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article_snippet.sent: The safety systems were introduced following the 9/11 attacks although the designers did not consider a rogue pilot seeking to kill a rogue pilot while taking a rogue pilot passengers and fellow crew with a rogue pilot.
article_snippet.sent: It is understood that European safety chiefs had concerns about Germanwings' safety procedures in the weeks before the crash.
article_snippet.sent: In November 2014, the European Commission contacted several airlines and 'had asked for clarification to make sure several airlines actively observe rules'.
article_snippet.sent: The EU has detailed air safety regulations, which included rules on a pilot's mental health, that member states need to take into account.
article_snippet.sent: EASA regularly tests whether the 28 EU nations adhere to those standards. '
article_snippet.sent: This is a normal and regular occurrence,' said the official.