Originally Posted by
Uplinker
On the OP question; there are rare occasions when ATC cut you in closer than you expected or asked you to keep the speed up, when I might ask: "Flap x as soon as you can", and we both understand that means when the speed has dropped suitably below Vfe next.
By doing so, you are eliminating the cross-check as a safety layer, and allowing another hole in the swiss cheese model to line up.
PF should check whether the conditions allow for configuration change, call for it, PM should check the same conditions, then action the change. Callouts or not.