Question 3431 Deck General
70% to passWhile being towed at a 19.5 foot draft, the DEEP DRILLER experiences single amplitude rolls of 10° with a period of 8 seconds. You should _______________.
The correct answer is A) ballast the rig to a 45 foot draft and check the vessel motions. The reasoning is that the deep draft of 19.5 feet combined with the significant single amplitude rolls of 10 degrees and a short period of 8 seconds indicates the vessel is in a potentially unstable condition. Ballasting the rig to a deeper 45 foot draft can help improve the vessel's stability and reduce the excessive rolling motions, allowing the towing operation to proceed safely. The other options, such as continuing at the current draft or further increasing the draft, would not adequately address the vessel's stability issues. Altering course alone may not be sufficient to mitigate the rolling motion.
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