The Finnish Transport Safety Agency (TRAFI) requires vessels whose keel was laid before 1 September 2003 to comply with the minimum power requirement of the current Finnish ice class rules when they reach the age of 20, according to a regulatory update by DNV GL.
The vessel can only keep its current Baltic ice class when the installed engine power complies with the minimum requirement. This engine power requirement is higher than the one which the vessel had originally been designed with.
However,...
https://safety4sea.com/finnish-ice-class-rules-review-requirements-for-ships-reaching-age-20/