Clasification Society 2023 - Version 9.38
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.363(92) Performance Standards for Electronic Inclinometers (Adopted on 14 June 2013) - Annex Performance Standards for Electronic Inclinometers - 3 DEFINITIONS


 For the purpose of these Performance standards, the following definitions apply:

  • .1 Rolling is the motion around the longitudinal axis of the ship;

  • .2 Actual heel angle is the momentary angle of roll referenced to a levelled ship to port or starboard side;

  • .3 Roll period is the time between two successive maximum values of heel angle on the same side of the ship; and

  • .4 Roll amplitude is the maximum values of heel angle to port or starboard side.

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