4.2.5 Stability of inflatable liferafts
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - LSA Code - International Life-Saving Appliance Code – Resolution MSC.48(66) - Chapter IV - Survival Craft - 4.2 Inflatable liferafts - 4.2.5 Stability of inflatable liferafts

4.2.5 Stability of inflatable liferafts

  4.2.5.1 Every inflatable liferaft shall be so constructed that, when fully inflated and floating with the canopy uppermost, it is stable in a seaway.

  4.2.5.2 The stability of the liferaft when in the inverted position shall be such that it can be righted in a seaway and in calm water by one person.

  4.2.5.3 The stability of the liferaft when loaded with its full complement of persons and equipment shall be such that it can be towed at speeds of up to 3 knots in calm water.

  4.2.5.4 The liferaft shall be fitted with water pockets complying with the following requirements:

  • .1 the water pockets shall be of a highly visible colour;

  • .2 the design shall be such that the pockets fill to at Ieast 60% of their capacity within 25 s of deployment;

  • .3 the pockets shall have an aggregate capacity of at least 220 l for liferafts up to 10 persons;

  • .4 the pockets for liferafts certified to carry more than 10 persons shall have an aggregate capacity of not less than 20 N l where N = number of persons carried; and

  • .5 the pockets shall be positioned symmetrically round the circumference of the liferaft. Means shall be provided to enable air to readily escape from underneath the liferaft.


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