Intact Stability Criteria

Question 1

The area under the righting lever curve (GZ curve) should not be less than ______ metre-radians up to ______° angle of heel.

Answer 1

The area under the righting lever curve (GZ curve) should not be less than 0.055 metre-radians up to 30° angle of heel.

Question 2

The area under the righting lever curve (GZ curve) should not be less than ______ metreradians up to _____° angle of heel or the angle of downflooding if this is less than _______°.

Answer 2

The area under the righting lever curve (GZ curve) should not be less than 0.09 metreradians up to 40° angle of heel or the angle of downflooding if this is less than 40°.

Question 3

The area under the righting curve between the angles of heel of _____° and _____° or between _____° and the angle of downflooding if this angle is less than _____°, should not be less than _____ metre-radians.

Answer 3

The area under the righting curve between the angles of heel of 30° and 40° or between 30° and the angle of downflooding if this angle is less than 40°, should not be less than 0.03 metre-radians.

Question 4

The righting lever GZ should be at least _____ m at an angle of heel equal to or greater than _____°.

Answer 4

The righting lever GZ should be at least 0.20 m at an angle of heel equal to or greater than 30°.

Question 5

The maximum righting arm should occur at an angle of heel preferably exceeding ___° but not less than ___°.

Answer 5

The maximum righting arm should occur at an angle of heel preferably exceeding 30° but not less than 25°.

Question 6

The initial metacentric height GMo should not be less than ____ m.

Answer 6

The initial metacentric height GMo should not be less than 0.15 m.