Answer:
I can't see the picture
Explanation:
Im sorry can you right whats on the picture down in the comments plz.
All the boats operating at night requires Navigation light.
Navigation light helps prevent collisions between boats and see if visibility is poor. The types of boat are : Rowboats, Tug boats, Vessels, Sailboat etc.
Various boats have different lightning color to show its use and side of the boat.