| NOS |
NIMA |
|
IHO |
 |
 |
Lights exhibited only when specially needed (for fishing vessels, ferries), and some private lights |
 |
|
 |
Daytime light (charted only where the character shown by day differs from that shown at night) |
 |
|
Fog light (exhibited only in fog, or else character changes in fog |
 |
|
Unwatched (unmanned) light with no standby or emergency arrangements |
 |
|
Temporary |
(temp) |
|
Extinguished |
(exting) |
|