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Operating in Darkness - Part 2

Powerboat A's options for overtaking powerboat B at night when seeing a white light: on either the port or starboard side of the vessel.

Powerboat A: When only a white light is visible, you may be overtaking another vessel. Give way to either side.

Powerboat B: You are being overtaken. Stand on.

Powerboat A gives way to the starboard side when approaching powerboat B, whose white and red lights are visible. Powerboat B continues on its course.

Powerboat A: When only white and red lights are visible, you are approaching the port side of a powerboat. Give way to your starboard side.

Powerboat B: When only white and green lights are visible, you are approaching the starboard side of a powerboat. Stand on.

Powerboat A approaches powerboat B head-on, with red, green and white lights visible. Both vessels give way on the starboard side.

Powerboat A: When white, red and green lights are visible, you are approaching a powerboat head-on. Give way to your starboard side.

Powerboat B: When white, red and green lights are visible, you are approaching a powerboat head-on. Give way to your starboard side.

Powerboat A approaches sailboat B head-on, with red, green and white lights visible. Powerboat A gives way on the starboard side.

Powerboat A: When only red and green lights are visible, you are approaching a sailboat head-on. Give way to your starboard side.

Sailboat B: When white, red and green lights are visible, you are approaching a powerboat head-on. Stand on.

Powerboat A gives way to the starboard side when approaching sailboat B, whose red light is visible. Sailboat B continues on its course.

Powerboat A: When only a red light is visible, you are approaching the port side of a sailboat. Give way to your starboard side.

Sailboat B: When white and green lights are visible, you are approaching the starboard side of a powerboat. Stand on.

Powerboat A gives way to the port side when approaching sailboat B, whose green light is visible. Sailboat B continues on its course.

Powerboat A: When only a green light is visible, you are approaching the starboard side of a sailboat. Give way to your port side.

Sailboat B: When white and red lights are visible, you are approaching the port side of a powerboat. Stand on.

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