Q I recently read of a unit which was

18th September 1970, Page 291

18th September 1970

Page 291

Page 291, 18th September 1970 — Q I recently read of a unit which was

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described as an alternative to the mechanically operated type of flashing beacon, but it was my understanding that beacons fitted to road vehicles had to emit a beam of light that rotated rather than being in

AA flashing beacon, where mounted,

must be on the centre line of a vehicle at a height of not less than Sit from the road surface and it may only be amber in colour unless the vehicle is used for fire, police or ambulance purposes. It may be used only when a vehicle is attending an accident or carrying out a recovery operation and not, for instance, while a vehicle is towing another vehicle. The regulations state how the light must be seen: it must be visible from a point on any part of a horizontal circle with the lamp at the centre within the frequencies of not less than 60 and not more than 150 equal times per minute.