Airbus has expanded the A380's flight envelope to an altitude of 43,000ft (13,100m) and a speed of Mach 0.89 during the initial phase of flight testing. The first series of stalls has been completed, ...

It’s a common phrase meaning “to go beyond the usual or normal limits by doing something new, dangerous, etc.” But why does “pushing the envelope” mean this? The answer lies not in mail but in ...

The completion of the Flight Performance Handling & Qualification testing is a key milestone in proving the jet’s airworthiness with consistent performance for the full flight envelope. Sierra Nevada ...

Scaled Composites' Model 437 Vanguard returns to flight, expanding its envelope ahead of Northrop Grumman's Beacon autonomy flight testing. The Scaled Composites Model 437 Vanguard has resumed flight ...