leah: and in this particular aircraft, it had fly-by require which we ve talked about that, essentially, you put controls in, a computer decides what to do with those control inputs, and it could potentially fight the pilot. the computer system might actually say no, i m not going to let this plane climb any higher because it s already going outside its operating end slope. i think that s a great point and that s one of the fundamental differences between a boeing and an air bus aircraft is that aircraft on the airbus side wants to have the health of its aircraft it doesn t want to depart controlled flight and it will fight the pilot. so in some cases it could be detrimental to the aircraft at the end of the day. leah: right. because the pilot could essentially end up sort of fighting the flight controls, fighting the you were a and get so focused on that and we ve seen this in military accidents that they just kind of lose sight of the big picture. but in terms of fighting this cras