Chart 1 : Symbols, Abbreviations and Terms

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Lights - Section P

Lights with Limited Times of Exhibition

Ref. IHO Symbology Description CHS Symbology
50 Lights exhibited only when specially needed (for fishing vessels, ferries) and some private lights
51 Daytime light (charted only where the character shown by day differs from that shown by night)
52 Fog light (exhibited only in fog, or the character changes in fog)
53 Unwatched (unmanned) light with no standby or emergency arrangements
54 Temporary
55 Extinguished
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