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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 ...
By then, the price of the vessel had climbed to $200 million due to material and equipment factors, such as the price of steel. [12] [13] The vessel was launched on 1 November 2011. [1] According to Edison Chouest spokesman Gary Chouest, "It [Aiviq] will be the world's largest and most powerful anchor-handling icebreaker."
On February 22, 2017, the U.S Coast Guard announced it had awarded five fixed-price contracts worth $20 million for the future heavy polar icebreaker design studies and analysis. [11] The icebreakers are being replaced by 3 heavy and 3 medium icebreakers as part of the Polar icebreaker program. On May 18, 2017, Adm. Paul Zukunft said that due ...
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.
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It is the second Russian icebreaker to bear the name; the previous Leningrad was a Moskva-class diesel-electric polar icebreaker built in 1961 and decommissioned in 1993. Unlike the new nuclear-powered icebreaker, the Soviet-era vessel was named after the city itself .