Question 1766 Deck Safety

70% to pass

Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken FIRST in regard to the vessel's stability?

A Jettison topside weights to reduce KG and KB
B Shift any off-center weights from port to starboard
C Press up any slack double-bottom tanks to eliminate free surface
D Flood any empty double-bottom tanks to add weight low and down
AI Explanation

The correct answer is B) Shift any off-center weights from port to starboard. Shifting off-center weights to the high side (starboard in this case) is the first corrective action that should be taken to address the vessel's listing. This helps to reduce the heeling moment and restore the vessel's upright position by moving the center of gravity towards the centerline. The other options are not the best first steps. Jettisoning topside weights (A) may be appropriate but should be done after restoring the vessel's upright position. Pressing up or flooding double-bottom tanks (C and D) may help, but should be considered after addressing the off-center weights.

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