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Old 13th Jul 2019, 11:13
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Tomaski
 
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Originally Posted by Mac the Knife
Do my eyes deceive me?

"14 CFR 23.672 - Stability augmentation and automatic and power-operated systems
a)
[snip][/snip] Warning systems must not activate the control system."


I'll go and get my specs. Maybe I've got the wrong end of the stick.

Mac
Im not exactly sure if this is what the wording means but the stick shaker and MCAS have different logic circuits to activate. Stick shaker does not activate MCAS directly however both rely on AOA input so as we learned a single bad input can activate both.
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