1978
CommissionedSeptember 2, 1979
HomeportSturgeon Bay, Wisconsin
Identification
Motto"Breaking the trail, Marking the way"
StatusActive
General characteristics
Class and typeUSCG Bay-class icebreaking tug (WTGB)
TypeIcebreaker tug
Displacement690 tons
Length140 ft
Beam37.5 ft
Draft12.5
Ice class60 inch continuous, 10 feet back/ramming
Installed powerDiesel Electric
PropulsionTwo Fairbanks-Morse diesel engines
Speed19.7 knots (36.5 km/h; 22.7 mph) max
Boats & landing
craft carried
  • 1 utility boat
  • 120 ft (37 m) aids-to-navigation barge
Crew30

During the fall season, Mobile Bay is responsible for aids to navigation work in Green Bay and Lake Michigan. Mobile Bay is able to do ATON, unlike other vessels of her class, because it is one of two ships in the class with a 120-foot (37 m) ATON barge. During this time, the cutter is tasked with replacing traditional channel markers with winter markers, which are more capable of handling the extreme conditions seen in the Great Lakes during the winter months. During the winter months, Mobile Bay detaches from the ATON barge and is largely responsible for ice breaking in the Northern Great Lakes in order to maintain an operable level of maritime commerce in the region. This time period often lasts from December to Mid-April. During the spring months, Mobile Bay once again is responsible for aids to navigation work. At this time, the cutter will replace the buoys set in the fall with the traditional channel markers, since the winter months will have ended. The cutter will also inspect year round buoys to ensure they are positioned correctly and watching properly.

See also

References

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