Maryland Company Sends Locator to Plane Search

March 27, 2014 10:24 PM
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Experts say no one will really know what happened to Malaysia Airlines Flight 370 until the black box - the flight recorder - is retrieved. Time is running out because that flight recorder only emits an audible signal - a ping - for 30 days. The U.S. Navy has deployed one of its "pinger locators" to the Indian Ocean. VOA's Carolyn Presutti reports.