Andreas Lubitz called 'courteous' in leadup to crash

Andreas Lubitz

Andreas Lubitz, the 28-yer-old German national from Rhineland who has been fingered as the man at fault for purposely crashing the Germanwings plane and killing all 150 aboard, didn't have terrorist ties, one investigator said.

Lubitz "had no reason to do it," said Brice Robin, Marseille prosecutor, International Business Times reported. "Nothing to suggest this was a terrorist act."

Robin also told the Mirror he's not aware of what Lubitz's religious beliefs or affiliation had been, but said: "I don't think that's where the answer to this lies."

At the same time, Robin said investigators are waiting for more information from German authorities about Lubitz's past, his affiliations and any other details about his life that could prove pertinent.

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Robin confirmed Lubitz "manipulated the flight monitoring system to voluntarily start descent of the plane. He did it in a deliberate way. We could hear [on the cockpit recording] appeals from the pilot to access the cockpit, but no response from the cockpit."

What's also known is that Lubitz was strangely quiet and courteous to the captain – identified in the Telegraph as Patrick S., a father of two – in the leadup to the crash, according to cockpit recordings of the plane's last 30 minutes of flight.

Robin said, the Mirror reported: "We have managed to get the transcript of the last 30 minutes. In the first 20 minutes, the pilots [Lubitz and Patrick S] talk in a normal fashion, being courteous with each other, like two normal pilots during a flight. Then we hear the command [Patrick S] asking the co-pilot [Lubitz] to take over and we hear the sound of a chair being pushed back and a door closing. So we assume that he went to the loo or something. So the co-pilot at that moment is on his own, in charge of the plane, and it's while he's alone ... that he uses the flight monitoring system, which starts the descent of the airplane."

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Robin then reiterated that type of action "can only be done voluntarily," the Mirror reported.

Other media also reported the cockpit audio indicated Lubitz was breathing quietly and normally in the moments before the crash, though a Fox News analyst refuted that point, saying the recording could not possibly indicate that.

German media outlets quoted sources as saying Patrick S was "one of the best," the Telegraph reported.

Lubitz, meanwhile, was described as "young," with 630 flight hours. He joined Germanwings in September 2013 right after graduating Lufthansa Flight Training School in Bremen, the same place the captain – who had over 6,000 flight hours – had attended.

The German flying club Lubitz belonged to, the Luftsportclub Westerwald, released a statement that seemed complimentary about his service, but gave few clues into the reason he careened the plane into the ground.

"Andreas died as first officer on the tragic flight. Andreas became a member of the association as a teenager," the Telegraph reported, citing the Luftsportclub statement. "He wanted to realize his dream of flying. He began as a gliding student and made it to become a pilot on an Airbus 320. He was able to fulfill his dream, the dream he has now so dearly paid for with his life. The members of the LSC Westerwald mourn Andreas and the other 149 victims."

The mayor of Montabaur told various media outlets Lubitz kept a second home in Dusseldorf.