Key:seamark:light:character
 seamark:light:character |
| Description |
|---|
Character of lights   |
| Group: Marine navigation |
| Used on these elements |
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| Status: de facto |
| Tools for this tag |
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If the object is a lighthouse (light_major or light_minor), use seamark:light:1:character=* instead, even there is only one sector.
Characters (LITCHR)
Animated illustrations of light characters can be found here: Light Characters
| seamark:light:character | Pattern | Description | |
|---|---|---|---|
| Fixed | F |  |
A signal light that shows continuously, in any given direction, with constant luminous intensity and colour. |
| Flashing | Fl |  |
A rhythmic light in which the total duration of light in a period is clearly shorter than the total duration of darkness and all the appearances of light are of equal duration. |
| Long-flashing | LFl |  |
A flashing light in which a single flash of not less than two seconds duration is regularly repeated. |
| Quick-flashing | Q |  |
A light exhibiting without interruption very rapid regular alternations of light and darkness. |
| Very quick flashing | VQ |  |
A flashing light in which flashes are repeated at a rate of not less than 80 flashes per minute but less than 160 flashes per minute. |
| Ultra quick flashing | UQ |  |
A flashing light in which flashes are repeated at a rate of not less than 160 flashes per minute. |
| Isophased | Iso |  |
A light with all durations of light and darkness equal. |
| Occulting | Oc |  |
A rhythmic light in which the total duration of light in a period is clearly longer than the total duration of darkness and all the eclipses are of equal duration. |
| Interrupted quick flashing | IQ |  |
A quick light in which the sequence of flashes is interrupted by regularly repeated eclipses of constant and long duration. |
| Interrupted very quick flashing | IVQ |  |
A light in which the very rapid alterations of light and darkness are interrupted at regular intervals by eclipses of long duration. |
| Interrupted ultra quick flashing | IUQ |  |
A light in which the ultra quick flashes (160 or more per minute) are interrupted at regular intervals by eclipses of long duration. |
| Morse | Mo |  |
A rhythmic light in which appearances of light of two clearly different durations are grouped to represent a character or characters in the Morse code. |
| Fixed/flash | FFl |  |
|
| Flash/long-flash | FlLFl |  |
|
| Occulting/flash | OcFl |  |
|
| Fixed/long-flash | FLFl |  |
|
| Occulting alternating | Al.Oc |  |
|
| Long-flash alternating | Al.LFl |  |
|
| Flash alternating | Al.Fl |  |
|
| Group alternating | Al.Gr |  |
|
| Quick-flash plus long-flash | Q+LFl |  |
|
| Very quick-flash plus long-flash | VQ+LFl |  |
|
| Ultra quick-flash plus long-flash | UQ+LFl |  |
|
| Alternating | Al |  |
|
| Fixed and alternating flashing | Al.FFl |
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