Challenge
Redesign the existing Primary Flight Display in a typical jetliner based off of a case study of the crash of AirFrance 447 in 2008.

Process
The crash of AirFrance 447 was a completely preventable tragedy. There was a combination of technological malfunctions, and human error that resulted in the deaths of several hundred people.
When reading through the final moments recorded on the flight log, we find out that the main cause of the crash was that one of the copilots in charge of flying the plane was pulling back on the yolk, without the other pilot's knowledge, and unintentionally stalled the plane. The pilots were unaware of the plane's actual pitch, and, when confronted with the plane's stall warnings, incorrectly "corrected" by pulling the tip of the nose further upward. The error was discovered in the last moments of the flight, at which time they had lost so much altitude they could not correct the problem.

Solution
My solution plays off of what is called the "Flight Envelope". This is a range of altitudes in which a plane can safely fly in at the given speed. It gives visual cues to the pilots to let them know their speed, altitude, yaw, pitch and heading.
The Flight Envelope is indicated by the yellow bounding bars both above and below the plane's flight path. The bounding bars slowly turn red to indicate increasing danger.
The plane's predicted location is shown by the ghosted shape that appears initially above (and subsequently below) the horizon line.
The above scenario depicts the actual AirFrance incident, and shows that, had they been more aware of the pertinent information, their judegment error would have been more obvious and thus preventable.

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