Key:seamark:light:1:character
Jump to navigation
Jump to search
 seamark:light:1:character
|
| Description |
|---|
Rhythm of light  
|
| Group: marine navigation |
| Used on these elements |
    |
| Useful combination |
| Status: de facto |
| Tools for this tag |
|
Use another number for each sector. If there is only one sector, the number is 1.
For example:
Rhythm of light
Values
| Character (LITCHR) | 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 | 
|