>> jim hall was chairman of the n ntsb when the recommendation was made, after the investigation of several cashes determined that there was not enough cockpit data to determine what went wrong. >> the cameras would be on the instruments and on the manipulations that are made. >> we see the edging and edging more towards taking away way the privacy of the pilots. we are performing our job up there and i would rather be focused on doing my job than people seeing me. >> i hope that we won't wait until we have a similar incident resolving a united states airline and united states citizens to take the action that is necessary to provide for the safety and security of the traveling public. >> cnn.