What color lights are displayed on the port and starboard sides of a vessel?

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The lights displayed on the port and starboard sides of a vessel are red and green, respectively. This color-coding is vital for navigation and safety on the water. The red light is shown on the port side (the left side when facing forward), while the green light is displayed on the starboard side (the right side).

This color scheme helps other vessels determine the heading and orientation of a boat at night or in low visibility conditions. When you see the red light, you know the vessel is approaching from the left. Conversely, a green light indicates that the vessel is coming from the right. This system is standardized internationally and is critical for preventing collisions during nighttime or adverse weather conditions. Proper knowledge of these light colors ensures safe navigation in shared waterways.

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