ED Decision 2022/013/R
USE OF VISUAL AIDS FOR SURFACE MOVEMENT GUIDANCE AND CONTROL SYSTEM (SMGCS)
Where an SMGCS is provided by selective switching of stop bars and taxiway centre line lights, the following should apply:
(a) taxiway routes, which are indicated by illuminated taxiway centre line lights, are capable of being terminated by an illuminated stop bar;
(b) the control circuits are so arranged that when a stop bar located ahead of an aircraft is illuminated, the appropriate section of taxiway centre line lights beyond it is suppressed; and
(c) the taxiway centre line lights are activated ahead of an aircraft when the stop bar is suppressed.
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