Question 4961 Deck General

70% to pass

A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by _______________.

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

The correct answer is A) displaying code letter "Y" (Yankee). The reason this is the correct answer is that the International Code of Signals specifies that the code letter "Y" (Yankee) should be displayed by a vessel to indicate that it is ready to cast off a towline or other connection with another vessel, such as an icebreaker. This is the established communication method for this specific situation. The other answer choices are incorrect because they do not represent the standard signaling method for indicating readiness to cast off a towline from an assisting icebreaker. Sounding whistle blasts or displaying a code numeral would not be the appropriate signals in this context.

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