New hope to find Malaysian Airlines Flight 370’s black box

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Two new signals, one picked up for five minutes and 32 seconds and the other for about seven minutes, detected by the Australian naval vessel Ocean Shield on Tuesday, are consistent with the type of data sent out by black boxes and certainly issued from a man made device. “I’m now optimistic that we will find the aircraft, or what is left of the aircraft, in the not-too-distant future”, said Angus Houston, head of a joint agency coordinating the search for the missing plane in the southern Indian Ocean . The key thing is to be able to know the exact origin of these signals: position and depth. After, at an appropriate stade of research, submarines can search the ocean floor for possible debris. According to U.S. Navy Capt. Mark Matthews , the detections indicate the device emitting the pings is somewhere within about a 12 mile radius. That equates to a 500 square mile chunk of the ocean floor, which would take the submarines about six weeks to two months to canvass, if used. Sonar buoys were dropped in a pattern near where the signals were last heard.
The batteries in Flight MH370’s black box and cockpit voice recorder are at the end of their lives. Once the batteries die, officials will have very little help to direct their search. From now, all the hopes are linked to an unpredictable chance. Even Malaysia has the role of a principal in the search and investigation, it has no technical resources to deal with black boxes. If these will be found, probably the National Transportation Safety Board lab in Washington will be asked to search for data inside.

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