freefall

What are Free-fall lifeboat release mechanism or requirement as per SOLAS ?

2.1 Principle requirements

Each free-fall lifeboat shall be fitted with a release system which shall: (LSA 4.7.6)

2.1.1 Have two independent activation systems for the release mechanisms which may only be operated from inside the lifeboat and be marked in a colour that contrasts with its surroundings.

 2.1.2 Be so arranged as to release the boat under any condition of loading from no load up to at least 200 % of the normal load caused by its fully equipped lifeboat when loaded with the number of persons for which it is approved.

 2.1.3 Be adequately protected against accidental or premature use.

 2.1.4 Be designed to test the release system without launching the lifeboat.

2.1.5 Be designed with a factor of safety of 6 based on the ultimate strength of the materials used.

 Situation of the ship

The lifeboat shall be capable of being safely launched under all conditions of trim of the ship up to 10° and a list up to 20° either way from the certification height when fully equipped and loaded,

For oil tankers, chemical tankers and gas carriers a final angle of heel greater than 20° may be possible.

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