Willy
The safest method is, of course, to have captain monitored take offs in all cases. Capt monitors all parameters and can call an informed "stop" or "co
Whilst some reasons for a 'stop' call are best confirmed by information inside the flight deck, other reasons for a 'stop' call can only be decided by looking outside the window.
I make no comment on the notion that a pilot controlling a yawing a/c during a high speed ground roll might have the capacity to look at the engine gauges, to decide whether or not to stop! Or may even delay the decision until ECAM senses and displays the failure. All (and ONLY!) because he/she doesn't trust the colleague sitting next to them!
It seems the captains of some airlines aren't as omnipotent as others!
