It's a long shot, but
researchers at Curtin University near Perth, Australia, have been
studying records from underwater listening devices, including those
meant to monitor for signs of underwater nuclear explosions, in an
effort to help find the missing plane.
"One signal has been
detected on several receivers that could be related to the crash," said
Alec Duncan with the university's Centre for Marine Science and
Technology (CMST).
Researchers have been
analyzing the very low frequency sound for weeks to see if it was "the
impact of the aircraft on the water or the implosion of parts of the
aircraft as it sank," Duncan said. "But (the source of the noise) is
just as likely to be a natural event."
Official: MH370 is not in ping area
Officials: Flight 370 not in search area
Low frequency signals can
travel thousands of kilometers through water under favorable
circumstances, at about 1.5 kilometers per second, Duncan said. But "at
the moment (the sound) appears to be inconsistent with other data about
the aircraft position," he said.
That's because
researchers at Curtin University believe the sound came from an area
thousands of kilometers to the northwest of the current search area in
the southern Indian Ocean. And even then, they haven't been able to
pinpoint the source.
Duncan says his team has
calculated an "uncertainty box" for the signal's origin. It's area that
stretches some 4,000 kilometers in length from southeast to northwest,
and spans some 200 to 300 kilometers in width. And he says the center is
south of the tip of India.
The university plans to
release more data about the sound on Wednesday, including an audio clip
captured by one of the listening devices, off of Perth. Duncan says his
team has sped up the recording 10 times to make it audible to the human
ear.
...CNN
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