The Value of Interface Design
If you can recall, a couple of years ago Air France flight 447 crashed in the Atlantic off the coast of South America. The follow-up investigation is returning a report finally, and the conclusion is a bit grim: It seems surprising that Airbus has conceived a system preventing one pilot from easily assessing the actions of the colleague beside him. And yet that is how their latest generations of aircraft are designed. The reason is that, for the vast majority of the time, side sticks are superb. “People are aware that they don’t know what is being done on the other side stick, but most of the time the crews fly in full automation; they are not even touching the stick,” says Captain King. “We hand-fly the aeroplane ever less now because automation is reliable and efficient, and because fatigue is an issue. [The side stick] is not an issue that comes up – very rarely does the other pilot’s input cause you concern.” ...