When You See Only a Green Light or Only a Red Light
When you are in any type of vessel and you see only a green light or only a red light, you may be approaching a sailing vessel and you must give way. A sailing vessel is always the stand-on vessel except when it is overtaking.
![When you see only a green light When you see only a green light: Give way](https://ke-courses-production.s3.amazonaws.com/asset_files/production/1600/attachments/original/navigation_lights_night_green.jpg?1504019508)
![When you see only a red light When you see only a red light: Give way](https://ke-courses-production.s3.amazonaws.com/asset_files/production/1601/attachments/original/navigation_lights_night_red.jpg?1504019508)