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A comment on Black Boxes Are Key to Solving Plane Crashes–Why Aren't They Better?. Parent comment

Re:Black Boxes Are Key to Solving Plane Crashes–Why Aren't T... by HWR_14 on Sunday June 11, 2023 @04:59PM (#36285600)
Something physically attached (especially to the electrical system) can always theoretically interfere with the rest of the plane. If there is a fire, is the pilot just supposed to shrug as the plane goes up because he cannot interfere with the black box?
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Re:Black Boxes Are Key to Solving Plane Crashes–Why Aren't T... by dale_glass on Monday June 12, 2023 @04:19AM (#36290041)
Optical isolators exist exactly for this purpose. They're common, cheap, only work in one direction and result in no electrical connections between both sides.
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