The “Big Three” Persian Gulf carriers—Emirates, Qatar Airways and Etihad Airways—are increasingly heading in different directions and distinguishing their strategies. Etihad has created the first part of its “Etihad Regional” system; Qatar is venturing into Saudi Arabia with a new affiliate airline, while Emirates remains a purely widebody hub-and-spoke carrier.

A trial to reduce the need to stack arriving aircraft at London's busy Heathrow Airport will have international implications. The trial, the second phase of a series called Topflight, aims to extend the horizon of arrival-planning for the airport's air traffic controllers beyond U.K. airspace out 350 nm into Belgium, France, the Netherlands and Ireland.

Engine makers look for new turboprop opening as India seeks regional aircraft proposals.

Difficulties of cross-border industrialization highlighted in quest

High-aspect-ratio, truss-braced wing promises marked fuel savings

Toulouse is considering a response to Boeing’s 777X

Development delays and slowing orders force Bombardier to conserve cash

Offer the airlines new ways to save millions of gallons of jet fuel and they will practically bite your hand off. That is the clear signal to the aerospace industry as Airbus and Boeing continue to rack up record-breaking orders for their new generation of reengined and more efficient commercial aircraft.