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PILOT AND CNN AVIATION ANALYST.
WE SPOKE YESTERDAY ABOUT ALL
THIS.
THE SIGNIFICANCE OF THIS PARTIAL
PING TO YOU IS HOW DRAMATIC?
>> IT'S REALLY A GAME CHANGER.
I REALLY BELIEVE THOUGHT IS.
HERE EASE WHAT I THINK MIGHT
HAVE HAPPENED THERE, PIERS.
THE SATCOM BOXES ARE WAY IN THE
BACK OF THE AIRCRAFT, IN THE
BACK AND UPPER COMPARTMENT RIGHT
BELOW THE SATCOM ANTENNA.
THEY'VE BEEN RECEIVING THESE
PINGS FROM THAT SATCOM ANTENNA.
A LONG WAY IN THE FRONT IS WHAT
THE ACARS IS AND THAT'S STOPPED
GIVES US INFORMATION.
IT'S ALL GATHERED AND SENDS
INFORMATION FROM THE AIRCRAFT.
WHAT I SUSPECT HAPPENED AT THIS
POINT, SATCOM IS DESIGNED THAT
WHEN SOMETHING CHANGES, WHEN
THERE'S AN EMERGENCY SIGNAL OF
ANY KIND IT STARTS TO TRY TO
CONNECT.
WHICH IS NOT WHAT WE GOT WHEN IT
FIRST MADE THAT TURN.
IT WENT AT 1:07.
IF SOME EMERGENCY HAD HAPPENED
AT THAT TIME YOU WOULD HAVE
EXPECTED IT TO THEN CONNECT.
>> DOES IT REAFFIRM OR CHANGE
YOUR POSITION WHICH YESTERDAY
YOU BELIEVED SOMETHING
CATASTROPHIC HAD HAPPENED AND
THERE PROBABLY WASN'T A
NEFARIOUS REASON BEHIND THIS?
>> ABSOLUTELY IT DOES FOR A
NUMBER OF REASONS.
BUT THE BIGGEST REASON IN MY
MIND RIGHT NOW ABOUT THIS
PARTIAL PING IS THAT THAT SATCOM
ANTENNA NOT ONLY RECEIVES
INFORMATION FROM ACARS BUT IT
GETS INFORMATION STRAIGHT FROM
THE ENGINES AS WELL.
IT DOESN'T HAVE TO GO THROUGH
THE ACARS TO GET THERE.
>> WHAT DOES THAT TELL YOU IN