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EA:  LIGHT_PATTERN

Status: STD 2005/06/07
Code: 576
Concept definition: The type of sequence, grouping, and/or distinctive character of a <LIGHT>; light pattern.
 
Attribute value type: ENUMERATION
Reference type: IR
Reference: [FACC, Annex B: CHA]
Supplemental references:  
Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07		 LIGHT_PATTERN FLASHING Rhythmic, in which the total duration of light in a period is clearly shorter than the total duration of darkness and all of the appearances of light are of equal duration; flashing. 12 PR [S57A, Attribute, LITCHR:2]  
STD
2005/06/07		 LIGHT_PATTERN FLASHING_LONG_FLASH <<<FLASHING>>> excepting the final appearance of the light, which is longer; flashing/long-flash. 13 IR [S57A, Attribute, LITCHR:14] [FACC, Annex B, CHA:46]
STD
2005/06/07		 LIGHT_PATTERN FLASH_ALTERNATING <<<FLASHING>>> but alternating in two or more colours; flash alternating. 11 PR [S57A, Attribute, LITCHR:19]  
STD
2005/06/07		 LIGHT_PATTERN GROUP_ALTERNATING <<<GROUP_FLASHING>>> but alternating in two or more colours; group alternating. 14 PR [S57A, Attribute, LITCHR:20]  
STD
2005/06/07		 LIGHT_PATTERN GROUP_FLASHING <<<FLASHING>>> and occurring in groups; group-flashing. 15 IR [FACC, Annex B, CHA:9]  
Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
  • M - has Modifications
  • C - has Clarifications

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