The phrase “Cleared via flight planned route” should not be used when granting a _______ .
A.ATC clearance
B.flight plan
C.reclearance
D.level change
正确答案是C
The phrase “Cleared via flight planned route” should not be used when granting a _______ .
A.ATC clearance
B.flight plan
C.reclearance
D.level change
正确答案是C