Vne is actually 90% of the true max rated speed Vdive.
Pete Clarke actually tested Vd as required. It is simply a
convention that us unwashed masses do not cross the 90% Vd line
Too many flight instructors and pilot texts over simplify the
structural issues
If your plane is built to spec, there should be no issue in flying at
Vne in calm air. Why the PFA wants you to do this annually escapes
me, but it is safe.
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Ira N224XS
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