cie

17-31-038

lateral mark

artificial mark used to indicate the course of a navigable waterway

Note 1 to entry: A preferred-channel mark is a lateral mark that is used to indicate a preferred course at a point where a choice of courses exists.

Note 2 to entry: This entry was numbered 845-11-40 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-644 in CIE S 017:2011.

Publication date: 2020-12
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