超星 - 词汇学习一 - 查题吧

单选题

Instrument Approach Procedure charts provide pilots with the needed information to fly an ILS approach during ____ operations.

A. VFR
B. VMC
C. IMC
D. IFR

单选题

The needed information to fly an ILS approach includes the radio frequencies used by the ILS components or ____ and the minimum visibility requirements prescribed for the specific approach.

A. VOR
B. DME
C. NDB
D. navaids

单选题

ILS uses a combination of radio signals and, in many cases, high-intensity lighting ____ to enable a safe landing during Instrument meteorological conditions (IMC).

A. arrangement
B. lines
C. arrays
D. layout

单选题

An ILS consists of two ____ sub-systems, one providing lateral guidance (Localizer), the other vertical guidance (Glideslope or Glide Path) to aircraft approaching a runway.

A. individual
B. independent
C. incident
D. innovative

单选题

An ILS consists of ____ guidance (Localizer) and vertical guidance (Glideslope or Glide Path) to aircraft approaching a runway.

A. lateral
B. horizontal
C. longitudinal
D. level

单选题

Aircraft guidance is provided by the ILS receivers in the aircraft by performing a ____ depth comparison.

A. adjustment
B. modification
C. modulation
D. rectification

单选题

A localizer (LOC) antenna array is normally ______ beyond the departure end of the runway and generally consists of several pairs of directional antennas.

A. adjusted
B. supported
C. located
D. equipped

单选题

A localizer (LOC) antenna array generally consists of several pairs of ____ antennas.

A. precision
B. directional
C. non-directional
D. non-precision

单选题

Each ILS antenna ____ a narrow beam, one slightly to the left of the runway centerline, the other to the right.

A. transmits
B. sends
C. transfers
D. delivers

单选题

A glideslope or glidepath (GP) antenna array is sited to one side of the runway ____ zone.

A. threshold
B. touchdown
C. stopway
D. stopend

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