Chart 1 : Symbols, Abbreviations and Terms

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Lights - Section P

SNS e

Lights marking fairways

Leading lights and lights in line
Ref. IHO Symbology Description CHS Symbology
Note: Diagrams may be shown as dotted lines on older CHS charts.
20.1 Leading lights or range lights with leading line (firm line is the track to be followed) and arcs of visibility
20.2 Leading lights or range lights: any two objects in line, with bearing ( ‡ means "in line")
20.3 Leading lights or range lights on smallscale charts
21 Lights in line marking the sides of a channel
22 Rear or upper light
23 Front or lower light
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