Originally Posted by
Grebe
"But the NTSB only faulted some of the assumptions, not the analysis with those assumptions."
Oh - ever hear of GIGO ? garbage in garbage out ??
Sure, but those assumptions were acceptable in the past.
The time for certain conditions to be recognized and acted on was well established and used for certification of many aircraft. This wasn't a number Boeing just made up for this situation or even for the MAX.
Or testing the effects/recovery of inappropriate activation of MCAS w/o looking at the ancillary effects of the faults that caused it. Again, common practice across the industry for a long time.