Germanwings co-pilot Andreas Lubitz practiced putting his aircraft into a controlled descent on a flight that preceded the jetliner crash in March, a report by French investigators says.
Flight 9525 crashed into the French Alps on March 24 with 144 passengers and six crew members aboard.
Investigators have focused on the 27-year-old co-pilot, who is suspected of locking the pilot out of the cockpit and deliberately crashing the plane. Ref. CNN
Its either he was practiscing or he changed his mind several times during that flight.