The deepest waterline at which the ship is intended to operate in ice (the UIWL) has to be marked on the ship’s sides, and the draught must never exceed mark this when sailing to or from a Finnish port where assistance restrictions requiring as a minimum ice class IC, IB or IA of ships are in force.
What restrictions on a ship’s draught are imposed under December 2006 Finnish Maritime Administration’s Amendments to the Finnish-Swedish Ice Class Rules?
