311042.Aircraft on the same flying track and at the same altitude under VFR should maintain a longitudinal separation
of at least ( )
m when cruising above 250km/h.
A. 2000
B. 3000
C. 4000
D. 5000
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310902The landing weight of a B737 is 50 tons. When it is making circling holding at a 30 ° slope, its wing lift is
( ) tons.
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311303.The relationship between velocity , frequency and wave length of electric wave spread is( ).
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310842The spread of long wave and medium wave is mainly in
the form of( ).
A. sky wave
B. ground wave
C. point-blank wave
D. ground reflecting wave
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311128.—JALI75,( )
checkplease.
—JAL175, time now is 1220. C
A. ramp
B. preflight
C. time
D. maintenance
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311237.HDA947, pull in to the right, there is an Airbus ( )
you on your left. B
A. passing
B. overtaking
C. crossing
D. following
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311011.If an aircraft's identification is lost before or during a handoff, the subsequent radar controller must ( )
until the aircraft’s identification is reestablished. D
A. instruct the aircraft to climb
B. inform the aircraft to descend
C. use nonradar procedure to separate the aircraft
D. inform the transferring controller that the aircraft is
unacceptable
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311152.—Tower, CES996,( )the type of landing aircraft, it looks like a B737 from here. —It’s a 737, sorry, my strip says 727.
A. advise
B. report
C. confirm
D. inform
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311067.The difference between the temperature and the dew
point is called the( ).
A. spread
B. difference
C. separation
D. distinction
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310848The minimum horizontal separation standard in approach radar control should be( )km or more.
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