You've most likely flown aboard an Airbus A320, the kind of jet that crashed in the French Alps on Tuesday with 150 people onboard.It is one of the world's most widely used aircraft, having embarked on more than 85 million flights worldwide, and has found a place on the tarmac of virtually every U.S. airline. Aircraft in the A320 family either take off or land every 2.5 seconds, Airbus data show.Read full article >>