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sidelight, <of a vessel>
navigation light positioned generally at the side of a vessel, and designed to show either a fixed green light to the starboard or a fixed red light to the port side of the longitudinal axis of the vessel, but not rearwards
Note 1 to entry: This entry was numbered 845-11-46 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-1176 in CIE S 017:2011.