New air surveillance system in Chennai, Kolkata

By Our Special Correspondent

NEW DELHI,OCT.31. The Airports Authority of India (AAI), has put into operation the new Automatic Dependent Surveillance System (ADS) at the ATC Centers at Kolkata and Chennai airports. The system has been developed for AAI by ECIL, Hyderabad.

The latest in the air surveillance and navigation technology, the satellite-based system enables the controllers to monitor the flight movement of an aircraft over oceanic airspace well beyond the reach of any RADAR system.

An interim system was installed at Kolkata in 1997. Now, following the introduction of this new technology, India has become the second country after New Zealand in the world to install the state-of-the art-technology to enhance its air safety measures.

The ADS helps the ATC on ground to monitor the flight movement of an aircraft through the flight management system installed in the aircraft. The pilot, while passing through an airspace, logs on the ADS Centre with the help of the flight management system. Once logged on the ADS automatically provides the controller on ground the entire information as well as the flight movement at any given time.

An aircraft is authorised to log on with one control station. The air-ground communication is done through data link instead of voice.

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