Light characteristic
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A light characteristic is all of the properties that make a particular navigational light identifiable. Graphical and textual descriptions of navigational light sequences and colours are displayed on
Symbols and abbreviations for light characteristics
Clockwork occulting mechanism formerly in use at Coquet Island Lighthouse
Brier Island Lighthouse cropped
Lateral mark
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A lateral buoy, lateral post or lateral mark, as defined by the International Association of Marine Aids to Navigation and Lighthouse Authorities, is a sea mark used in maritime pilotage to indicate t
A Region A lateral mark, showing both the green color and the triangular symbol, denoting the channel at the entrance to the Port River near Adelaide, South Australia
IALA region A: Red port / green starboard marks when entering from sea into Le Palais, France