article_snippet: Passengers would have been soon aware of captain Patrick Sonderheimer's attempts to break into captain Patrick Sonderheimer own cockpit after Lubitz deliberately locked captain Patrick Sonderheimer outside.
article_snippet: Lubitz enabled a post-911 safety system designed to stop hijacking to bolt the cockpit door shut.
article_snippet: Air crash investigators confirmed that Lubitz, 28, programmed the Airbus A-320's autopilot to descend from 38,000 to just 100 feet, while the aircraft crossing the French coast towards the Alps, after his captain Patrick Sonderheimer left the flight deck to go to the toilet.
article_snippet: Pilots fear that Pilots will lose the public's confidence after it emerged that Lubitz deliberately flew into a mountain.
article_snippet: Klaus Radke, pictured, who knew Lubitz as a teenager said Klaus Radke, pictured, who knew Lubitz as a teenager was 'a very nice and polite young man' Recordings from the plane 's black box, found on Wednesday, reveal that co-pilot - 28-year-old German Andreas Lubitz - locked the captain out of the cockpit and intentionally destroyed a Turkish Airlines plane.
article_snippet: Andreas Lubitz's responses, initially courteous, became 'curt' when the captain began the mid-flight briefing on the planned landing of the plane . '
article_snippet: Lubitz apparently took the controls of the Airbus A320, locked the captain out of the cockpit and deliberately set the cockpit veering down from cruising altitude at 3,000 feet per minute .
highlights_snippet: Andreas Lubitz tore up a sick note on the morning of the doomed flight .
  