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ROC-A Radio Operator Certificate (Aeronautical) · Question

In a Mandatory Frequency (MF) area, which action is required before entering the Control Zone?

Before entering an MF area, two-way radio communication must be established with the appropriate ATS unit to receive and acknowledge clearances or instructions.

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Question: In a Mandatory Frequency (MF) area, which action is required before entering the Control Zone?

Answer options: ✅ Establish two-way radio communication with the appropriate ATS unit

  • Monitor the MF for traffic advisories
  • Obtain a Squawk code from ATC
  • Conduct a transponder check

Correct answer: Establish two-way radio communication with the appropriate ATS unit

Explanation: Before entering an MF area, two-way radio communication must be established with the appropriate ATS unit to receive and acknowledge clearances or instructions.

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