Germanwings pilot rehearsed crashing plane on previous flight to Spain before killing all 150 onboard in Alps crash
Germanwings pilot Andreas Lubitz rehearsed putting the plane into a controlled dive in the outward flight from Germany to Spain
Germanwings co-pilot researched ‘suicide’ and ‘cockpit doors’ days before crash
All 150 people onboard the Barcelona-Dusseldorf flight died in the crash
Germanwings suicide pilot was under psychiatric care and was suffering relationship problems
Recordings from the black-box reveal that Lubitz purposefully crashed the aircraft