Air India plane crash investigators find the first of the "black boxes" from the Boeing 787-8 that slammed into buildings, killing all but one of the 242 people on board.

Iran conflict are casting a shadow over what was supposed to be a relatively upbeat Paris Air Show. Air India Flight 171 was the first-ever deadly crash of a Boeing 787 Dreamliner. Boeing CEO Kelly Ortberg and Stephanie Pope,

Viswashkumar Ramesh was the only passenger out of 242 people on board the Boeing 787-8 Dreamliner to walk away from the tragedy.

As India makes a thorough sweep of its fleet, the United States has already made a decision on Boeing 787s in use around the country. Officials from the U.S. determined they have not seen any immediate safety data that would require halting Boeing 787 flights following the accident, according to Reuters .

Air India and Boeing are in the midst of significant turnarounds, but knowing the cause of the crash of Flight 171 will take a lengthy investigation.