Andreas Lubitz was breathing, steady and calm, in the final moments of Germanwings Flight 9525. It was the only sound from within the cockpit that the voice recorder detected as Mr. Lubitz, the co-pilot, sent the plane into its descent.
The sounds coming from outside the cockpit door on Tuesday were something else altogether: knocking and pleading from the commanding pilot that he be let in, then violent pounding on the door and finally passengers’ screams moments before the plane, carrying 150 people, slammed into a mountainside in the French Alps.
Those clues led French prosecutors to say Thursday that the co-pilot had locked the pilot out of the cockpit and deliberately crashed the Airbus A320.
For the complete story by Dan Bilefsky and Nicola Clark of The New York Times, click here.