4.7.3 Performance requirements
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4.7.3 Performance requirements

  4.7.3.1 Each free-fall lifeboat should make positive headway immediately after water entry and shall not come into contact with the ship after a free-fall launching against a trim of up to 10° and a list of up to 20° either way from the certification height when fully equipped and loaded with:

  • .1 its full complement of persons;

  • .2 occupants so as to cause the centre of gravity to be in the most forward position;

  • .3 occupants so as to cause the centre of gravity to be in the most aft position; and

  • .4 its operating crew only.

  4.7.3.2 For oil tankers, chemical tankers and gas carriers with a final angle of heel greater than 20° calculated in accordance with the International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978 relating thereto and the recommendations of the Organization footnote as applicable a lifeboat shall be capable of being free-fall launched at the final angle of heel and on the base of the final waterline of that calculation.

Parent topic: 4.7 Free-fall lifeboats
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