Lufthansa's IT system has been brought down after fiber optic cables were severed during construction work, halting its flights in and out of its largest hub.
IndiGo's Rajat Kumar tells Routes Asia delegates that the LCC wants to bolster its international network before taking delivery of its first Airbus A321XLR.
Propulsive efficiency gains could diminish for bigger turbofans unless nacelle drag can be reduced. Flight tests show promise from a short inlet design.