recommendation has gone nowhere beyond being a suggestion. >> this information would be limited to accident investigation use and otherwise would not be available for viewing by anyone. >> reporter: jim hall was chairman of the ntsb when the recommendation was made. after the investigation of several crashes found there wasn't enough cockpit data to determine what went wrong. >> the cameras would not be on the face of either of the pilot or the co-pilot. they would focus on the instruments and on the manipulations that are made. >> we constantly see the edging and edging more towards taking away the privacy of our pilots. we're performing our job up there. i would rather be focused on doing my job than what people are seeing. >> reporter: yet safety as a higher priority than pilot privacy. >> i hope that we won't wait until we have a similar incident involving a united states