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Flame orange to report a vehicle towed (2 m)
Must be placed at a sufficient height to ensure its visibility.
For pneumatic gear towed, most European countries require a quick release of the machine system, and advocate the use of a fluorescent orange 2 metre flame on the tug boat.
In France, the quick-release system and the flame are mandatory (Article 224247 annex to the Decree of 23 November 1987).
It's a prop oblogatoire for pulling behind a motorized device.