gums, … >
fdr, # 180.
… even if flight test data was available publicly, it would be open to misinterpretation or adaptation to support whatever view was chosen.
At best we should limit ourselves to principles, which with well-argued supposition might provide greater insight to the current problems plaguing return to service, and perhaps learn from this some of the outstanding lessons relating to human performance; manage, design, manufacture, regulate, use.
Technically, stability can be viewed from many perspectives -
‘a slice of stale bread, the edges curled up’ - (
MAX’s Return Delayed by FAA Reevaluation of 737 Safety Procedures Mk II ).
Understanding humans is more difficult; we have yet to learn that curled up bread is difficult to push into the toaster, and that the principle of starting with stale bread does not give good toast.
But then again what is ‘good’ toast; good stability, a good aircraft, pilot, manager, CEO. We might start by stating our assumptions, add (understand) supportive regulatory materials, and heed advice to defer judgements to expertise. … But what is expertise, who is an expert, … …
… anyone for burnt toast.