Multiple choice

Which of the following frequency ranges belongs to ILS?

  1. 108.10 MHz to 111.95 MHz

  2. 118.20 to 133.70 MHz

  3. 98.70 MHz to 107.90 MHz

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

ILS uses the VHF frequency band from 108.10 to 111.95 MHz for localizer signals, which provide lateral guidance during approach. The glideslope operates separately in the UHF band around 329-335 MHz. Options B and C represent other aviation frequency ranges (VHF airband and FM broadcast respectively).

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