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Missing plane pulse signal: Chinese patrol ship claims they heard pulse signal

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Could the missing plane have given off a pulse signal from the black box? A break in the Malaysia Airlines flight MH370 case could be made after weeks of searching and unanswered questions. On April 5, CNN reported that a Chinese patrol ship heard a ping -- potentially from the plane's black box -- while searching the vast Indian Ocean. At this point, however, the pulse has not been confirmed.

"The signal reported -- 37.5 kHz -- 'is the standard beacon frequency' for the plane's cockpit voice recorder and the flight data recorder, said Anish Patel, president of pinger manufacturer Dukane Seacom" (via CNN). While many remain hopeful, others are confused by the ping and wonder why only one was detected.

A pulse signal from the missing plane could also just be another dead end. Malaysia Airlines flight MH370 has been missing for weeks and each possible clue has turned out to be nothing. Despite satellite images of possible wreckage, nothing has been found that was positively linked to the Boeing 777. Families of those who were on board the place have little hope that their loved ones are alive but all of them want answers -- definitive answers.

Those who have heard the latest clue -- the pulse -- believe this really could be it. "This is a pinger. I've been doing this a lot of years, and I can't think of anything else it could be," said the airplane accident investigator.

More on missing plane's possible pulse signal and Malaysia Airlines flight MH370 in the video above.

© Effie Orfanides 2014

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