| Definition | Symbol |
| Major light, minor light, light, lighthouse | |
| Major floating light (light vessel, major light float, Large Automatic Navigational Buoy (LANBY)) | |
| Navigation lights on landmarks or other structures | |
| Direction light with narrow sector and course to be followed, flanked by darkness or unintensified light | |
| Sector light | |
| Main light visible all-round with red subsidiary light seen over danger | |
| All-round light with obscured sector | |
| Light with arc of visibility deliberately restricted | |
| Lights exhibited only when specially needed (e.g. for fishing vessels, ferries) and some private lights | |
| Floodlit, floodlighting of a structure | |
| Strip light | |
| Position of fog signal. Type of fog signal not stated | |
| Siren at a lighthouse | |
| Wave-actuated bell buoy | |
| Light buoy, with horn | |
| Coast radar station providing range and bearing from station on request | |
| Radar transponder beacon with sector of obscured reception | |
| Radar transponder beacon with sector of reception | |
| Leading radar transponder beacons (‡ mean “in line”) | |
| Leading radar transponder beacons coincident with leading light | |
| Radar transponder beacons on floating marks | |
| Radar reflector | |
| Radar conspicuous feature | |
| Radio direction-finding station | |
| Automatic Identification System transmitters on floating marks | |
| Station providing Differential Global Positioning System corrections |
Didn't find an answer?
Get in touch with our support team. Send us an inquiry and we will respond as soon as possible.