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EgyptAir Flight 804 Recorders Being Fixed
(CNN) The black boxes of EgyptAir Flight 804 -- badly damaged when they were found by searchers -- are being repaired and authorities hope they can help solve the mystery of what caused the plane to crash into the Mediterranean Sea last month. The French aircraft investigation bureau was able to fix the electronic board of the data recorder, Egypt's Civil Aviation Ministry announced on Monday. Final repairs on the cockpit voice recorder are expected to wrap up as early as Tuesday, the… (www.cnn.com) Más...Sort type: [Top] [Newest]
With virtually all other systems on an airliner having redundancy built-in, why aren't there two or more voice and data recorders installed in different parts of the aircraft? This would improve the chances of at least one of them surviving, and also increase the likelihood of finding one.
and then you have another thing that can break too ;)
I think there are better options such as a system to stream more of this data via satcom to a remote location.
I think there are better options such as a system to stream more of this data via satcom to a remote location.
Transmitting the data in realtime should be in *addition* to the FDR/CVR onboard the aircraft. There will always be circumstances where a satellite link doesn't work reliably.
Because they are expensive, and not necessary to make a plane fly.
fly profitably.
Virtually all aircraft today use VHF or UHF radios that are line of sight by nature. Take the 'data' and transpond it to a low frequency packet (like VLF or HP) and transmit that packet it in real time like LORAN. These signale don't require a satellite link as they are BLOS. The cost of transponding the signal and transmitting it will be FAR cheaper than searching the ocean by ships and planes. One 'packet' every few (5 or 10 seconds) would provide a very small search area and the data would be at the ground station already..