LAUNCHING and EMBARKATION APPLIANCES TP 7323(E ...

(c)
(d)
(e)
that the winch brake shall not be affected by the mass of the fully extended
control wire;
that there shall be sufficient length of control wire available at the lifeboat
during all stages of lowering; and,
that means shall be provided to retain the free end of the control wire in the
lifeboat until the lifeboat as detached from the launching device by the
operator.
7.6 If the winch brake is exposed to the weather, the lowering test shall be repeated with
the braking surface wetted.
7.7 It shall be demonstrated that the survival craft can be recovered to its stowage
position by means of operating the hand gear, and, can be safely and properly
secured.
7.8 Where davits are recovered by power, it shall be demonstrated that the power is
automatically cut off before the davit arms come against the stops.
7.9 In the case of rescue boats, it shall be demonstrated that the fully equipped rescue
boat, when loaded with the number of persons it is to accommodate, can be
recovered at a rate of not less than 0.3 m/s.
7.10 It shall be demonstrated that the rescue boat can be recovered with the same winch
as described under 5.3, by means of a hand gear.
7.11 When luffing type davits are turned out by means of hydraulic cylinders, a test shall
be carried out under 'dead ship' conditions to ensure that the lifeboat or rescue boat
can be safely launched from the stowed position.
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