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Old 26th Nov 2012, 04:05
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JammedStab
 
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Originally Posted by 172_driver
Where I am.. start with highest (lowest?) de-rate first, then assume on top of that if weight allows.
Seems to be the standard way where I am as well, BUT.......would it not make more sense to do max assumed thrust first?

We are advised to never go to full thrust(except for emergency) on a derated takeoff due to maximum certified thrust/controllability issues due to VMCG, whereas on an assumed temperature reduced thrust takeoff, there is no such restriction.
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