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澳大利亚:确认疑似失联客机残骸还需两三天

2014-03-21 07:18:11   新京报

一般的水面舰艇,如果浪高根本无法搜寻,一方面人员会晕船,另一方面雷达和声呐也不能正常工作。

对飞机来说,如果雨大,飞机也不能过去。如果海况变好,飞机可以飞行得更低些,通过雷达成像来进行观察。像P-3C这样的侦察机都有一个专门用于观察的窗户,机组人员可以通过望远镜目视来看,也可以照相并比对。目前去的飞机都是固定翼飞机,不能飞得太低,所以无法进行打捞。如果能有直升机,就可以悬停打捞,但现在的距离超出了直升机的活动半径,只能是有舰艇过去,用舰载直升机打捞。但无论是我国还是澳大利亚的舰船前往疑似海域,都需要时间。

4 确定疑似物为何需48小时?

有专家认为可能是保守时间期限

北京法学会航空法学研究会常务副会长张起淮认为,官方提出48小时确认澳大利亚卫星发现的物体是否与失联的马航MH370航班有关,可能是一个保守时间期限。“卫星已经初步定位,澳大利亚、美国等军机都投入搜索,我认为48小时有些长。”

海疆专家王晓鹏称搜寻最大的困难可能来自疑似海域的复杂海况,提出48小时搜索时间,可能有这方面原因。“在海上发现飞机的残骸有两种,一是相对完整,二是分散较广,碎片不大。”如果是第一种情形,更便于空中搜索和卫星定位,而出现第二种情形,那么现在划定的搜索区域就会随着洋流变动,还可能继续扩大。王晓鹏说。

5 如果确认是残骸该怎么做?

将进一步搜寻附近有无生命迹象

北京法学会航空法学研究会常务副会长张起淮表示,目前来看,第一要位是多国配合开展搜索工作,进一步确定所发现目标是否具有MH370的特征,如果有明显的特征,那么现有的空中搜索就能锁定事件的结论。“确认了是MH370的物件就能明确这一起空难。”所以说,在这48小时里飞机和卫星的再次定位、搜索是占据主要时间的工作。张起淮介绍,如果确认了这是MH370的残骸还要进一步搜寻附近有没有生命迹象,包括一些可以作为调查依据的物件。

另据新华社消息,前中情局反恐专家杰夫·比蒂说,找到客机的尾部很重要,记录驾驶舱录音和飞行数据的黑匣子都储存在客机尾部。如果找到客机尾部,将进行拆卸。飞行数据记录其中的约17000条信息将被分析;而驾驶舱录音,虽然只有最后两个小时的录音,也将成为关键性的证明。

A08版-A09版采写(除署名外)/新京报记者闫新雨郭超李丹丹

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