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Current time: May 25, 2022, 5:22 am

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Black boxes
#11
RE: Black boxes
(August 31, 2015 at 4:23 am)pool Wrote: Can transmitting data like that be 100% secure?

Also they are ORANGE!

No data transmission is 100% secure.
"I was thirsty for everything, but blood wasn't my style" - Live, "Voodoo Lady"
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#12
RE: Black boxes
Why does it need to be secure? It only needs to be reliable.
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#13
RE: Black boxes
(August 5, 2015 at 2:21 pm)Brian37 Wrote: Some may be aware of the wing part of the Malaysian airliner that went down 17 months ago. My question is why aren't planes equipped with some sort of ejectable black box capable of floating along with the pinger?

Because you want the black box to be at the same place as the wreckage of the airplane. Normally wreckages of crashed plane is the easiest physical evidence of the crash to find. It's nice when finding the wreckage also finds the black box. Ejecting the black box also means a separate and usually more difficult search has to be mounted just for the box.

Besides, there is no reliable way to ensure the plane will eject the black box at the right time, ie just before a crash, but not if the plane recovers and flies on.
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#14
RE: Black boxes
(August 5, 2015 at 3:40 pm)AFTT47 Wrote: Probably because the robustness of the box makes it very dense. You could still encase the dense package in foam but that would make it very voluminous. It would still need to be in a location and with a mounting system to insure it breaks free from the main body of the wreck if it's under water. A pinger with a 30-day power supply is probably considered more practical.


Or a much louder pinger. With the Malaysian flight, appearently the pinger was too weak to have been audible at sufficient distance to ensure it would be heard clearly and located before it's batteries ran out.
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#15
RE: Black boxes
(September 1, 2015 at 8:12 am)Chuck Wrote: Why does it need to be secure?   It only needs to be reliable.

Because information can be abused and can be used against us by satanic people?
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