Originally Posted by
Mad (Flt) Scientist
OK, you must be talking CRJ900 (or CRJ705) since that 1.75 factor doesn't apply to the 200 or the 700 for that failure.
As a rule, the landing distance factors presented in the AFM (and QRH) consider all the related factors. So for a failure with reduced braking which also instructs a f20, Vref+x landing, the reduced braking, the changed flap and the changed speed are all included in the factor. there's no need to additionally account for the flap and the Vref adder.
It may be clearer to review what the AFM says, since it's not constrained by the need to be a succinct as the QRH.
Thanks for the answer. Just as I thought. Now I will need to find something to back my claims with.
I will check if the AFM will say something.
And yes! It is regarding the CRJ900!