Practice question

What does Rule 28 state regarding vessel characteristics?

  1. It describes the size limitations for different types of vessels
  2. It specifies the display of day shapes and lights based on navigation
  3. It regulates the vessel's speed in narrow channels
  4. It defines the maintenance of vessel safety equipment

Answer: B — It specifies the display of day shapes and lights based on navigation

Rule 28 of the COLREGs pertains to the display of day shapes and lights that vessels must show based on their navigation status. This rule is crucial for ensuring that vessels communicate their movements and operational status to others in a clear and standardized manner. By specifying these visual signals, Rule 28 helps prevent collisions and enhances the overall safety of navigation, particularly in situations where visibility is limited or where vessels may encounter each other in close quarters. The information conveyed through day shapes (which are displayed during the day) and lights (which are used at night) indicates whether a vessel is underway, anchored, restricted in its ability to maneuver, or engaged in fishing, among other statuses. Understanding this rule is vital for mariners to assess the situation around them and respond appropriately, ensuring safe passage in shared waterways.

Practice more: COLREGs Rules of the Road Practice Test →