IndiGo, Air India and Air India Express complete software upgrade on majority of A320 family planes
IndiGo, Air India and Air India Express on Saturday started carrying out software upgrade of A320 family planes to address a potential flight control issue, and requisite modifications have been done for the majority of the 338 affected aircraft, an exercise that also resulted in delays of hundreds of flights.
Sources said airlines have not made any cancellations due to the system modification, but there have been flight delays of 60-90 minutes at various airports.
