题目内容

词汇与结构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

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词汇与结构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

词汇与结构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

词汇与结构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

词汇与结构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