With the helicopter flying sideways Nose-Out straight and level from right to left, tumble the helicopter forward while traveling sideways, use collective to maintain altitude and speed across the ground, complete at least one(1) tumble.

• 保持机尾朝向操控者，由右向左开始横向水平飞行，将升降舵打降舵，控制主旋翼的螺距，使机体能保持固定的高度及横向速度，至少完成一个前滚翻。