Descending from the puffy clouds as the runway slowly looms into sight, the first-time flyers in the aircraft cabin and pilots in the cockpit would be silently praying for a perfect weather and safe landing.For, poor weather has been the cause of many accidents in the aviation sector. The visibility haze is still a main issue. However, aircraft turning back due to bad weather is a thing of the past. Even in dense fog, pounding rain or raging sandstorm, when visibility in an airport dips to as low as 50 metres, pilots with the help of ‘Drishti’ and Instrument Landing Systems (ILS) are able to land the aircraft safely on the tarmac.
What will surely warm the hearts of many is that ‘Drishti’, a transmissometer for precise reporting of visual range at airports, is a desi product. Drishti system was developed in the workshop of city-based CSIR-NAL (National Aerospace Laboratories). “Drishti is installed in all categories of airports and Air Force bases across the country has crossed a century,’’ declares V Shubha, a distinguished scientist, CSIR (Airport Instrumentation) -NAL and also a cricket buff. Read more