Pings did not come from Flight 370′s black boxes

NEW YORK (CNN) – A huge setback in the search for Malaysian airlines flight 370 Wednesday. U.S. Navy officials discover underwater pings detected during the search did not come from the missing plane.

It was the most promising lead and now we know it’s false.  New information the U.S. Navy has concluded these four underwater signals were not from the missing plane’s black boxes.

From the U.S. Navy standpoint, these sounds were most likely not from the black boxes?

“Yes, I’d have to say at this point based on the imagery data we have if this blackbox was nearby we would pick it up,” Michael Dean, U.S. Naval Deputy Director for salvage and diving said.

When detected in April the pings boosted confidence the plane would be found.

“The four signals, previously acquired, taken together constitute the most promising lead,” Australian chief search coordinator Angus Houston said.

Now the navy says the sounds could have been from the search ship itself or other electronics.

We may very well have been in the wrong place but again at the end of 30 days there was nothing else to listen for.

After searching 329 square miles of ocean floor the bluefin 21′s mission is over.  The search continues in August when private companies take over.

Meantime a potential new lead, CNN has learned a sound that could have been the plane crashing was detected by underwater microphones.

Our analysis is designed to detect nuclear events and earthquakes and my understanding is Curtin University is looking at the data specifically to find if there is any evidence of any impact from the Malaysian aircraft.

The United Nations nuclear test ban organization has a network of 11 hydrophone stations that pick up many sounds, even ice breaking thousands of miles away in Antarctica, but could it hear a plane hitting the water?

It’s possible, but the circumstances that would allow it would have to be very particular.

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