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Boeing reportedly left engineers, officials unaware of 737 Max changes
Boeing's overestimation of the 737 Max's safety may have been prompted in part by a simple but dangerous problem: many of the people involved weren't aware of the changes. The New York Times has claimed that some engineers, testers and regulators were unaware Boeing had made the jet's MCAS anti-stall system far more aggressive. They operated on the assumption the technology relied on two sensors when it was using just one, and a "compartmentalized approach" to… (www.engadget.com) Más...Then they'd just smoke more, have plenty of power but poor economy.
I was thinking more of different operation during "testing" than in the "real world"....
Sorta thought you might mean that. It's not that there was a test that was 'cheated' on, just that there wasn't a test that showed this problem. Again that is the FAA fault in all this.
And this is a good reason why there should be a separate independent/segregated body to conduct final phase testing/verification on all aircraft systems like the military does. Where there is a (DT&E) Developmental side and there is a (OT&E) Operational testing sides in which they are two separated entities. OT&E has no direct influence from the manufacture, so thus they can find such "issues" without the main manufactures influence where as DT&E does as this is during the design and developmental phase
So much for the 'we must have simulator training' argument.