Relevant M-notices and documents: MGN 166 (cancelled but worth a read), IMO RESOLUTION A.893(21), MGN 610, SOLAS Chapter V regulation 34 and Annexes 24 and 25.
The requirement for passage planning is best illustrated by quoting SOLAS Chapter V regulation 34 in full:
Prior to proceeding to sea, the master shall ensure that the intended voyage has been plan…