3 Application of heeling levers
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Statutory Documents - IMO Publications and Documents - International Codes - HSC Code - International Code of Safety for High Speed Craft, 1994 – Resolution MSC.36(63) - Annex - International Code of Safety for High Speed Craft, 1994 - Annex 7 - Stability of Multihull Craft - 3 Application of heeling levers

3 Application of heeling levers

Parent topic: Annex 7 - Stability of Multihull Craft

3.1 In applying the heeling levers to the intact and damaged curves the following should be considered:

  3.1.1 for intact condition:

  • .1 wind heeling lever - steady wind (HLl); and

  • .2 wind heeling lever (including gusting effect) plus either the passenger crowding or speed turning levers whichever is the greater (HTL).

  3.1.2 for damage condition:

  • .1 wind heeling lever - steady wind (HL3); and

  • .2 wind heeling lever plus heeling lever due to passenger crowding (HL4).

3.2 Angles of heel due to steady wind

  3.2.1 The angles of heel due to steady wind when the heeling lever HLl, obtained as in 1.3, is applied to the intact stability curve, should not exceed 16°, and

  3.2.2 The angle of heel due to steady wind when the heeling lever HL3, obtained as in 2.2, is applied to the residual stability curve, after damage, should not exceed 20°.

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