article_snippet: As well as looking at Andreas Lubitz, lawyers for the families could question the airline's policy of not requiring at least two crew on the flight deck at all times once the aircraft is airborne.
article_snippet: understand how a serious company can let a depressed man pilot a plane.
article_snippet: On this point I am opposed to a serious company not having introduced rules saying there must always be two people in the cockpit.
article_snippet: As trusted professionals, who invest a lifelong career in making air travel safe, this is a very difficult day for Our.'
article_snippet: Randy Knipping, a Toronto-based specialist in aviation medicine, said it was extremely difficult to conduct screening for psychiatric problems among pilots, in part because pilots can put pilots careers in jeopardy by admitting to such problems.
article_snippet: Randy Knipping, a Toronto-based specialist in aviation medicine said: 'If somebody wants to withhold or conceal, there's no reasonable test.'