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 ...

As we saw last time, some airplanes exhibit degraded pitch stability and a tendency to pitch up as the angle of attack increases up to and beyond the point where the stall begins. This is never a ...

One of the unusual reactions during stall testing cited in the Hawker manual can be the sudden uncommanded movement of the ailerons contrary to pilot control input. The movement of the yoke can be so ...