Lights must be on during periods of restricted visibility. ref: EQ-2
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.
lights must be on during periods of restricted visibility
When away from the dock after sunset.
When away from the dock after sunset.
When away from the dock after sunset.
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.
Generally they are masthead light, port and starboard steaming light and stern light. Others may be displayed depending on the length of the vessel and what duties it is carrying out.
during periods of restricted visibility
Red
Green
AT NIGHT!30 minutes prior to sundown and thirty minutes after sunup
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.