MAX Story With Lots of Links

Kinja'd!!! "Rusty Vandura - www.tinyurl.com/keepoppo" (rustyvandura)
03/14/2019 at 16:10 • Filed to: None

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DISCUSSION (11)


Kinja'd!!! Ash78, voting early and often > Rusty Vandura - www.tinyurl.com/keepoppo
03/14/2019 at 16:19

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I still believe that any “force feedback” like a stick shaker or MCAS needs to be defeatable by something intuitive, like hard oppo on the controls. In an emergency situation with a couple seconds reaction time, it’s not always logical for anyone to have to remember to flip a different switch. IMHO, that is. I can completely see how this would have passed the certification test, even if it seems like an ergonomic failure to me.


Kinja'd!!! ttyymmnn > Ash78, voting early and often
03/14/2019 at 16:40

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Reinforcing that thought, pulling back on the yoke with force is exactly how you gained manual control in the older 737s. Boeing told pilots that the new one was just like the old one, even got it certified under older type certificates, and didn’t tell pilots about MCAS. So pilots who flew older 737s instinctively yanked back on the yoke and then were perplexed when it didn’t work. I simply don’t understand how Boeing didn’t feel it was necessary to tell pilots everything about the new plane. I think they were afraid that they would have to go through a new, costly certification program.


Kinja'd!!! Rusty Vandura - www.tinyurl.com/keepoppo > ttyymmnn
03/14/2019 at 17:05

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Yes, that. Perplexing, indeed.


Kinja'd!!! gmporschenut also a fan of hondas > Rusty Vandura - www.tinyurl.com/keepoppo
03/14/2019 at 17:05

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They should rotate that bottom right plane so it looks like they’re on a merry go round.


Kinja'd!!! someassemblyrequired > Rusty Vandura - www.tinyurl.com/keepoppo
03/14/2019 at 17:28

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Typical FAA software tester:

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In all seriousness, the people that reviewed the code probably had no clue what they were doing.  There’s no way a climbing airplane with lots of forward speed is stalling.   Whoever designed that code, and the person who reviewed it should feel real bad about killing 300+ people with their incompetence.


Kinja'd!!! someassemblyrequired > Ash78, voting early and often
03/14/2019 at 17:31

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Yep, there needs to be an obvious kill switch for a feature like this. The real problem is the CG issue - they really should have clean sheeted the airplane so they didn’t need this system.

Really they should have bolted these engines to a 757 instead of a 737...


Kinja'd!!! Ash78, voting early and often > someassemblyrequired
03/14/2019 at 17:59

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I just came from talking to a buddy who is a SWA captain. He’s 99% convinced it’s pilot training. A design flaw, sure, but nothing that training and checklists can’t handle.


Kinja'd!!! Rusty Vandura - www.tinyurl.com/keepoppo > gmporschenut also a fan of hondas
03/14/2019 at 18:00

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It’s an interesting photo.


Kinja'd!!! someassemblyrequired > Ash78, voting early and often
03/14/2019 at 18:52

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The data I’ve seen has the plane getting as low as 200ft in the first dive. After a code brown moment like that, trained or not, it’s gonna take some time to get things to a point where you can worry about turning it off.

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Kinja'd!!! Grindintosecond > Ash78, voting early and often
03/14/2019 at 23:22

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Its defearable by using the pilots trim control on the con trol wheel. Then flipping center console switches to t urn off the trim system. Then the trim is manually adjusted and the pilot flys the plane by actually flying it. Its pretty intuitive. At iss ue is why nobodys talking about the flight crews role in properly managing automation systems, like the crew did properly at lions air on the flight before the crash.


Kinja'd!!! Ash78, voting early and often > Grindintosecond
03/15/2019 at 09:16

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Yep, the more I read, the more confused I get about whether it was just MCAS or something deeper. I just chatted with a neighbor yesterday afternoon who is a SWA captain and he’s at a loss...they had all been trained on that thoroughly, even the folks who don’t fly the MAX. Just something to always be aware of in the event of weird pitch behavior or an unresponsive yoke. Seems like the kind of thing you file away in your permanent memory. I’m curious how much (if any) time the Lion and Ethiopian pilots had in a MAX simulator. This isn’t your average “on the job training” type of thing.