What is Suicide by pilot?
'''Suicide by pilot''' is an aviation event in which a pilot deliberately crashes or attempts to crash an aircraft in a suicide attempt, sometimes to kill passengers on board or people on the ground. This is sometimes described as a murder–suicide.<ref name=tws>Charles Bremner (Paris), March 26, 2015, The Times, [http://www.thetimes.co.uk/tto/news/world/europe/article4393641.ece Locked door boosts pilot suicide theory] {{Webarchive |url=https://web.archive.org/web/20150327070641/http://www.thetimes.co.uk/tto/news/world/europe/article4393641.ece |date=March 27, 2015 }}. Retrieved March 26, 2015</ref> [[File:Airbus 320-Germanwings D-AIPX 2014-06-08 retouched.jpg|thumb|280x280px|This [[Airbus A320 family|Airbus A320]], operating as [[Germanwings Flight 9525]], was deliberately crashed into the [[Alps]] by a suicidal co-pilot on 24 March 2015, killing all 150 people on board.]] ==Prevention== U.S. regulations require at least two flight crew members to be in the cockpit at all times for safety reasons, to be able to help in any medical or other emergency, including intervening if a crew member tries to crash the plane.<ref>[https://www.nytimes.com/2015/03/27/opinion/reducing-risks-after-the-germanwings-crash.html Reducing Risks After the Germanwings Crash] {{Webarchive|url=https://web.archive.org/web/20170821050520/https://www.nytimes.com/2015/03/27/opinion/reducing-risks-after-the-germanwings-crash.html |date=August 21, 2017 }} (''New York Times'', March 26, 2015)</ref><ref>[https://www.theatlantic.com/international/archive/2015/03/germanwings-crash-murder-suicide-pilot/388778/ Could the Germanwings Crash Have Been Avoided?] {{Webarchive|url=https://web.archive.org/web/20161203233212/http://www.theatlantic.com/international/archive/2015/03/germanwings-crash-murder-suicide-pilot/388778/ |date=December 3, 2016 }} (''The Atlantic'', March 26, 2015)</ref> Following the deliberate crash of [[Germanwings Flight 9525]] on March 24, 2015, some European, Canadian and Japanese airlines adopted a two-in-cockpit policy<ref>[htt