Transcript of Hearing 12/12/97 - TWA Flight 800 Investigation

1235123becomes an option that becomes readily available to allthe fleet.CHAIRMAN HALL: Dr. Shepherd, have we looked4at JP–5?Is that something that could be incorporated56in your work?DR. SHEPHERD:We could do that, but we789101112haven’t done that at this point.CHAIRMAN HALL: All right, but we might --that is something we might want to get Mr. McSweeneyand Mr. Thomas’ input on, and that is something that weought to do as part of this –– your ongoing efforts ––that is something we ought to consider.13141516MR.on a questionIvor Thomas?talked ratherBIRKY: Mr. Chairman, could I follow upyou had asked a little while ago of Mr.After the Filipino explosion, I know weextensively about the technology of171819gaging the tank without putting wires in the tank.Is any technology being pursued, development,or what is available to do that at this time?20WITNESS THOMAS:At the present time the2122232425technologies we have looked at on the 777; we use a newtechnology called ultrasonic technology, which is inlayman’s terms a sonar pinger at the bottom of the tankthat sends a pulse of sound to the fuel servers.It bounces back down, and you time the –– youCAPITAL HILL REPORTING, INC.(202) 466-9500