10.11.1 Each unit should carry an immersion suit
complying with the requirements of regulation III/33 for each person
on board. In addition, a sufficient number of immersion suits should
be stowed in suitable locations for those persons who may be on duty
in locations where their immersion suits are not readily accessible.
10.11.2 Immersion suits need not be carried if
the unit is constantly in operation in warm climates where, in the
opinion of the Administration, immersion suits are unnecessary.