Coast Guard Exams

Question 28

UFV01

INLAND ONLY Vessels "A" and "B" are meeting on a river as shown in illustration D041RR below and will pass 1/4 mile apart. Which is one of the lights on vessel "B" that you will see if you are on vessel "A"?

Diagram for question 28
AI Explanation
The Correct Answer is C ### Explanation for why option C ("special flashing light") is correct: The **special flashing light** is a unique requirement under the Inland Rules of the Road (33 CFR 83.23(d)). This light is a yellow light flashing at 50 to 70 flashes per minute and is positioned forward on the vessel. It is specifically mandated for a power-driven vessel (like Vessel B) when engaged in **pushing ahead or towing alongside** where the length of the tow is less than 200 meters (about 656 feet) and the vessel is operating on the Western Rivers or specific designated waters. Since Vessel B is engaged in a common Inland operation (pushing barges), the special flashing light would be displayed toward the bow. In a "meeting" situation on a river, Vessel A would see this light clearly, as it is designed to warn oncoming traffic of the close-coupled unit. ### Explanation for why the other options are incorrect: * **A) yellow towing light:** The yellow towing light is required on all towing vessels. However, it is a steady light displayed **aft** (near the stern) of the vessel, typically above or below the stern light. In a standard "meeting" situation where Vessel A is approaching Vessel B from ahead, Vessel A would not be able to see the stern light or the yellow towing light. * **B) red sidelight:** The red sidelight (port side) is a standard navigation light. Whether Vessel A sees the red sidelight (B’s port side) or the green sidelight (B’s starboard side) depends entirely on the precise passing arrangement (one-whistle, port-to-port, or two-whistle, starboard-to-starboard). Since the passing arrangement is not specified, this light is not a guaranteed observation in a meeting scenario, whereas the Special Flashing Light (if B is towing/pushing) is positioned forward for oncoming traffic. * **D) All of the above:** Since options A and B are not necessarily visible or guaranteed in a head-on meeting situation, this option is incorrect.