Polaris (icebreaker)
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Polaris is a Finnish icebreaker. Built in 2016 by Arctech Helsinki Shipyard, she is the most powerful icebreaker ever to fly the Finnish flag and the first icebreaker in the world to feature environmentally friendly dual-fuel engines capable of using both low-sulfur marine diesel oil (LSMDO) and liquefied natural gas (LNG). Polaris was initially ordered by the Finnish Transport Agency, but the ownership was transferred to the state-owned icebreaker operator Arctia after delivery.
Polaris on full-scale ice trials in the Gulf of Bothnia on 24 March 2017
Polaris under construction at Arctech Helsinki Shipyard.
Polaris off Kemi on 23 March 2017
Polaris leaving for second sea trials on 16 June 2016 with the original coloring scheme.
Otso (icebreaker)
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Otso is a Finnish state-owned icebreaker. Built by Wärtsilä Helsinki shipyard in 1986 to replace the aging Karhu-class icebreakers, she was the first Finnish post-war icebreaker to be built without bow propellers. Otso has an identical sister ship, Kontio, which was delivered in 1987.
Otso returning from sea trials to the icebreaker base at Katajanokka, Helsinki, on 18 January 2012.
Otso in unbroken level ice outside Raahe in February 2011.
Otso escorting a merchant ship in the Gulf of Bothnia in March 2011. Close towing, in which the escorted ship is pulled to the towing notch of the icebreaker, is commonly used for smaller vessels.