flight safety detectives episode 137 - swedish accident reveals stall sensor lessons

The investigation of an issue involving a RJ100 in Sweden is relevant to everyone who flies sophisticated aircraft. Specifically, this investigation revealed issues related to the high angle of attack stall sensor that is commonly used in the aviation industry.

The Swedish authority that investigated the issue deployed a multi-person team. They were able to identify the maintenance errors that led to a false stall warning in flight.

John notes that the stick shake stall warning is the same event that started both 737 Max crashes, as well as an Air France A340 crash. These are just part of a long history of airplane stalls resulting in loss of aircraft and lives. In this case, the plane landed safely.

The final accident report has detail that can help prevent these types of accidents. John and Todd highlight the key findings for pilots and maintenance personnel.

Related documents:

• Flight AF 447 Final Report (PDF)
• RL2017:08e Final Report (PDF)

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