it is 1210pm malaysia airlines mh 183 is preparing to depart cabin crew are about to close the doors anusha p sends out a message to her husband that the flight is about to start before she switches off her phone ramesh who had reached home by then after dropping his wife taps an app on his phone and the flight appears on his smartphone screen he can see it roll down the second runway gain speed take off and fly straight over velachery perungudi and across the marina and settle on its cruising altitude over the bay of bengal towards kuala lumpur now you can track planes real time in 3d as they flies in and out of airports across the globe on your smartphone computer or tablet it is like playing a video game the image of the plane can be panned around and a cockpit view offers a view of the horizon as the pilots see people like ramesh will be able to track the flight all the way till it reaches its destination airports parking bayas airports in india are struggling to offer live flight information to passengers online a bunch of aviation enthusiasts with a small plane tracking device installed on their rooftops world over are bringing live data on planes at any airport in the world to anyone who has a good net connectionflightradar24 a plane tracking website uses the adsb automatic dependent surveillance broadcast signals from planes to track their location altitude speed and direction the feed is provided online for anyone aviation experts and amateurs and the feed comes in handy for passengers to track their plane to find out the exact arrival time accident investigation teams have also studied the data to pinpoint what went wrong during a crashthe website of flightradar24 says that they get flight information from a combination of sources adsb signals from planes satellites and radar informationexcept the four private airports in delhi mumbai bengaluru and hyderabad other airports have not been able to post their flight arrival and departure timings live online on their websites aai airports are still grappling to bring together information from their radar airlines and other sources onto a single platform this often leaves passengers in the dark with regard to delays in arrival and departure the tracking app and website help people find out the status of their flight without going through the hassle of calling up a call centre or the airports landlinethe airports authority of india aais attempt to revamp the chennai airports website is also stuck in the red tape for the past five yearsan aai official familiar with air navigation technology said adsb is the next generation technology in navigation it will make radars redundant almost all commercial airliners have adsb receivers and transmitters onboard which will gauge its location using gps and broadcast it while flying this also helps planes find their way without looking for signals from ground stations indian airports use it to track