![]() The lowering speed of a fully equipped liferaft without persons onboard shall be to the satisfaction of the Administration. The maximum lowering speed shall be established by the Administration having regard to the design of the survival craft or rescue boat. Where S is the lowering speed in meters per second and H is the height in meters from the davit head to the waterline with the ship at the lightest sea-going condition. The speed at which the fully loaded survival craft or rescue boat is lowered to the water shall not be less than that obtained Where davit armsare recovered by power, safety devices shall be fitted which will automatically cut off the power before the davit arms reach the stops in order to prevent overstressing the falls or davits, unless the motor is designed to prevent such overstressing. a static test with a proof load of not less than 1.5 times the maximum working load Ģ. a dynamic test with a proof load of not less than 1.1 times the maximum working load at maximum lowering speed.Īn efficient hand gear shall be provided for recovery of each survival craft and rescue boat. The winch brakes of a launching appliance shall be of sufficient strength to withstand:ġ. When launched by a person on the deck, the survival craft or rescue boat shall be visible to that person. The launching mechanism shall be so arranged that it may be actuated by one person from a position on the ship’s deck and, except for secondary launching appliances for free-fall lifeboats, from a position within the survival craft or rescue boat. Each launching appliance shall, as far as practicable, remain effective under conditions of icing.Įach rescue boat launching appliance shall be fitted with a powered winch motor capable of raising the rescue boat from the water with its full rescue boat complement of persons and equipment at a rate of not less than 0.3 m/s. All parts requiring regular maintenance by the ship’s crew shall be readily accessible and easily maintained. ![]() With the exception of the secondary means of launching for free-fall lifeboats, each launching appliance shall be so arranged that the fully equipped survival craft or rescue boat it serves can be safely launched against unfavorable conditions of trim of up 10° and list of up to 20° when boarded by its full complement of persons.Įach launching appliance shall be so constructed that only a minimum amount of routine maintenance is necessary. ![]()
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