If a IFR flight is “cleared as filed”, that means _______ .
A.the IFR flight is cleared to fly
B.the flight plan is valid
C.the IFR flight is cleared to the planned destination
D.the IFR flight file is a new flight plan
正确答案是C
If a IFR flight is “cleared as filed”, that means _______ .
A.the IFR flight is cleared to fly
B.the flight plan is valid
C.the IFR flight is cleared to the planned destination
D.the IFR flight file is a new flight plan
正确答案是C