3 Application of heeling levers
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - HSC 2000 Code - International Code of Safety for High-Speed Craft, 2000 – Resolution MSC.97(73) - Annex 7 - Stability of multihull craft - 3 Application of heeling levers

3 Application of heeling levers

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

  • .1 for intact condition:

    • .1.1 wind heeling lever (including gusting effect) (HL 2); and

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

  • .2 for damage condition:

    • .2.1 wind heeling lever (steady wind) (HL 3); and

    • .2.2 wind heeling lever plus heeling lever due to passenger crowding (HL 4)

  3.2 Angles of heel due to steady wind

  3.2.1 The angle of heel due to a wind gust when the heeling lever HL 2, obtained as in 1.3, is applied to the intact stability curve shall not exceed 10°.

  3.2.2 The angle of heel due to a steady wind when the heeling lever HL 3, obtained as in 2.2, is applied to the residual stability curve after damage, shall not exceed 15° for passenger craft and 20° for cargo craft.


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