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飞机为什么通常要求在逆风条件下起飞和着陆?

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正确答案:

因为( 1)逆风可使离地和着陆的速度减小,能缩短滑跑距离; ( 2)逆风起飞由于产生附加进气量,可增大飞机运动开始时的方向稳定性和操纵性( 3)逆风着陆增大了飞机迎面阻力,使飞机减速加快,也减小了接地速度; ( 4)逆风可增加升力,故在逆风条件下,据逆风分量的大小,可相应增加飞机载重量。

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