Canadian Chart 1 Symbols, Abbreviations and Terms

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Buoys, Beacons - Section Q

Colours of Buoys and Beacon Topmarks

Ref.	IHO Symbology	Description	CHS Symbology
2		Green and black (symbols filled black)
3		Single colours other than green and black
4		Multiple colours in horizontal bands, the colour sequence is from top to bottom
5		Multiple colours in vertical or diagonal stripes, the darker colour is given first
Note: Retroreflecting material may be fitted to some unlit marks. Charts do not usually show it. Under IALA recommendations, black bands will appear blue under a spotlight.