INLAND ONLY You are meeting another power driven vessel head-on and sound one short blast as a passing signal. The other vessel answers with two short blasts. What should be your next action?

Correct Answer: Option D — Sound the danger signal.

Inland Rule 34(a) dictates that when vessels are in sight and one vessel fails to understand the intentions of the other, or is in doubt whether sufficient action is being taken to avoid collision, she must immediately sound the danger signal of at least five short, rapid blasts.