4.1 The detailed voyage and passage plan should
report changes to a previously advised voyage and passage plan, to
the relevant authorities.
4.2 In addition, the detailed voyage and passage
plan for ships operating in Arctic or Antarctic waters should include
the following factors:
-
.1 existing ice conditions; and
-
.2 measures to be taken before entering waters
where ice may be present, e.g., an abandon ship drill and preparation
of special equipment.footnote