the mystery of what happened to the airasia jet is renewing calls for better tracking devices aboard airliners. cnn business correspondent alison kosik looked into the available technology. >> reporter: right now when an airplane disappears the story of what went wrong vanishes with the black box. but what if we had those answers all along? >> we would know where the aircraft has gone where it is and we would have information on what happened in the meantime. >> reporter: canadian company flight makes live streaming data recorders that send information in real time. it's part of a satellite-based system that monitors a plane's exact location engine conditions and more. >> the system transmits every