Originally posted by 3WE
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BREAKING: EgyptAir flight from Paris to Cairo has disappeared from radar
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Originally posted by 3WE View PostHeadline: "Plane did send out distress call" "Distress signal from EgyptAir flight 804 confirmed by authorities in Cairo and US."
Critical Sentence: A posting on Egypt’s State Information Service website said investigators had “received satellite reports indicating receiving an electronic distress call from the plane’s emergency locator transmitter (ELT)”. The co-ordinates were being used to narrow down the search area, the statement said.
Distress...we have encountered a rainstorm so severe that it's just 100% water, beginning around 0 feet MSL....Distress...we have suffered some structural failures.
1- Manual activation of the ELT. It is very unlikely that the antenna of the ELT AND its wire would have remained electrically connected to the ELT throughout the crash sequence, AND that the ELT would have had time to send a signal before sinking (ELT signals cannot be detected by a satellite when the ELT antenna is under the water). But... other than the impact switch, the ELT have a manual switch in the cockpit, and a "sang froid" pilot may have had the presence of mind to manually activate it in the middle of the distress (I can't remember a case where they did, though). In that case, "sending out an electronic distress call" would be quite accurate indeed (although "signal" would have been better than "call").
2- Media BS (and I don't mean Bachelor in Science).
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New reports claim that the airplane made emergency landings prior to its tragic flight: http://www.telegraph.co.uk/news/2016...several-emerg/
Has it been determined if this claim is credible? Is it known what these ACARS messages were?
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Originally posted by scipio View PostThank you, Gabriel. Yes, I saw that. Apologies that my question was ambiguous. I was wondering if the previous emergency landings had any ACARS associated with them. If not, is it known what were the reasons for the emergencies?
If it is true, a transient arcing event might trigger smoke detection and then leave no noticeable trace. But according to that report, each occurance happened shortly ater takeoff and we can tell from ACARS that this flight had no anomalies until whatever happened near TOD.
I think it's a hoax.
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Originally posted by ultraflight View PostCan pingers be knocked off the recorders in an accident? Mentioned in this story:
http://www.bbc.com/news/world-middle-east-36481749
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--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by vaztr View PostIt's been quiet here lately, considering they'd found the pingers
The detection of the signal of the pingers does not, by itself, help a lot in the investigation of the events that led to the accident.
But they found much more than the pingers. Bodies and debris. They can tell things. For example, with AF, we knew that the plane had crashed at a high vertical speed, low forward speed, slightly nose up and with the wings mostly level, 2 years before finding the recorders.
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--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by Thom View PostYou describe perfect the landing of AF447 but how can that be done without in a flat spin ? I was long time in doubt that an airbus could perform a flat spin from 31000 feet but now the evidence is lying in the Sianai desert.
The attitude and speed vector of the AF crash I mentioned above was deducted analyzing the damage pattern in the parts that were found floating in the ocean.
--- Judge what is said by the merits of what is said, not by the credentials of who said it. ---
--- Defend what you say with arguments, not by imposing your credentials ---
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