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A red line of lights across the taxiway.
Also known as: Stop bar lighting, Red bar taxiway
The ICAO lighting forming a row of red lights across a taxiway that an aircraft may not cross while they are lit.
Prohibits an aircraft from crossing while the lights are illuminated.
Contexts: Navigation
Switched off by the controller to give clearance, so the absence of the signal is the permission — an inversion of the usual arrangement where a signal is shown to permit.
Contexts: Navigation
A lit stop bar may not be crossed on a verbal clearance alone, a rule written after incidents in which crews crossed on a radio instruction while the bar remained lit.
Contexts: Navigation
A row of red lights set into the taxiway surface across its full width at the holding position, shown to the approaching aircraft only.