Answer:
The following are true of navigation lights on power-driven vessels:
They must be displayed from sunset to sunrise, or during times of reduced visibility.
They must be visible from a distance of at least two miles away.
They must be placed in a way that they are not obscured by other objects on the vessel.
They must be in good working order.
The specific requirements for navigation lights vary depending on the size and type of vessel. For more information, please consult the International Regulations for Preventing Collisions at Sea (COLREGs).
Step-by-step explanation: