When ground-air communication failure occurs, controller should _______.
A.notify the units concerned
B.maintain separation between the radio failure aircraft and other known traffic
C.consult with RTE operator
D.record the time and position
正确答案是B
When ground-air communication failure occurs, controller should _______.
A.notify the units concerned
B.maintain separation between the radio failure aircraft and other known traffic
C.consult with RTE operator
D.record the time and position
正确答案是B