jääkerroin
Jääkerroin, often translated as "ice factor" or "ice coefficient," is a term used in certain contexts, particularly in some Nordic countries, to describe a rating or classification related to the ability of a ship or vessel to navigate through ice-covered waters. It is not a universally standardized term in international maritime law, but rather a system developed by specific classification societies or authorities to assess and communicate a vessel's ice-strengthening capabilities.
The concept of an ice factor typically involves a numerical or descriptive scale that indicates the thickness
Different maritime administrations or organizations might have their own specific ice classification systems, which can lead