article_snippet: Lubitz's responses, initially courteous, became 'curt' when The captain of the Germanwings plane which crashed into the Alps began the mid-flight briefing on the planned landing of the plane.
article_snippet: Lubitz uses the flight monitoring system to start the plane's descent, an action which can 'only be done voluntarily'.
article_snippet: Through the on-board intercom system, the pilot is heard trying to regain entry to the cockpit, but there is no answer from Lubitz.
article_snippet: Lubitz had just 600 hours of flying experience after joining Germanwings in 2013 straight from training.
article_snippet: Lubitz was, however, highly regarded, having won an award from the Federal Aviation Administration in 2013 for Lubitz outstanding flying skills.
highlights_snippet: Death was instant'
  Co-pilot was named today as 28-year-old German Andreas Günter Lubitz .