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The Canadian Ice Service (CIS) is a division of the Meteorological Service of Canada (MSC), which is a branch of Canada's Department of the Environment and Climate Change. [1] The CIS is the leading authority for information about ice in Canada's navigable waters. [1]
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. [1] [2
CCGS Amundsen [note 1] is a Pierre Radisson-class icebreaker and Arctic research vessel operated by the Canadian Coast Guard.The vessel entered service in 1979 as Franklin and was renamed Sir John Franklin in 1980 and served as such until 1996.
The Polar Icebreaker Project (previously Polar Class Icebreaker Project) is an ongoing Canadian shipbuilding program under the National Shipbuilding Strategy. [6] Announced in 2008 with an intention to replace the ageing CCGS Louis S. St-Laurent with a new polar icebreaker by 2017, the program has faced multiple delays and changes, and as of 2024 consists of two planned icebreakers, CCGS ...
A 1986 survey of Canadian ice shelves found that 48 km 2 (19 sq mi), a volume of 3.3 km 3 (0.79 cu mi), of ice calved from the Milne and Ayles ice shelves between 1959 and 1974. [2] Canada lost 94% of its overall ice shelf area between 1906 and 2015. [3]
CCGS John A. Macdonald [note 1] was a Canadian Coast Guard heavy icebreaker. She was named after The Right Honourable, Sir John Alexander Macdonald, the first Prime Minister of Canada. The ship was commissioned into the Canadian Department of Transport's Marine Service in 1960 using the prefix "Canadian Government Ship" (CGS).
CCGS Arpatuuq (Inuktitut:) is a future Canadian Coast Guard icebreaker that will be built under the Polar Icebreaker Project as part of the National Shipbuilding Strategy.The ship was initially expected to join the fleet by 2017 but has been significantly delayed and is now expected by 2030.
CCGS Sir Humphrey Gilbert [a] is a former Canadian Coast Guard light icebreaker and buoy tender that was later sold to a private owner and renamed Polar Prince.The ship entered service with the Department of Transport Marine Service in 1959 and transferred to the newly created Canadian Coast Guard in 1962, active until 2001.