—Kent Approach, 669, request a practice no-gyro PAR on Kent airport. —669, the Kent PAR is out of commission, could you accept no-gyro _______ approach.
A.ILS
B.VOR
C.NDB
D.ASR
正确答案是D
—Kent Approach, 669, request a practice no-gyro PAR on Kent airport. —669, the Kent PAR is out of commission, could you accept no-gyro _______ approach.
A.ILS
B.VOR
C.NDB
D.ASR
正确答案是D