Originally Posted by
KRviator
I think he means Indian Airlines 605, that crashed as a result of mis-setting the altitude bug to 700' instead of the VS bug to -700FPM, and commanding Open Descent. By the time the crew realised the screwup it was too late to do anything about it.
That was a hole in the cheese but the bigger factor was only turning one flight director off, leaving the autothrust in ‘thrust idle’ rather than ‘speed’