A、 Before descending
B、 Before entering the approach control area
C、 After entering the approach control area
D、 Before entering the terminal area
答案:空
A、 Before descending
B、 Before entering the approach control area
C、 After entering the approach control area
D、 Before entering the terminal area
答案:空
A. request the pilot’s intention
B. transfer the aircraft to other control unit
C. clear the aircraft the first priority to land
D. separate other traffic from the aircraft
A. pilot's receiving is not always correct
B. it avoids misunderstanding
C. it makes good cooperation
D. it is in the interest of flight safety
A. 0 degree
B. 180 degrees
C. 90 degrees
D. 270 degrees
A. an airspace of defined dimensions within which flight information control service is provided
C. an airspace of defined dimensions within which flight information service and alerting service are provided.
A. regional ATMB
B. airlines
C. CAAC
D. air force
A. priority landing
B. foaming carpet
C. a low pass for visual check first
D. emergency landing
A. submit
B. fill
C. send
D. transmit
A. queuing
B. expecting
C. anticipating
D. starting up
A. 300
B. 400
C. 500
D. 600
A. transcriptions
B. transmissions
C. transitions
D. transportations