Initial flight testing of new aircraft often reveals stall characteristics that require refinement to ensure safety. Engineers and pilots use controlled slow-flight and stall trials to identify issues ...

Initial flight testing explores the characteristics of the airplane as it is initially configured. At this point, the designers have done their best to create a machine that is safe to fly, meets all ...

A spokesperson from Duncan Aviation said the plane crashed during a stall flight -- which is where pilots practice the aircraft stalling out and then recovering. The plan crashed at around 5 p.m. in a ...