The airline announced on its website that the flights that have been cancelled include those from Delhi, Mumbai, Chennai, Kolkata, Hyderabad, Bangalore, Patna, Srinagar, Bhubaneswar, Amritsar, Srinagar and Guwahati.
The tipping point came when an Ahmedabad-Lucknow flight failed mid-air on Monday and made an emergency landing in Gujarat.
Most of these planes are used by IndiGo Airlines and GoAir and both the carriers are now trying to accommodate flyers on other flights.
The move followed a crash in Nepal involving a Bangladeshi aircraft at Kathmandu airport on Monday, which killed at least 50 people. Yesterday, hundreds of passengers were stranded across the country as dozens of flights were cancelled by IndiGo and GoAir due to the grounding of the 11 A320 Neo planes of the two carriers.
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GoAir spokesperson released a statement say-ing, "GoAir has received the directive from the DGCA for immediate grounding of all late serial number PW GTF engines". GoAir is committed to the highest standards of safety and compliance and we sincerely regret the inconvenience caused to our valued customers.
Few from the A-320 Neos in IndiGo and GoAir have these engines, but the others that have been equipped with a different engine from the series can continue to fly because no faults have been discovered in them yet.
US-based Pratt & Whitney - part of United Technologies Corp - in a statement said it was working toward "minimizing disruption".
"The corrective action has been approved and we have already begun to deliver production engines with the upgraded configuration".
Flight Fleets Analyzer shows that IndiGo operates 29 A320neos within its fleet of 157 aircraft and has 398 of the type on order.