Chart 1 : Symbols, Abbreviations and Terms

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Lights - Section P

Direction Lights

Ref. IHO Symbology Description CHS Symbology
30.1 Direction light with narrow sector and course to be followed, flanked by darkness or unintensified light
30.2 Direction light with course to be followed, uncharted sector is flanked by darkness or unintensified light
30.3 Direction light with narrow fairway sector flanked by sectors of different character
30.4 Direction light with narrow fairway sector flanked by light sectors of different character on multicoloured charts
31 Moiré effect light (day and night), arrows show when course alteration needed
Note: A single bearing is always from seaward. The reciprocal bearing may be quoted on certain leading lines.
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