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