BERLIN, March 27 — The crash of the Germanwings flight has raised questions about airplane security protocols and even the construction of cockpits and doors in Airbus planes. Bloomberg’s David Gura explains. — Bloomberg

While officials are still trying to gather what happened exactly on Germanwings Flight 4U 9525, one thing is more certain: it might be time to reassess and update cockpit door regulations to factor in scenarios beyond hijackings.