Originally Posted by
BraceBrace
Because in many companies the Boeing performance application is the primary tool. Hardly anybody uses tables anymore. It's not because the table works in 10hPa blocks, it is "the" way. It is "a" way to calculate.
I was just trying to show it doesn't make a difference. Even in Airbus it's computerised and as I said in my first reply it hides the process and just gives magic numbers. The process shows you that rise in OAT or change in QNH doesn't compromise anything.