Question 2131 Deck Safety

70% to pass

The improper stowage of cargo has caused vessels to have a negative GM. How will a ship in this condition handle in the seaway?

A the vessel will not have a list but will be slightly down by the head
B the vessel will not show any indications of its condition until it capsizes
C the vessel will have a list that may vary from port to starboard
D the vessel will have a snap roll and list to one side only
AI Explanation

The correct answer is C) the vessel will have a list that may vary from port to starboard. When a ship has a negative GM (metacentric height) due to improper cargo stowage, it becomes unstable and will exhibit a list to one side or the other. This list may vary as the ship rolls in the seaway, as the unstable condition will cause the vessel to list unpredictably from port to starboard. The other answer choices are incorrect because: A) a negative GM will cause a list, not just a down-by-the-head condition; B) the unstable condition will be immediately evident through the list, not just when the vessel capsizes; and D) the list will not be limited to one side only, but will vary unpredictably.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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