NR527 Rules for the Classification of Ships Operating in Polar Waters and Icebreakers

This Rule Note applies to ships constructed of steel and intended for navigation in ice-infested polar waters, including icebreakers. NR527 provides requirements for the assignment of the additional class notations POLAR CLASS, one of the service notations icebreaker, and one of the additional service features POLAR CAT.

Reference Title Date

NR527 R04

Rules for the classification of ships operating in polar waters and icebreakers

Jan 2021

  • NR467 Rules for the classification of steel ships

  • NR445 Rules for the classification of offshore units

  • NI650 Guidelines for existing ships operating in polar waters

  • NI543 Ice reinforcement selection in different world navigation areas

Check other Bureau Veritas rules and guidelines.