Signal from gyrocompass is used to control simple aircraft autopilots .
陀螺信号用于控制飞行导航仪。
Driverless cars are very likely to be safer than ordinary vehicles , as autopilots have made planes safer .
无人驾驶汽车极有可能比普通车辆更安全，自动驾驶仪能使飞机更安全。
Because this was a test flight , and no one had proven that the autopilots could keep them from running into a mountain in the clouds , they were required to conduct the flight under vfr conditions .
Fulton had carefully arranged with the air china crew the circumstances under which they would break off the flight if it turned out that the mapping was wrong or the autopilots didn 't work or the weather got too bad .
