Developments surrounding the Tuesday crash of a Germanwings A320 Airbus, which killed all 150 passengers on board, took a surreal turn on Thursday. The picture of how the aircraft, which was said to be "in perfect technical condition," crashed amid relatively clear skies came into focus as investigators and prosecutors revealed that they believe the crash was intentional. What the black box revealed In a press conference on Thursday, Marseille prosecutor Brice Robin detailed the contents of the plane's audio, which revealed that the commanding pilot had apparently been locked out of the cockpit by the co-pilot prior to the crash, citing an audio tape recovered from the plane's black box recorder.