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light characteristic

In modern ENC terminology, this refers only to the flashing pattern of a navigational light as described on a chart or in a Light List. Possible values include:

LITCHR ID , Name , Abbreviation
1 , Fixed , F
2 , Flashing , Fl
3 , long-flashing , LFl
4 , quick-flashing , Q
5 , very quick-flashing , VQ
6 , ultra quick-flashing , UQ
7 , Isophased , Iso
8 , Occulting , Oc
9 , interrupted quick-flashing , IQ
10 , interrupted very quick-flashing , IVQ
11 , interrupted ultra quick-flashing , IUQ
12 , Morse , Mo
13 , fixed/flashing , FFl
14 , flash/long-flash , Fl+LFl
15 , occulting/flashing , OcFl
16 , fixed/long-flash , FLFl
17 , occulting alternating , AlOc
18 , long-flash alternating , AlLFl
19 , flash alternating , AlFl
20 , group alternating , Al
25 , quick-flash plus long-flash , Q+LFl
26 , very quick-flash plus long-flash , VQ+LFl
27 , ultra quick-flash plus long-flash , UQ+LFl
28 , Alternating , Al
29 , fixed and alternating flashing , AlF Fl

These patterns are schematically plotted in the Light List. The definitions can be found in either of the online object catalogs used in the eNav course.

See also light description.


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