The B787 model has a gust suppression feature and the following statement is correct.
A.The vertical gust suppression feature is only available when the autopilot is switched on in altitude hold or VNAV level flight mode. B.Vertical gust suppression is only available in normal, and horizontal gust suppression is available in both normal and secondary modes. C.When vertical and horizontal gust suppression is in effect, the steering wheel, driving feel, and rudder move in response to enhance situational awareness. D.All of the above are correct.正确答案A
