PPRuNe Forums - View Single Post - Was MCAS needed?
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Old 1st February 2021 | 15:46
  #79 (permalink)  
gums
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Joined: Jun 2009
: Military
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From: florida
Salute!

Outstanding discussion and analysis by fdr. love it

Other than many posts concerning the aerodynamic solutions other than the kludge MCAS, I still need someone to explain how the 'bus got certified with no control feedback related to AoA or mach or....

I can unnerstan that a certain command from the yoke or stick should result in some aerodynamic response, but we have the gee command in the 'bus folks, then hybrid commands in the B777 and then the laws I flew with some of the systems years ago along with the Concorde.

My opinion is the FAA and other certification agencies need to revise the requirements. The MCAS was implemented to satisfy a relationship on a chart or graph that would be meaningless in the AB 320 and later. When I looked it up, it looked like something for the Aeronica Champ I flew in 1960.

Oh well, I hope we move forward and avoid a chain of decisions and implementations that resulted in the MAX tragedies.

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