A detail calculation is given of response which helicopter penetrates gust, steeps gust and with draws from gust, of helicopter trim and stability roots which is needed in calculation.

• 本文以"直九"为算例， 详细计算了直升机进入突风、沉浸突风和退出突风时的动态响应以及 计算动态响应所需的平衡参数，运动稳定性特征值，并给出了相应的 计算公式。