BOTH INTERNATIONAL & INLAND You are on vessel "A", as shown in illustration D032RR below and hear vessel "B" sound a signal indicating his intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. What action should you take?

Correct Answer: Option A — Sound five or more short and rapid blasts

Rule 34(d) requires that if a vessel fails to understand the intentions or actions of another, or is in doubt whether sufficient action is being taken to avoid collision, she must immediately indicate such doubt by sounding at least five short and rapid blasts.