Rhode Island Boater Practice Test

When must navigation lights be displayed on a vessel?

1. At night when there is a risk of collision with another boat

2. Only when adrift at night

3. From sunset to sunrise and during periods of restricted visibility

4. Only when you are anchored or in fog

The correct answer is: From sunset to sunrise and during periods of restricted visibility

Displaying navigation lights is essential for ensuring the safety of all vessels on the water, particularly in low visibility conditions. The requirement to show navigation lights "from sunset to sunrise and during periods of restricted visibility" is a standard practice adopted to enhance visibility for both operators and nearby vessels. This rule helps to prevent collisions and informs others of the positioning, direction, and status of your vessel, which is especially critical during night hours or in conditions such as fog, rain, or heavy overcast weather where visibility is compromised. The requirement applies universally to all vessels, not just those that are anchored or adrift, which is why this option stands out as the most comprehensive. Using navigation lights consistently improves maritime safety and allows for better communication between vessels on the water.