词汇与结构Instrument Approach Procedure charts (or approach plates) are ____ for each ILS approach.
A. published
B. revealed
C. broadcast
D. released
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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
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