six planes of the same model are currently in service with various airlines we can now bring in victoria bruno an aviation engineer to get more on this site for joining us good to have you on today now from the information that's come out so far obviously speculation about lightning strikes about electrical fault etc what do you think is the most likely cause of this disaster. well i believe that i feel that the lightning strike. is the more likely. you know the the catastrophe. because you can see from the picture of so we really. on the ground. big emergency landing far is. all girls at the back of their really. the engines of the all seem to be nothing. at least not in that picture and so. the. i must say that like of the. seven thirty seven. the recently crashed the engines are quite low. below the that we saw. lee might have. problems similar to the seventy seven but doesn't seem to be the case. so i the only concrete evidence is it seems to be the lightning strike at the hit the the plane take off. just look at some of the videos that have come through all of the plane crash of the c.c.t