8.1 A thorough examination of the hull, tailshaft,
rudders and propellers shall be carried out at the initial and renewal
surveys, at the third annual survey and at the discretion of the Administration.
8.2 A passenger vessel certified for operation
in exposed waters shall undergo a thorough examination of the hull
and tailshaft annually.
8.3 Hull and tailshaft examinations shall include
all fittings, fixtures and penetrations of the hull and strengthening
arrangements.