Quote:
Originally Posted by X-37
How can they be sure that communications weredeliberatelydisabled?
It could be that a chain of events cut the ACARS, transponder and VHF and that chain caused them to turn back but the crew were themselves overcome by the events.
Quote:
Originally Posted by Golf-Mike-Mike
Exactly my post at 23:50 UTC last night that was deleted, so sadly yours and mine may now also be deleted. Just before the mods do that could someone with the 777 / electronics expertise please categorically confirm that the ACARS system and later the transponder / ADS-B systems can ONLY go offline by the "deliberate act of someone on board". The Malaysian authorities are so definite on this point they are categorically ruling out equipment failure / fire / etc.
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Yes guys, a spill of substantial water over the Aisle Stand, in the middle of the 2 pilots, would have generated many short circuits including the TCAS and all the radios and further leaking into the E&E bay would have done the rest. Including switching off all the 6 CRTs that helps the pilots for navigation.
it was night + smokes and fumes in the cockpit + no navigation display.
This scenario may be has more credit than a UFO or an asteroid impact....