mounted. >> reporter: this is what investigators will see once the black boxes are found and data from the memory downloaded for analysis. >> we pull the data up on the screen we will see the data in a tabular format and graphical. >> reporter: black boxes find hundreds of data points about the pilot's maneuvers, speed and altitude all displayed. >> every flight data recorderer records in binary values. in order for humans to understand it we need to convert it to engineering units meaning feet for altitude, air spot recorded in knots. >> reporter: through graphs like these will learn if someone on board knows if it was a mechanical error. >> in an engine error they would be able to tell which engine