US FAA last week mandated "significant upgrades" to aircraft cockpit voice and flight data recorders. All voice recorders in aircraft carrying more than 10 people must capture the last 2 hr. of cockpit audio instead of the current 15-30 min. New rule also requires an independent backup power source for voice recorders to allow continued recording for 9-11 min. if all power sources are lost or interrupted. "Voice recorders also must use solid state technology instead of magnetic tape, which ...

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