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An icebreaker is a special-purpose ship or boat designed to move and navigate through ice-covered waters, and provide safe waterways for other boats and ships. Although the term usually refers to ice-breaking ships , it may also refer to smaller vessels, such as the icebreaking boats that were once used on the canals of the United Kingdom .
This is a list of icebreakers and other special icebreaking vessels (except cargo ships and tankers) capable of operating independently in ice-covered waters. Ships known to be in service are presented in bold .
USCGC Healy (WAGB-20) is the United States' largest and most technologically advanced icebreaker as well as the US Coast Guard's largest vessel. [1] She is classified as a medium icebreaker by the Coast Guard. [1] She is homeported in Seattle, Washington, and was commissioned in 1999. On 6 September 2001 Healy visited the North Pole for the ...
Polar-class icebreakers USCGC Polar Star (WAGB-10), USCGC Polar Sea (WAGB-11) are heavy icebreakers operated by the United States Coast Guard (USCG). These cutters, specifically designed for icebreaking, have reinforced hulls, special icebreaking bows, and a system that allows rapid shifting of ballast to increase the effectiveness of their icebreaking.
USCGC Polar Star (WAGB-10) is a United States Coast Guard heavy icebreaker.Commissioned in 1976, the ship was built by Lockheed Shipbuilding and Construction Company of Seattle, Washington along with sister ship, USCGC Polar Sea.
According to Edison Chouest spokesman Gary Chouest, "It [Aiviq] will be the world's largest and most powerful anchor-handling icebreaker." [6] The vessel has also been called the world's most powerful privately owned icebreaker. [13] In 2011, Shell invited Inupiak schoolchildren to submit essays suggesting names for the vessel.
The Bay-class tugboat is a class of 140-foot (43 m) icebreaking tugboats of the United States Coast Guard, with hull numbers WTGB-101 through to WTGB-109.. They can proceed through fresh water ice up to 20 inches (51 cm) thick, and break ice up to 3 feet (0.91 m) thick, through ramming.
The USCGC Mackinaw (WAGB-83) as seen from her permanent berth at the SS Chief Wawatam dock at Mackinaw City, Michigan, 2019. USCGC Mackinaw (WAGB-83) is a decommissioned United States Coast Guard icebreaker which operated on the Great Lakes for 62 years.
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