Multiple choice

Which of the following frequencies belongs to an airport's departure control?

  1. 109.11 MHz

  2. 118.17 MHz

  3. 225 MHz

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

Airport departure control uses VHF frequencies in the range 118-137 MHz. 118.17 MHz is a valid VHF air traffic control frequency. 109.11 MHz would be used for ILS or navigation aids, and 225 MHz is in the UHF range typically used for military operations.

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