The high-intensity light can dazzle pilots during take-off and landing when shone at aircraft.

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Similarly located structures less than 45 metres tall may require a low-intensity light.

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And under International Civil Aviation Organisation regulations, any structure over 45 metres tall on a flight path or near an aerodrome must be fitted with a medium-intensity aircraft warning light.

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The other is a non-contact method by detecting intensity of the invisible infrared light that naturally emanates from every surface in this Universe.

FORBES: Body temperature.

According to the Civil Aviation Authority (CAA), the high intensity light can dazzle pilots during the crucial phases of take-off and landing.

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