题目内容

In the oceanic areas, because of separation, the overall capacity of a given route is ______.

A. increased
B. maintained
C. reduced
D. strengthened

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The procedural control uses the following information but _______ to ensure separation.

A. time
B. altitude
C. distance
D. weather

Air traffic control provides traffic ______ services to the aircraft on a time permitting basis.

A. advisory
B. warning
C. support
D. assistant

The aircraft must be placed in a flow _________ the aircraft’s route of flight.

A. parallel to
B. opposite to
C. consistent with
D. inconsistent with

The effort to place the aircraft in a flow is complicated by the following but _______.

A. crossing traffic
B. severe weather
C. special missions
D. mechanic malfunctions