The aircraft’s black box recorder, which captured Lubitz and Captain Sondenheimer’s last comments, eventually allowed investigators.
To put together the flight’s final minutes after the accident. Complete transcript of Germanwings Flight 9525 The black box transcript shows that.
Lubitz told Sondenheimer that he was prepared to take over the controls “anytime.” His voice is heard saying to his captain, shortly after takeoff, “You can go now.”
About 28 minutes in, Sondenheimer tells Lubitz that he is in charge of radio communications before he leaves the cockpit to use the restroom. Then you hear the door shutting.
At this moment, Lubitz adjusts the altitude of Flight 9525 and disregards air traffic control’s contact efforts as the aircraft lowers.
Sondenheimer can be heard hammering on the door, but Lubitz stays quiet for the remainder of the journey.
