The Finnish Transport Infrastructure Agency (FTIA) has chosen Helsinki-headquartered Aker Arctic to design the next-generation Baltic Sea assistance icebreaker as part of the Winter Navigation Motorways of the Sea III (WINMOS III) project co-financed by the European Union. In addition to initial design, various technical evaluations and concept comparison, the work will include model tests and development of the final concept design package.
FTIA says that vessel will be a B+ size icebreaker...
https://www.marinelog.com/news/aker-arctic-to-design-next-generation-icebreaker-for-finland/