You are approaching the port side of another vessel
You are approaching the stern of another vessel
You are approaching a sailing vessel - head-on
You are approaching a powerboat head-on
You are approaching a powerboat head-on
You are approaching the starboard side of another vessel
You are approaching a powerboat head-on
A visible white light on another vessel indicates that it is approaching you head-on. This means you should also exhibit a white light to signify that your vessel is also approaching head-on.
You are approaching the stern of another vessel
In darkness or reduced visibility, the white light indicates a vessel's stern, while red and green lights indicate the port (left) and starboard (right) sides, respectively. A vessel displaying a red light is facing another vessel, while a green light indicates it is on the starboard side. This color coding helps mariners determine the direction and type of vessel they are encountering, ensuring safe navigation.
It depends on the configuration seen. There are different lights visible depending on the relative headings of the vessels and relative sizes etc.
How the two vessels are propelled
When a cut turns white, it often means that the blood flow to the area has been reduced. This could be due to constriction of blood vessels or inflammation causing the blood vessels to leak less blood. In some cases, it may also indicate an infection or impaired circulation.