超星 - L15 过关检测：词汇与结构 - 查题吧

单选题

Aircraft position reports are ______ if ATC can see an aircraft on radar.

A. required
B. necessary
C. unnecessary
D. possible

单选题

A flight operating under IFR is required to provide _______ if ATC advises a pilot that the plane is not visible on radar.

A. speed reports
B. heading reports
C. altitude reports
D. position reports

单选题

In uncontrolled airspace, IFR aircrafts separate themselves from each other by using charted _______ altitudes to avoid terrain and obstacles.

A. maximum
B. minimum
C. necessary
D. best

单选题

In the United States and Southern Domestic Airspace of Canada, airspace from 18000 to 60000 feet is _______ as class A, requiring an IFR clearance for all aircrafts.

A. designated
B. designed
C. defined
D. required

单选题

A clearance always _______ a clearance limit, which is the farthest the aircraft can fly without a new clearance.

A. defines
B. assigns
C. ensures
D. specifies

单选题

Separation may also be referred to as ________.

A. caution
B. protection
C. modulation
D. modification

单选题

The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity.

A. optimize
B. minimize
C. maximize
D. simplify

单选题

The weather is considered to be IMC when it does not ____ the minimum requirements for VMC.

A. see
B. meet
C. meet with
D. approach

单选题

To operate safely in IMC, a pilot controls the aircraft relying on ______, and ATC provides separation.

A. instruments
B. senses
C. visual cues
D. experience

单选题

Controllers ________ a set of separation standards that define the minimum distance allowed between aircraft.

A. turn to
B. rely on
C. depend on
D. adhere to

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