article_snippet.sent: Investigators believe 27-year-old co-pilot Andreas Lubitz deliberately crashed the Airbus A320 after locking the captain out of the cockpit.
article_snippet.sent: Data from the second black box recorder found that 27-year-old co-pilot Andreas Lubitz used the automatic pilot to put A replacing plane coming from Hamburg into a descent and accelerated the doomed airliner into the mountain.