A、 VOR
B、 DB
C、 GS
D、 MB
答案:空
A、 VOR
B、 DB
C、 GS
D、 MB
答案:空
A. Yes
B. Affirm
C. No
D. OK
A. instruct the aircraft to climb
B. instruct the aircraft to descend
C. use non-radar procedures to separate the aircraft
D. inform the transferring controller that the aircraft is
unacceptable
A. red
B. green
C. amber
D. white
A. 4
B. 3
C. 2
D. 1
A. need not have communication with each other
B. should establish separate one-way mobile communication
channel
C. should establish separate two-way mobile communication channel
D. should establish two-way communication on the control channel
A. ATC
B. area controller
C. another pilot
D. dispatcher
A. takeoff
B. take off
C. departure
D. airborne
A. increases
B. decreases
C. is hard to determine
D. does not change
A. 1000
B. 1500
C. 2000
D. 3000
A. available
B. used
C. possible
D. served