9 Icebreakers of Sweden

Atle is the first Atle-class icebreaker to be delivered from the Wärtsilä Helsinki Shipyard. After sea trials in mid-1974 she was delivered on 21 October. She was then crewed by personnel from the Swedish Navy and on 24 October she set sail for Stockholm.

The Atle class comprises five icebreakers built for the Swedish and Finnish Transport Agency. The two Finnish ships, Urho and Sisu, are sometimes considered a separate class, but all are operationally identical.

CCGS Jean Goodwill is an icebreaking anchor handling tug supply vessel (AHTS) being converted to a medium class icebreaker for the Canadian Coast Guard. She was originally built as Balder Viking for Trans Viking Icebreaking & Offshore AS in 2000. The vessel was acquired by the Canadian Coast Guard in 2018 and was initially expected to enter service in late 2019. However, due to delays the conversion of the vessel is now expected to be completed in late 2020.

Frej is the third Atle-class icebreaker, named after the Norse god Freyr. She was launched during late in 1974, and on 30 September 1975 she was delivered to the Swedish Navy and departed the shipyard bound for Stockholm.

Oden is a large Swedish icebreaker, built in 1988 for the Swedish Maritime Administration. It is named after the Norse god Odin. First built to clear a passage through the ice of the Gulf of Bothnia for cargo ships, it was later modified to serve as a research vessel. Equipped with its own helicopter and manned by 15 crew members it has ample capacity to carry laboratory equipment and 80 passengers, functioning independently in harsh Polar ice packs of the Arctic and Antarctic seas. It was the first non-nuclear surface vessel to reach the North Pole, together with the German research icebreaker Polarstern. It has participated in several scientific expeditions in Arctic and Antarctica.

SS Sankt Erik is an icebreaker and museum ship attached to the Vasa Museum in Stockholm, Sweden.

CCGS Vincent Massey is an icebreaking anchor handling tug supply vessel (AHTS) being converted to a medium class icebreaker for the Canadian Coast Guard. She was originally built as Tor Viking for Trans Viking Icebreaking & Offshore AS in 2000 and has also traded under the name Tor Viking II. The vessel was acquired by the Canadian Coast Guard in 2018 and was initially expected to enter service in summer 2020. However, the conversion work has been delayed and the delivery date is not known as of July 2020.

CCGS Captain Molly Kool is a Canadian Coast Guard converted medium class icebreaker. She was originally built as an icebreaking anchor handling tug Vidar Viking for Trans Viking Icebreaking & Offshore in 2001. The vessel was acquired by the Canadian Coast Guard in August 2018 and was commissioned in May of the next year after refit.

Ymer is the fifth and last icebreaker in the Atle-class. She was launched in late 1976, and on 25 October 1977 she was delivered to the Swedish Navy and departed the Wärtsilä Helsinki Shipyard bound for Stockholm, where she arrived on 3 November.