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Originally Posted by fjasebase
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Nå er det faktisk enkelte systemer som ikke kan slås av ifølge artikkel på Telegraph. Og takk for det! I framtiden bør taleregistrator, posisjoneringsrapportering og svart boks heller ikke kunne slås av. Og data må lagres mye lenger, ikke 30 minutter. Man kan tenke seg ett regime der alt ble lagret inntil flyselskapet ga flyet tillatelse til å slette det, f.eks hver gang det landet.
At piloter skal ha komplett kontroll over et flys nødtekniske innretninger mener jeg ikke henger på greip i 2014.
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Somebody on the plane turned off ACARS [Aircraft Communications Addressing and Reporting System] and the transponder, but the system has a failsafe function which, in the absence of any activity, sends a simple ping saying “are you there… yes I am.” They probably didn’t know about it. You can’t switch it off without depowering the plane. It functions if we haven’t heard anything for an hour. [The ‘ping’ system] is built in as an additional failsafe. I don’t think it has ever been used in this way before. This is a very unique situation – somebody has manually turned off ACARS and the plane appears to have gone out to deep sea so there is no radar verification.
There is no regulatory requirement to have this technology. It would have been the simplest thing in the world to make all planes report their speed and position.
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Kilde:
http://www.telegraph.co.uk/news/worl...rash-live.html