Agreed! Didn't Airbus do the same thing with the Phugoid damping? Even Sully didn't know about it.
Originally Posted by
DaveReidUK
I don't believe that in this day and age you can run a commercial aircraft programme while simultaneously incorporating "secret stuff" than only a handful of people in the company know about. Many, many people inside (and outside) Boeing will have been involved in the design, implementation and flight testing of MCAS.
It may well be true, however, that only a few knew (even before Lion Air, if the rumours of internal Boeing memos turn out to be true) that MCAS could, under certain circumstances, come back and bite you. If there's a smoking gun to be found, that's where it is.