Core light vocabulary

Light Color Arc
Masthead light White 225°
Port sidelight Red 112.5°
Starboard sidelight Green 112.5°
Sternlight White 135°
Towing light Yellow 135°
All-round light Various 360°

Navigation lights are displayed from sunset to sunrise and also during restricted visibility as required. Day shapes communicate defined vessel conditions during the day.

2.2 Twenty-four-state launch visual family