On Dec 31, 6:10*am, "Byron Covey" wrote:
"Chris Rollings" wrote in message

...

Flutter speed (the normal cause of the break-up you
are concerned about) varies with altitude but not so
much as does the IAS.

Are you certain? *Isn't aero flutter a function of true airspeed?


My understanding has always been that the reason Vne drops with
altitude is that flutter is a TAS phenomenon.

9B