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Old 12th Oct 2019, 12:16
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spornrad
 
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Bombshell in JATR report?

Originally Posted by fgrieu
Here is the JATR report of Oct 11, 2019 as posted on the FAA website
Finding F3.5-C The JATR team considers that the STS/MCAS and EFS functions could be considered as stall identification systems or stall protection systems, depending on the natural (unaugmented) stall characteristics of the aircraft. From its data review, the JATR team was unable to completely rule out the possibility that these augmentation systems function as a stall protection system.

(my emphasis)
In my words, it seems unclear to this day, whether the MAX is sufficiently aerodynamically stable in pitch or not. Whether the MAX requires a full blown stall envelope protection including all the mandatory redundancy, or not, may decide the fate of her certification.

Last edited by spornrad; 12th Oct 2019 at 13:05.
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