IS Code - General Intact Criteria Check

Pass/fail summary of the IS Code 2008 Part A §2.2 general intact-stability criteria: area under GZ to 30°, 40°, 30-40°, GZ at 30°, angle of max GZ, and initial GM.

IS CodeStabilityGZ

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Formula, assumptions, and limits

A_{30} \geq 0.055, \ A_{40} \geq 0.09, \ A_{30-40} \geq 0.03, \ GZ_{30} \geq 0.2, \ \theta_{max} \geq 25°, \ GM_0 \geq 0.15

Symbol	Meaning	Unit
$A_{30}$	Area under GZ to 30°	m·rad
$GZ_{30}$	Righting arm at 30°	m
$\theta_{max}$	Angle of maximum GZ	deg
$GM_0$	Initial metacentric height (fluid)	m

Source: IMO 2008 IS Code Part A §2.2

In short

Pass/fail summary of the IS Code 2008 Part A \u00a72.

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