Question 288 Rules of the Road

The correct answer is D) All of the above. In areas of restricted visibility, a vessel must take the following actions according to the International Regulations for Preventing Collisions at Sea (COLREGS) and the Inland Navigation Rules: 1) The power-driven vessel must have her engines ready for immediate maneuver (Rule 19(a)). 2) If the vessel detects another vessel by radar, she must determine if a risk of collision exists (Rule 19(b)). 3) The vessel must sound the appropriate sound signals to indicate her presence (Rule 19(d)). All of these requirements apply to a vessel navigating in an area of restricted visibility in order to safely operate and avoid collisions. The other answer choices are incorrect as they only address a subset of the necessary actions.