Ice navigation vessel

Cargo ship navigating in ice, Gulf of Bothnia
Icebreaking bow of the tanker Timofey Guzhenko

Ice navigation vessel, or ice-strengthened vessel, is a class of ships specially prepared for independent ice navigation in the waters of the polar seas and for following icebreakers in especially difficult ice conditions. Various registration authorities assign ice classes to vessels based on their technical characteristics. Due to this, ice navigation vessels are usually referred to as ice-class vessels without indicating which class they belong to, but indicating the type of vessel (e.g. ice-class tanker, ice-class cargo ship etc).

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