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Project 22220, also known through the Russian type size series designation LK-60Ya, [note 1] is a series of Russian nuclear-powered icebreakers.The lead ship of the class, Arktika, was delivered in 2020 and surpassed the preceding Soviet-built series of nuclear-powered icebreakers as the largest and most powerful icebreaker in the world.
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 .
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."
USCGC Mackinaw (WLBB-30) is a 240-foot (73 m) multi-purpose vessel with a primary mission as a heavy icebreaker specifically built for operations on the North American Great Lakes for the United States Coast Guard. [3]
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 ...
[25] [26] With a total propulsion power of 60 megawatts (80,000 hp), Leningrad is designed to be capable of breaking 2.8 metres (9 ft) thick level ice at a continuous speed of 1.5–2 knots (2.8–3.7 km/h; 1.7–2.3 mph) at full power when operating in deep water at design draught.
[72] [73] With a total propulsion power of 60 megawatts (80,000 hp), Arktika is designed to be capable of breaking 2.8 metres (9 ft) thick level ice at a continuous speed of 1.5–2 knots (2.8–3.7 km/h; 1.7–2.3 mph) at full power when operating in deep water at design draught.
Nathaniel B. Palmer is an icebreaking research vessel (RVIB) owned by Offshore Service Vessels LLC, operated by Edison Chouest Offshore, Inc. and chartered by the United States National Science Foundation.