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Fixed
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A like showing continuously and steady
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F
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Fixed and Flashing
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A fixed light combined with a flashing light of higher luminosity
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F Fl
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Flashing
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Flashing light, no faster than 30 flashes per minute
|
Fl
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Group Flashing
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Flashing light with specified number of grouped flashes
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Fl(2)
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Composite Group Flashing
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Similar to Group Flashing but successive groups vary
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Fl(2+1)
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Isophase
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All light and dark phases are equal
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Iso
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Single Occulting
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Regular patterns with eclipse shorter than light
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Oc
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Group Occulting
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Regular patterns with eclipse shorter than light, specified groups
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Oc(2)
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Quick
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60 Flashes per minute
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Q
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Interrupted Quick
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Quick light interrupted with long eclipse
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IQ
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Morse Code A
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Group of short and long flashes repeated
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MoA
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Alternating
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Regular patterns with different color lights
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AlRW
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Long Flash
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Flashing light of 2 or more seconds
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LFl
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