要使用CDFA技术，飞机必须具备？Using CDFA,the aircraft should have？
A.VNAV进近的相关设备。VNAV equipments
B.实现FPA（飞行航径角）功能的相关设备。FPA equipments
C.传统非精密进近所需的设备。equipments for conventional NPA
正确答案是C
要使用CDFA技术，飞机必须具备？Using CDFA,the aircraft should have？
A.VNAV进近的相关设备。VNAV equipments
B.实现FPA（飞行航径角）功能的相关设备。FPA equipments
C.传统非精密进近所需的设备。equipments for conventional NPA
正确答案是C