Today, there is a strong emphasis on navigation safety in polar waters. IMO Subcommittee on Ship Design and Equipment has issued the Polar Code encompassing the matters of design, structure, equipment and operation of ships intended for polar waters. One of the main objectives of this Code is to work out the rules for man-made pollution management in the Arctic. Modern marine logistics systems developed to transport hydrocarbons and natural gas produced at the Arctic offshore include the ships with high ice class capable of operating both autonomously and with ice-breaker pilotage. This work explains how to assess, as per IMO formulas, the CO2 emissions from large ice-going ships in different scenarios of their ice-breaker pilotage. Obtained results served to assess power efficiency of large ships allowing evaluation of the pilotage techiques, both existing and those suggested by the authors of this paper, in terms of environmental safety.

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