1. Black Box Flight Recorder

2. Plan History Specifications Parameters' recorder Voice’s recorder Example of aviation recorders

3. History 1939 : One of the earliest and proven attempt was made by Francoise Hussenot. 1947 : Hussenot founded the « Société Francaise des Instruments de Mesure » so as to market his invention. 1953 : The Australian engineer Dr. David Warren conceived a device that would record the instruments reading and the cockpit voice. 1965 : Black boxes were redesigned and moved to the rear of airplanes.

4. Plan History Specifications Parameters' recorder Voice’s recorder Example of aviation recorders

5. Specifications EUROCAE’s specifications Be able to withstand an acceleration of 3400g for 6.5 milliseconds Penetration resistance Static crush High and low temperature fires Deep sea pressure Sea water immersion Fluid immersion

6. Plan History Specifications Parameters' recorder Voice’s recorder Example of aviation recorders

7. Parameters’ recorder 28 parameters as a minimum under current U.S. federal regulations Sophisticated aircraft could have up to 1300 parameters! Each parameter is recorded a few times per second Example of parameters: Altitude Speed Hours Pressure

8. Plan History Specifications Parameters' recorder Voice’s recorder Example of aviation recorders

9. Voice’s recorder Cockpit Voice Recorder (CVR) – Permitted to record radio communication, cockpit voice and background noise (like motor, alarm…) – Data are recorded on 4 magnetic tape channel Radio communication on channel 1 and 4 Communication with the aircrew on channel 1 Communication with the aircraft mechanic floor on channel 1, 2 and 4 Background mike on channel 3

10. Plan History Specifications Parameters' recorder Voice’s recorder Example of aviation recorders

11. Voice’s recorder

13. Black Box Flight Recorder The solution to find the cause of accidents Improve plan security The voice of a crash