FD 1 FAIL status (white) indicates that the flight director 1 has failed. A. 正确 B. 错误 查看完整题目与答案 当FCP面板上选择了XFER按钮:With the XFER pushbutton on the FCP panel selected: A. 飞行指引1是现用系统且副驾驶控制两侧飞行指引模式。Flight director 1 is the active system ...