or fatalities. we can t pass that along. it s obviously very large plane as you can see. according to some of the data we have on this boeing triple 7, it can carry as many as 451 passengers depending on which model it is. it s not immediately clear what caused the crash. we mentioned the witness who said it lost its tail. we ll be getting additional information. there was a video clip posted to youtube showing smoke coming from the jet as it was like on tarmac. some passengers, now i m getting this from kgo san francisco, channel 7, passengers could be seen jumping down the inflatable emergency slides. so that is good news to