A、 no further acknowledgement
B、 read back
C、 clearance
D、 monitor
答案:空
A、 no further acknowledgement
B、 read back
C、 clearance
D、 monitor
答案:空
A. flight plan
B. license
C. rating
D. flight progress strip
A. Cleared
B. Approved
C. Affirm
D. Correct
A. stars in the sky
B. standard traffic circuit
C. standard terminal arrival route
D. standard time of arrival
A. 3.6
B. 4.0
C. 3.2
D. 4.8
A. GACDK
B. Aircraft
C. Station
D. either B or C
A. request
B. repeat
C. I say again
D. say again
A. congestion
B. condensation
C. conformation
D. contradiction
A. overshooting
B. overpassing
C. overheating
D. overworking
C. your signal
D. your call sign
A. When an error has been made
B. When pilot feels doubt of the instructions
C. When a mistake is made and a correction can best be made by repeating the entire message
D. When transmitting a second time