Chart 1 Symbols, Abbreviations and Terms Used on Charts

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Lights - Section P

SNS a-d

Light Structures, Major floating lights

Ref. IHO Symbology Description CHS Symbology
1 Major light, minor light*, light, lighthouse
2 Lighted offshore platform*
3 Lighted beacon tower*
4 Lighted beacon*
5 Lighted buoyant beacon, resilient beacon*
6 Major floating light (light vessel, major light float, Large Automatic Navigational BuoY (LANBY))
7 Navigational lights on landmarks (except lighthouses)
8 Lights off chart limits
*Minor lights, fixed and floating, usually conform to IALA Maritime Buoyage System characteristics.
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