Question 4924 Deck General

70% to pass

A vessel which is being assisted by an icebreaker should indicate that he is ready to cast off the towline (if one is used) by _______________.

A displaying code numeral "5"
B displaying code letter "Y" (Yankee)
C sounding five short blasts of his whistle
D sounding one prolonged blast of his whistle
AI Explanation

The correct answer is B) displaying code letter "Y" (Yankee). When a vessel is being assisted by an icebreaker, the vessel should indicate that it is ready to cast off the towline (if one is used) by displaying the code letter "Y" (Yankee) on the International Code of Signals. This is the standard signal to communicate the vessel's readiness to disconnect from the icebreaker's assistance. The other options are incorrect because they do not represent the standard signaling method for this situation. Displaying code numeral "5", sounding five short blasts, or sounding one prolonged blast are not the appropriate signals for indicating readiness to cast off the towline when assisted by an icebreaker.

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