USCG USCG Safety Eng
Set 8 • Question #216 of 254
Launch Interactive Practice Room Initial stability refers to the vessel's stability __________.
A
at small angles of inclination
✓ Correct Answer
B
when loaded with minimum deck load
C
when at transit draft
D
when GZ is zero
USCG NMC Regulatory Explanation
Transverse metacentric height ($GM = KM - KG$) is the direct quantitative measure of a vessel's initial stability at small angles of heel ($\theta \le 10^\circ$). Righting moment is calculated as $GZ = GM \sin\theta$.
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