this plane had issued in accidents in the past concerning the air speed. >> this particular type of plane. >> this particular model. when you get to the runway, there have been instances where they haven't been able to stop this plane on the runway. it's just speculation but the pilot was concerned about the speed. you want to come in slow enough to land. having been this low and clipped a utility pole or power line doesn't make sense. why was this plane so low? saying a plane sputtered doesn't sound like this kind of a plane because there are two jet engines. there could be some problem the plane was experiencing. it does suggest an engine problem which might explain why the plane was so low. a lot of accidents with this plane happen after you have a go-round. you had a problem landing. >> we don't know that yet at this point. thank you very much. >> thank you. charges of racism on college campuses across the nation. a special report.