From: Colin Povey <email@example.com> Organization: Delphi (firstname.lastname@example.org email, 800-695-4005 voice) Date: 14 Dec 94 02:22:37 References: 1 2 Followups: 1
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Onat Ahmet <email@example.com> writes: > That really seems to be the reason. Flight modes are frequently >mistaken, and if the mistake ends the pilot up in an unfamiliar >mode, he might not always know the way to change it back. At a >test conducted by NASA on 30 US airline pilots, a large number could >not access unfrequently used modes, or could not leave them once >entered. This seems to be the reason behind many of the Airbus >accidents. One in India for example happened as follows: I recently took a course in Human Factors Engineering for my masters degree. During the course, I researched four crashes of Airbus planes, all related to incorrect flight modes. In a recent crash, the pilot set a descent glide slope at what he thought was -3.7 degrees. Since he was in the wrong mode, the computer took this to mean a descent rate of 3,700 fpm. He flew into a mountain. As I said, there were four crashes that I was able to find. There may be more. I personally consider this to be an unacceptable rate of crashes, and feel uncomfortable about flying A320/319/321 aircraft.