Urgent hunt for black box a race against a battery
<p><span word="Download">Download</span></p><p><span word="Searchers">Searchers</span> <span word="for">for</span> <span word="the">the</span> <span word="missing">missing</span> <span word="Malaysia">Malaysia</span> <span word="Airlines">Airlines</span> <span word="Flight">Flight</span> <span word="MH">MH</span>370 <span word="must">must</span> <span word="gear">gear</span> <span word="up">up</span> <span word="their">their</span> <span word="hunt">hunt</span> <span word="for">for</span> <span word="the">the</span> <span word="aircraft">aircraft</span>'<span word="s">s</span> <span word="black">black</span> <span word="box">box</span>, <span word="an">an</span> <span word="aviation">aviation</span> <span word="expert">expert</span> <span word="said">said</span> <span word="as">as</span> <span word="an">an</span> <span word="Australian">Australian</span> <span word="ship">ship</span> <span word="carrying">carrying</span> <span word="equipment">equipment</span> <span word="to">to</span> <span word="locate">locate</span> <span word="the">the</span> <span word="device">device</span> <span word="set">set</span> <span word="sail">sail</span> <span word="on">on</span> <span word="Monday">Monday</span>.</p><p><span word="It">It</span> <span word="is">is</span> <span word="presumed">presumed</span> <span word="that">that</span> <span word="the">the</span> <span word="black">black</span> <span word="box">box</span> <span word="will">will</span> <span word="run">run</span> <span word="out">out</span> <span word="of">of</span> <span word="battery">battery</span> <span word="power">power</span> <span word="around">around</span> <span word="April">April</span> 7, <span word="or">or</span> <span word="April">April</span> 12 <span word="at">at</span> <span word="the">the</span> <span word="latest">latest</span>, <span word="and">and</span> <span word="its">its</span> <span word="signal">signal</span> <span word="will">will</span> <span word="then">then</span> <span word="vanish">vanish</span>, <span word="said">said</span> <span word="Wang">Wang</span> <span word="Ya">Ya</span>'<span word="nan">nan</span>, <span word="deputy">deputy</span> <span word="editor">editor</span>-<span word="in">in</span>-<span word="chief">chief</span> <span word="of">of</span> <span word="Aerospace">Aerospace</span> <span word="Knowledge">Knowledge</span> <span word="magazine">magazine</span>.</p><p>"<span word="I">I</span> <span word="don">don</span>'<span word="t">t</span> <span word="want">want</span> <span word="to">to</span> <span word="be">be</span> <span word="pessimistic">pessimistic</span>," <span word="Wang">Wang</span> <span word="said">said</span>, "<span word="but">but</span> <span word="the">the</span> <span word="fact">fact</span> <span word="is">is</span> <span word="that">that</span> <span word="without">without</span> <span word="the">the</span> <span word="signal">signal</span>, <span word="it">it</span> <span word="will">will</span> <span word="be">be</span> <span word="virtually">virtually</span> <span word="impossible">impossible</span> <span word="to">to</span> <span word="find">find</span> <span word="it">it</span>."</p><p><span word="In">In</span> <span word="the">the</span> <span word="case">case</span> <span word="of">of</span> <span word="the">the</span> <span word="search">search</span> <span word="for">for</span> <span word="Air">Air</span> <span word="France">France</span> <span word="Flight">Flight</span> 447, <span word="which">which</span> <span word="crashed">crashed</span> <span word="into">into</span> <span word="the">the</span> <span word="Atlantic">Atlantic</span> <span word="Ocean">Ocean</span> <span word="on">on</span> <span word="June">June</span> 1, 2009, <span word="nearly">nearly</span> <span word="two">two</span> <span word="years">years</span> <span word="were">were</span> <span word="required">required</span> <span word="for">for</span> <span word="retrieval">retrieval</span> <span word="of">of</span> <span word="the">the</span> <span word="black">black</span> <span word="box">box</span>, <span word="even">even</span> <span word="though">though</span> <span word="the">the</span> <span word="crash">crash</span> <span word="site">site</span> <span word="was">was</span> <span word="located">located</span> <span word="within">within</span> <span word="a">a</span> <span word="week">week</span> <span word="of">of</span> <span word="the">the</span> <span word="accident">accident</span>.