CNN New Day January 2, 2015 11:55:00
This happen i think we have a graphic of this information here. what the important thing that this keeps track of is the input of a control and the response of the control. what we're looking for there is any discrepancy between he tried to go forward or he tried to go back and it didn't move the control. that would indicate that there is a mechanical problem on board the aircraft. if they follow as expected if it's going exactly where it is then we start looking at external factors, whether it was weather, whether it was the pilot's decision-making or if the pilot made a decision based on wha...