1: ( CNN ) Andreas Lubitz , the co-pilot who authorities say deliberately crashed Germanwings Flight 9525 in France , passed all his tests and medical exams and gave no voluntary indication that he was unstable or mentally ill , Lufthansa CEO Carsten Spohr told CNN Thursday . 2: That has n't been used either in this case , so all these safety nets we are so proud of here have not worked in this case ,  Spohr said . 3:  So all these safety nets ... have not worked in this case ,  Lufthansa CEO tells CNN .
1: his tests and medical exams 2: all these safety nets 3: all these safety nets