Tilmon: Black box device improved a lot over last 40 year...

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Tilmon: Black box device improved a lot over last 40 year...

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Tilmon: Black box device improved a lot over last 40 year...

by CNBC Videos 2:48 mins

The location of the missing Malaysia flight 370 carrying 239 people remains unknown. Former pilot & aviation expert Jim Tilmon, provides insight on current black box technology, and shares what he thinks could have happened.

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