These multipurpose icebreakers operate as conventional icebreakers in the winter, but during the open - water season, they can be used for such things as cable laying, research operations, and maintenance of offshore oil rigs.
احدى هذه السفن هي سفينة بوتنيكا ،‏ التي بُنيت سنة ١٩٩٨ لتستعملها المصلحة البحرية الفنلندية .‏