</p><p>"<span word="The">The</span> <span word="French">French</span> <span word="detected">detected</span> <span word="the">the</span> <span word="signal">signal</span> <span word="sent">sent</span> <span word="from">from</span> <span word="the">the</span> <span word="black">black</span> <span word="box">box</span> <span word="before">before</span> <span word="it">it</span> <span word="lost">lost</span> <span word="power">power</span> <span word="and">and</span> <span word="determined">determined</span> <span word="the">the</span> <span word="approximate">approximate</span> <span word="site">site</span>," <span word="Wang">Wang</span> <span word="said">said</span>. "<span word="The">The</span> <span word="reason">reason</span> <span word="so">so</span> <span word="much">much</span> <span word="time">time</span> <span word="was">was</span> <span word="needed">needed</span> <span word="to">to</span> <span word="raise">raise</span> <span word="it">it</span> <span word="was">was</span> <span word="that">that</span> <span word="the">the</span> <span word="water">water</span>'<span word="s">s</span> <span word="depth">depth</span> <span word="made">made</span> <span word="it">it</span> <span word="very">very</span> <span word="difficult">difficult</span> <span word="to">to</span> <span word="finalize">finalize</span> <span word="the">the</span> <span word="precise">precise</span> <span word="location">location</span>."</p><p><span word="Even">Even</span> <span word="if">if</span> <span word="every">every</span> <span word="nation">nation</span> <span word="involved">involved</span> <span word="in">in</span> <span word="the">the</span> <span word="search">search</span> <span word="put">put</span> <span word="all">all</span> <span word="their">their</span> <span word="deep">deep</span>-<span word="sea">sea</span> <span word="submersibles">submersibles</span> <span word="into">into</span> <span word="the">the</span> <span word="operation">operation</span>, <span word="there">there</span> <span word="would">would</span> <span word="not">not</span> <span word="be">be</span> <span word="enough">enough</span> <span word="of">of</span> <span word="them">them</span> <span word="to">to</span> <span word="cover">cover</span> <span word="the">the</span> <span word="enormous">enormous</span> <span word="swath">swath</span> <span word="of">of</span> <span word="ocean">ocean</span> <span word="where">where</span> <span word="the">the</span> <span word="small">small</span> <span word="device">device</span> <span word="could">could</span> <span word="be">be</span>, <span word="he">he</span> <span word="said">said</span>.</p><p><span word="To">To</span> <span word="quickly">quickly</span> <span word="narrow">narrow</span> <span word="the">the</span> <span word="search">search</span> <span word="for">for</span> <span word="MH">MH</span>370, <span word="searchers">searchers</span> <span word="need">need</span> <span word="to">to</span> <span word="find">find</span> <span word="surface">surface</span> <span word="debris">debris</span>, <span word="he">he</span> <span word="said">said</span>.</p><p><span word="The">The</span> <span word="black">black</span> <span word="box">box</span> <span word="consists">consists</span> <span word="of">of</span> <span word="two">two</span> <span word="separate">separate</span> <span word="pieces">pieces</span> <span word="of">of</span> <span word="equipment">equipment</span>: <span word="a">a</span> <span word="flight">flight</span> <span word="data">data</span> <span word="recorder">recorder</span> <span word="and">and</span> <span word="a">a</span> <span word="cockpit">cockpit</span> <span word="voice">voice</span> <span word="recorder">recorder</span>. <span word="The">The</span> <span word="boxes">boxes</span> <span word="are">are</span> <span word="usually">usually</span> <span word="kept">kept</span> <span word="in">in</span> <span word="the">the</span> <span word="tail">tail</span> <span word="of">of</span> <span word="an">an</span> <span word="aircraft">aircraft</span>.</p>
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