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Old 26th Oct 2016, 17:43
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Manicured garden
 
Join Date: Dec 2011
Location: RAINBOW
Age: 40
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* Clean speed?
Hello guys,

As far as I know, if ATC request to slow down to "clean speed", we have to decrease speed to Vref40 + 100 if we are above FL250.
And if we are below FL250, then we have to decrease as much as we see on PFD.

And the question is; why is it FL250? Any ideas?
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