UAE threatened not to let AI aircraft take off
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Last Updated: Tuesday, November 23, 2010, 22:51
New Delhi: The UAE air traffic control had recently threatened Air India that it would not give take-off permission for its aircraft at the Dubai airport as the national carrier had not updated the navigation database system, Parliament was informed today.

"Yes Sir, the UAE airspace had changed certain terminal procedures, which were effective in the NAV (air navigation services) data base cycle June 03, 2010 to July 01, 2010," Civil Aviation Minister Praful Patel said in a written reply to Rajya Sabha.

He was replying to a question on whether the UAE air traffic control had threatened recently that it would refuse Air India permission to take off its aircraft from Dubai Airport as it had not updated the navigation database system.

He, however, did not mention on what date the incident took place.

The navigation database which should be updated every 28 days includes flight path of the aircraft.

Patel said the aircraft was dispatched under a provision of Directorate General of Civil Aviation, which allows a grace period of 7 days in updating the navigation database.

Air India was using the grace period when the aircraft entered Dubai terminal area, the Civil Aviation Minister said.

"Subsequent to the incident, instructions have been issued to all concerned to ensure that new database is uploaded before the expiry of existing navigation database cycle," he said.

Patel said instructions have also been issued to release aircraft operating to UAE "with current and latest navigation database only".

He further said that the DGCA provision to use the grace period will be "evoked only under extreme exigencies".

Replying to a separate question, Patel said that the rate of aircraft getting close to each other in the skies have come down to below one per cent in recent years.

"The year-wise air-proximity rate per lakh flights was 0.81 in 2007-08, 0.92 in 2008-09 and 0.96 in 2009-10," he said, adding that efforts are made to further reduce it.


First Published: Tuesday, November 23, 2010, 22:51

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