What we know about the final moments on board Germanwings Flight 9525

WATCH ABOVE: Prosecutor describes final ‘deliberate’ moments of Germanwings 9525 crash

TORONTO — Here is what we know so far about what transpired on board Germanwings Flight 9525 in the minutes before it crashed into the Alps on Tuesday, based on information from the flight recorder. That recording was described to media on Wednesday by French prosecutor Brice Robin.

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• During the first 20 minutes of flight, the conversation was normal between the pilot and co-pilot, even playful
• According to French prosecutor Brice Robin, co-pilot Andreas Lubitz becomes “laconic” as they prepare their briefing for landing in Dusseldorf
• The pilot asks the co-pilot to take command of the plane. The noise of a seat reclining and then a door opening and closing is heard
• Within moments, the co-pilot uses the flight monitoring button to put plane in descend mode

• Soon afterwards, the pilot can be heard through the intercom system demanding to be let into the cockpit. There is no response from the co-pilot. The pilot knocks, but still the co-pilot does not respond
• As the plane continues its descent, the cockpit voice recorder picks up breathing from the co-pilot
• The control tower in Marseille attempts to contact Flight 9525 several times. There is no response from the co-pilot
• Air traffic controllers ask for the emergency transponder code 770o. Again, there is no response

• The control tower asks other planes to try to contact the plane. There is no response
• Alarms sounded to alert the crew to ground proximity
• The pilot now begins to violently knock at the door
• Screams of passengers can be heard
• Aircraft is heard striking something, believed to be slope on the ground at 700 km/h
• No distress call made
• Eight minutes after the co-pilot began the initial descent, Germanwings Flight 9525 makes impact in the Alps, killing all 150 people on board

–with files from Adam Frisk

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