Quote:
Originally Posted by D-Luv
There isn't any data in our buffet margin charts for anything above FL350 at more than 46K...
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Sure, but that certainly doesn't mean we are prohibited from operating at altitudes above FL350 at weights over 46k. You can extrapolate from the data the chart does provide and get a good idea of where you need to be in terms of speed to operate safely in those situations. In my experience you can still usually get 600-800 fpm out of the plane at those altitudes and weights with a high ISA if you keep your speed up. Your technique sounds like a good one.