AAI studying how to avoid radar failure repeat

NEW DELHI: The Lucknow airport became operational in the early hours of Sunday after remaining shut for close to 12 hours, during which nearly 20 flights to and from the city were cancelled. Airlines resumed flights as per schedule from Sunday morning. Airlines like Vistara and Air India confirmed they had resumed flights to Lucknow on Sunday. 
 
The Airports Authority of India (AAI) had despatched teams with the data card that needed to be replaced in the VHF omnidirectional range (VOR), a vital component of instrument landing system (ILS), to make it functional again from both Delhi and Kanpur.
 
The AAI is now studying how this problem can be avoided in future. Air Traffic Control chief AK Dutta has sent technicians from Delhi to see how backup can be created for the data card that got corrupted on Saturday, leading to chaos with cancelled flights leaving hundreds of outbound passengers stranded in Lucknow and Lucknow-bound flyers stuck in other parts of the country.
 
"This data card is the same for both the original and the backup VOR. We will see how to have a different card for the back up," said the official.

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