The DGCA has also urged for real time coordination between the Air Traffic Control, airports and airline operators. Strict cross-verification of instruments and visual cues in poor visibility is another aspect stressed in the guidelines.

The regulator was not available for a comment. 

Delhi airport all runways CAT-III ones: 

All four runways of Delhi airport are CAT-III compliant, including the runway 10/28 closed for upgradation and opened on September 17 this year. The other operational runways – RW 09/27, Rs 11R/29L and RW 11L/29R are  already CAT III compliant. Indira Gandhi International Airport handles more than 1,500 flights (arrivals and departures) daily.

A320 upgrade work over: 

All A320 aircraft in operation in India have completed the mandatory software upgrade, said the Ministry of Civil Aviation. The software in the Elevator Aileron Computer, which is crucial in flight controls, had to be upgraded in 338 flights in India. 

In a statement, the Ministry said that Indigo had completed the upgrade on all 200 aircraft of the A320 family. Air India has competed it in 100 out of its 113 aircraft (four aircrafts are under base maintenance, while the upgrade condition is not applicable in the case of nine aircrafts). Air India Expresshas completed the software upgrade in 23 of 25 aircraft while two are under maintenance for redelivery, the statement said.

The regulator has set the three airlines deadline of 5.29 am on November 30 to complete the upgrade or face the prospect of the aircraft getting grounded.