https://www.nytimes.com/2019/03/21/business/boeing-safety-features-charge.html
Why on earth should you pay extra for 2 features that can save lives, sounds crazy..
Why on earth should you pay extra for 2 features that can save lives, sounds crazy.
Why on earth should you pay extra for 2 features that can save lives, sounds crazy..
Thorsten wrote in Thu Mar 21, 2019 7:01 pm:In hindsight it looks like the kind of design one of us would write as a quick hack into an FG FCS to make something work, not really like something that actually flies in a real aircraft or would be approved by any aviation authority.
So, one faulty AOA sensor, and MCAS system is going nuts thinking the aircraft is reaching flight envelop limit with high incidence. AOA indicator or not, it would not have changed that behaviour.
wlbragg wrote in Thu Mar 21, 2019 8:01 pm:That is even worse, why didn't the pilots know where the big red OFF button is?
Any automated system that can control the critical control surfaces of the aircraft at such a low altitude needs to be fully understood. This new automated system effectively took thousands of hours of pilot experience and reduced it to a single switch that none of them new about.
There is really no excuse here if this second crash is understood to be the same cause as the first, pilots not understanding the system and how to shut it off.
But MCAS doesn't do that. It rotates the wheel just a little bit, wait 10 seconds and rotate again a little bit.
IMHO this behavior is NOT a runaway, it's a sneakaway.
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