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    Light characteristic - Wikipedia

    • 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 nautical charts and in Light Lists with the chart symbol for a lighthouse, lightvessel, buoy or sea mark with a light on it. Different lights use different colours, frequencies and li… 展开

    Abbreviations

    While light characteristics can be described in prose, e.g. "Flashing white every three seconds", lists of lights and navigation chart annotations use abbreviations. The abbreviation notation is slightly different from one light lis… 展开

    Light patterns

    A fixed light, abbreviated "F", is a continuous and steady light.
    A flashing light is a rhythmic light in which the total duration of the light in each period is clearly shorter than the total duration of the darkness an… 展开