单选题 It is important to ensure that the phraseology employed during the taxi maneuvers cannot be interpreted as a takeoff clearance since .
A、misunderstandings in the granting and acknowledgement of takeoff clearances can result in serious consequences
B、takeoff clearance, usually cannot be delayed
C、taxi maneuvers should be done before a takeoff clearance is issued
D、the pilot is always ready for any important clearances and no mistakes will be made
单选题 When the controller wants to ensure the validity of the Mode C altitude readout, he may say “ at 7,500”.
A、verify
B、ensure
C、check
D、identify
单选题 An aircraft should be handed over from one ACC to another minutes before it flies over the hand-over point.
单选题 In the case that the missed approach is initiated by the pilot, “ ” shall be transmitted.
A、Making a missed approach
B、Going around
C、Approach failed
D、Missed approach begins
单选题 The controller will normally issue taxi instructions to the pilot .
A、before the aircraft lands
B、as soon as the aircraft touches down
C、when the landing roll is completed
D、only when the pilot requests
单选题 In order to save taxiing time for training purpose pilots may request to make a “touch and go”, which means the aircraft .
A、takes off again without actually landing
B、lands, stops and takes off again
C、lands, continues rolling and takes off after a short stop
D、lands, continues rolling and takes off without coming to a stop
单选题 After landing, the pilot should switch to ground control .
A、when instructed by the tower
B、before leaving the runway
C、on leaving the runway
D、on leaving the taxiway
单选题 It is occasionally necessary to cancel the takeoff clearance due to .
A、unexpected traffic developments
B、a departing aircraft delayed on the active runway
C、an imminent 1anding traffic
D、any condition listed above