A、 avoid possible confliction between aircraft
B、 correct the previously issued clearance
C、 cancel the flight plan
D、 expedite the traffic
答案:空
A、 avoid possible confliction between aircraft
B、 correct the previously issued clearance
C、 cancel the flight plan
D、 expedite the traffic
答案:空
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. longitudinally
B. vertically
C. by time
D. one behind the other
A. taxiways
B. runways
C. stopways
D. airways
A. top of the runway
B. end of the runway
C. out of the taxiway
D. out of the taxiway
A. transmitter
B. receiver
C. transceiver
D. transinterrogator
A. ILS
B. PAR
C. VOR
D. MLS
A. give up
B. hold
C. disregard
D. consult
A. ready
B. all right
C. ok
D. able
A. good morning
B. pass your message
C. morning
D. report your message
A. the moment when the aircraft rolls for take off
B. the moment when the aircraft rotates its nose gear
C. the moment when the aircraft lines up
D. the moment when the aircraft is airborne.