Malaysia Airlines flight recorder beacons send signals for 30 days before batteries die

By Ashley Halsey III, March 11, 2014

Search teams hunting for the Malaysia Airlines jetliner believed to have plunged into the ocean have about 30 days to find the cockpit recorders before the tracking signals they emit go dead.

That is the battery life of the two recorders. One provides the last two hours of audio from the cockpit, and the other contains all of the flight data.

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