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新型战机高原试飞发动机停车 飞行员带火迫降

2016-05-09 13:17:10   解放军报

地面指挥员也发现飞机状态不正常,立即询问:“右发加力没接通吧?”

“是的。”李国恩一边动作一边平静地回答。

“保持好状态。”

“明白。”

没有干过飞行的人,很难明白一句“保持状态”深刻而丰富的含义。飞机出现特情,能否保持正常状态是决定性的关键。

李国恩收落架、襟翼,同时将右发油门推到最大位置,但是,情况并没有太大转机,当飞机爬升到100米左右高度时,只听得“嘭”的一声发出强烈爆音,机身剧烈振动,右发转数、温度急剧下降——是右发动机停车了。

在起飞阶段遭遇发动机停车,是最难处置的空中特殊情况之一。尽管之前李国恩也成功地处置过多次空中停车之类的特情,但在起飞过程中遭遇这种险情还是第一次。更为糟糕的是,他现在是处于高原机场,空气密度小,发动机动力较之平原机场会有相当程度的迟滞,此时哪怕任何一丝丝的操作不当或不及时都会导致灾难性后果。

地面指挥员听到李国恩的报告:右发停车。声音不高,且平静,清晰。

危急时刻的李国恩非常镇静,他迅速进行了一连串的操作:杆舵一致修正,保持飞机小角度上升以调整飞机状态;接通点火开关进行空中开车;将油门收至慢车;调整飞机方向对向机场;关掉左发加力——这一系列的动作是同时进行的。但是,空中开车没有成功。

他又进行了第二次启动,但这一次依然没有成功,仪表显示:右发报故(右发动机故障警报)。发动机发生故障了,在原因不明的情况下不能再进行空中启动。

形势急转直下:李国恩必须要凭借这仅有的一台发动机,在飞机满载的状态下返场着陆。

指挥室里,压抑的空气让众人喘不过气来,此时飞机隐藏着巨大的危机。为保证飞行员的安全,必须尽快迫降着陆。

做为一名资深试飞员,李国恩何尝不知道自己身处险境,他刚刚从起飞空停的死亡漩涡中挣脱出来,在空中每多停一秒,不可预测的潜在危险就会增加不知多少倍。可是,他更明白,这架满载的故障飞机迫降,稍有不测,无疑像是一颗重磅巨型炸弹从天而落。

这款新型的重点型号飞机,机上挂载了我国设备最先进、功能最全的验证机,是目前国内唯一的一台。必须要保住飞机,否则,无数人奋斗了数年的成果将功亏一篑。

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