337 Yeti Airlines flight 691 crash – Human Factors for General Aviation Pilots
Aviation News Talk podcast
Glass Cockpit Publishing
4.8 • 730 Ratings
🗓️ 3 July 2024
⏱️ 53 minutes
🧾️ Download transcript
Summary
Max discusses the critical role of human factors in aviation safety, prompted by the tragic crash of Yeti Airlines flight 691 in Nepal in 2023. The flight crashed during a visual approach due to pilot errors and high workload, resulting in the loss of all 72 people on board.
Trescott explains how human factors like high workload, distractions, and ineffective Crew Resource Management (CRM) played a critical role in the accident. The crew's use of noise-canceling headsets and the challenging new airport approach added to their workload, leading to mistakes.
Trescott uses the SHELL model (Software, Hardware, Environment, Liveware) to analyze the accident, emphasizing how the interaction of these elements can lead to errors. He discusses the effects of high workload on pilot performance, including attentional narrowing and task shedding, and offers strategies to manage it, such as starting descent planning earlier and effective CRM practices. Recognizing high workload is crucial, but pilots often don't notice it in real-time, necessitating proactive measures and specific training. Trescott concludes by highlighting the dangers of overconfidence and complacency, even among experienced pilots, and stresses the importance of developing strategies to catch and correct mistakes to enhance flight safety.
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Mentioned on the Show
Yeti Airlines flight 691 Final Report
Flight-crew human factors handbook
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Transcript
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| 0:00.0 | Do you know what the weakest part of an airplane is? |
| 0:04.7 | Do you think maybe the wing or the tail? |
| 0:07.7 | About 80% of accidents are the result of some shortcoming on the part of the pilot. |
| 0:12.5 | So arguably, you and I are the weakest part of the airplane. |
| 0:16.7 | And that's why we should all be interested in human factors. |
| 0:20.2 | Over the weekend, I came across the final report for the crash of Yeti Airlines Flight 691, |
| 0:25.9 | which crashed in Nepal in 2023. |
| 0:29.0 | And I was struck by how human factors were totally responsible for the accident. |
| 0:33.5 | And one of those human factors, high pilot workload, can occur in any GA aircraft that |
| 0:38.8 | you or I might fly. |
| 0:40.2 | Today we'll talk about that accident and about how you can mitigate a high pilot workload. |
| 0:45.0 | And I hope you'll share this show with others and post comments about how you deal with |
| 0:48.7 | high workloads. |
| 0:50.1 | Hello again and welcome to Aviation News Talk where we talk in general aviation. |
| 0:53.9 | My name is Max Truscott. I've been flying for 50 years. I'm the author of several books |
| 0:57.7 | and the 2008 National Flight Instructor of the Year. And my mission is just to help you become the safest possible pilot. |
| 1:05.3 | Last week in episode 336, we talked with Jim Simon about his engine failure near Seattle and what it was like pulling the caps parachute. |
| 1:13.6 | So if you didn't hear that episode, you may want to check it out at AviationNewsTalk.com |
| 1:17.5 | slash 336. |
| 1:19.6 | And if you're new to this show, welcome. |
| 1:21.1 | I'm glad you found us. |
| 1:22.4 | Now, we want you to stick around. |
... |
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