The article further discusses the crash of EgyptAir 990 and the lack of periodic, formal psychological screening by many commercial airlines of all pilots and other members of a flight crew.
"Trends. The Crash of EgyptAir 990: Realities of Psychological Screening,"
International Bulletin of Political Psychology: Vol. 7
, Article 5.
Available at: http://commons.erau.edu/ibpp/vol7/iss19/5