aufrbg it causes a different reaction than earlier models of the 737. listen. >> it's going to push the airplane up. when you push the airplane up, what action should he take to correct that rapid climb? he could have induced problems into the flight himself at that point in time. >> reporter: john goaly all points out the first officer in this ethiopian air crash had only 200 hours of flying time. compare that to a minimum of 1500 for u.s. first officers. the flight and data recorders have both been recovered. radar data shows the max 8 first climbed rapidly then descended rapidly, continuing up and down until it plummeted into the ground killing everyone on board. in the earlier october 2018 crash of an lyon air max 8, there were similar oscillating but there were also other problems that should never have taken off. yesterday's crash though the