current fleet worldwide and boeing has approximately 5100 orders for this aircraft. we can't ignore the similarities in the events that led to both aircraft being lost. we shouldn't jump to conclusions, but we can't ignore those anomalies. now the faa, engineers and staff, boeings' engineers, they'll be looking at the test data that went into certifying the aircraft for flight with passengers, and they will be reviewing all of the accident data as well. >> sandra: when it comes to the training involving that new technology as you're describing that brings the nose of the plane up and down which i understand put in place to accommodate for the larger engine size in these airplanes that would increase fuel efficiency, which is why the airlines were really seeking this plane to begin with, what