Stocks to Watch:

Malaysia 370 adds to 'Live Black Box' debate

Now watching

Next video starts in : 7 Play

Malaysia 370 adds to 'Live Black Box' debate

Malaysia 370 adds to 'Live Black Box' debate
Replay video
Up next

Earnings storm bears down on Wall Street

Unlock your personal NFL Now stream by signing in to NFL.com

Malaysia 370 adds to 'Live Black Box' debate

by CNBC Videos 2:48 mins

Richard Hayden, FLYHT Aerospace Solutions director, explains how an airplane's "black box" functions and what kind of data it supplies.