Co-pilot “deliberately crashed” Flight 9525

The cockpit voice recorder recovered from the Germanwings flight that crashed in the French Alps indicates that the co-pilot intentionally started a descent while the pilot was locked out of the cockpit
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Airbus A320

A320 cockpit

Door lock switch

Captain (pilot) seat

Toilet

First officer (co-pilot) seat

Control stick

Galley

Cockpit door (pilot’s side)

Electric locks

Escape panel

Spy hole

Door: Reinforced doors introduced after 9/11 attacks. Cockpit can be accessed via key pad code on cabin side, but only if pilot permits door to be opened
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Sources: Airbus, wire agencies

Pictures: Flickr (creative commons), Airbus

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