: NASA crash tests plane to improve emergency beacon that failed on MH-370 (VIDEO)

Источник NASA crash tests plane to improve emergency beacon that failed on MH-370 (VIDEO) Дата (7/30/2015 9:57:00 PM +00:00)

US engineers dropped a Cessna 172 airplane from a tall crane to test its emergency beacons, which are meant to activate within 50 seconds of a crash, but frequently fail.
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