相关题目
To identify an aircraft by turning before providing radar service, the turning angle should be greater than （ ）.
Which of the following is not a usual method to establish the radar identification?
When the controller wants to ensure the validity of the Mode C altitude readout, he may say “（ ） at 7,500”.
The controller will normally issue taxi instructions to the pilot （ ） ．
After landing, the pilot should switch to ground control （ ） ．
In the case that the missed approach is initiated by the pilot, “（ ）” shall be transmitted．
In order to save taxiing time for training purpose pilots may request to make a “touch and go”, which means the aircraft （ ） ．
An aircraft should be handed over from one ACC to another （ ）minutes before it flies over the hand-over point.
It is occasionally necessary to cancel the takeoff clearance due to （ ） ．
It is important to ensure that the phraseology employed during the taxi maneuvers cannot be interpreted as a takeoff clearance since （ ） ．
