反推装置（T／R）系统控制风扇叶片气流 的排气方向从而实现正推力和反推力。
The thrust reverser (T/R) system controls the direction of the fan air exhaust to make forward or reverse thrust.
向外转出的小叶片（1）现在更直更低，同时尾盘端板本身（3）也在后端加大了向外弯曲，以更好得引到来自前胎的气流。
The outer small turning vanes are now more straight (1) and lower, while the endplate itself is more curved towards the outside (3) at the rear to better direct airflow away from the front tyres.
但是当向前飞行时，它的旋翼将转向直升飞机的前方(如此一来，就变成朝向迎面而来的空气)，经过叶片上方的气流将比经过叶片背面的气流产生更大的升力。
But when flying forward the air passing over the blade that is advancing to the front of the helicopter (and so into oncoming air) provides more lift than the one that is retreating to the back.
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