The information was extracted from content found on a computer seized by police during a search of Lubitz's home, Efe news agency reported citing the Dusseldorf city prosecutor's office.

Meanwhile, the second black box of Germanwings Airbus A320 that crashed on March 24 was found on Thursday, sources from the investigation told Efe. The second black box, which contains technical flight data records, was found by French gendarmes, who have been working at the crash site for 10 days.

The second black box will be analysed by the French Bureau of Enquiry and Analysis for Civil Aviation Safety (BEA) in Paris, Xinhua news agency reported citing French news channel BFMTV.BEA managed to extract useful data from the first black box -- the cockpit voice recorder -- retrieved last week. After analysis of the recording, it became apparent the co-pilot deliberately crashed the aircraft.

The ill-fated flight was en route from Barcelona in Spain to Dusseldorf in Germany and was operated by the Lufthansa's low-budget subsidiary, Germanwings.

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