Instruction manual

PROFICIENCY IN SURVIVAL CRAFT AND RESCUE BOATS OTHER THAN
FAST RESCUE BOATS
4 15
- the system shall be arranged to allow flushing with fresh water, and
complete draining.
Fig. 4.6 Totally enclosed lifeboats with a self contained air support systems
and fire protected
4.2 Liferafts
4.2.1 General requirements for liferafts
Construction of life-rafts
A life-raft must be so constructed as to be capable of withstanding
exposure for 30 days afloat in all sea conditions.
A life-raft must be so constructed that when it is dropped into the water
from a height of 18 meters, the life-raft and its equipment will operate
satisfactorily. If the life raft is to be stowed at a height of more than 18 meters
above the water-line in the lightest seagoing condition, it must be of a type which
has been satisfactorily drop-tested from at least that height.
A floating life-raft must be capable of withstanding repeated jumps on to it
from a height of at least 4.5 metes above its floor both with and without the
canopy erected.
A life-raft and its fittings must be so constructed as to enable it to be towed
at a speed of 3 knots in calm water when loaded with its full complement of
persons and equipment and with one of its sea-anchors streamed.
A life-raft must have a canopy to protect the occupants from exposure
which is automatically set in place when the life-raft is launched and waterborne.
The canopy must comply with the following: