The following information provides an awareness of problems that might be avoided in the future. The information is based on final reports by official investigative authorities on aircraft accidents and incidents.
Jets
Stick Shaker Activated
Boeing 717-200. No damage. No injuries.
The copilot was flying the aircraft with the autopilot and autothrottle engaged on a visual approach to Runway 29 at Kalgoorlie Airport in Western Australia the morning of Oct. 13, 2010. While turning onto final approach, he noticed that the pitch limit indicator on his primary flight display (PFD), which shows the difference between the aircraft’s angle-of-attack and the angle-of-attack at which the stick shaker (stall warning) activates, was “bouncing down,” said the report by the Australian Transport Safety Bureau (ATSB).
At the same time, the “red zipper,” a PFD indication of the ma…
