What is it about?
The paper describes the technical causes of the Gulfstream G650 flight test accident in April 2011, and the circumstances present in the flight test program that hindered pilots' and engineers' ability to identify the dangerous flight regime in which the accident occurred.
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Why is it important?
The paper highlights how ground effect can lower the stall angle of attack, an important effect to consider when conducting developmental field flight testing of airplanes. The paper also illustrates how simulation can be used to test and verify performance predictions prior to flight testing, thereby reducing risk.
Perspectives
The G650 flight test accident is a sobering reminder that accidents can occur even in the most technically competent and rigorous communities. Understanding the nature of these accidents, and their precursors and causes, can help prevent similar disasters in the future.
Mr. John J O'Callaghan
National Transportation Safety Board
Read the Original
This page is a summary of: The Gulfstream G650 Flight Test Accident: Lessons Learned, August 2013, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2013-5085.
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