The Directorate General of Civil Aviation (DGCA) has set January 31 as the final date for IndiGo to change the engines of all its 98 Airbus A320neo aircraft.
Planes with unmodified engines will not be allowed to fly after the deadline. DGCA’s order, issued on Friday, comes after four air turnback incidents (return to departure airport) involving the A320neo in a week. The directive could impact the airline's schedules and capacity induction plan. IndiGo has already revised downward its 2019-20 capacity growth target because of aircraft delivery delays.
DGCA chief Arun Kumar noted the four instances of air turnback was matter of

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