during periods of restricted visibility
AT NIGHT!30 minutes prior to sundown and thirty minutes after sunup
keep a proper lookout.
The characteristics of navigation lights on a power driven vessel includes sidelights, sternlight, masthead light, and all-round white lights. Navigation lights must be displayed from sunset until sunrise as well as anytime visibility is restricted.
Those include red lights on the port side and green lights on the other.Depends on the size of the vessel. My tiny little 14 ft boat is only required to show a white light. The link at the bottom of this page will take you to a chart showing lights and visible ranges for different sizes.What is the size of the vessel? Refer to "Navigation rules" for vessel specific answers.
lights must be on during periods of restricted visibility
Any vessel over 7 meters is required to show Navigation lights between sunset to sunrise and in any times of restricted visibility. See Rule 20, Application. For a full list of Navigation Rules, see the link below.
When away from the dock after sunset.
When away from the dock after sunset.
When away from the dock after sunset.
Lights must be on during periods of restricted visibility. ref: EQ-2
the vessel operator
In accordance with rule 28 of the 72 COLREGS a vessel 'constrained by her draft' shall display 3 red lights vertically in addition to other navigation lights. Please see the link provided below.