ROC-A Radio Operator Certificate (Aeronautical) · Question
What is the purpose of a 'radio check' and how should it be requested?
A radio check is used to confirm that your radio is transmitting and receiving clearly. The correct phraseology is to identify the unit you are calling and then
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Question: What is the purpose of a 'radio check' and how should it be requested?
Answer options:
- To test the radio by making a long transmission; "Radio check, how do you hear me?" ✅ To confirm readability and signal strength; "(Unit being called), (Your call sign), radio check."
- To announce an upcoming flight; "Radio check, preparing for departure."
- To request a frequency change; "Radio check, request new frequency."
Correct answer: To confirm readability and signal strength; "(Unit being called), (Your call sign), radio check."
Explanation: A radio check is used to confirm that your radio is transmitting and receiving clearly. The correct phraseology is to identify the unit you are calling and then state your call sign followed by 'radio check'.
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Question explanations
- Who is responsible for ensuring that a radio operator is qualified to operate an aircraft radio station?
- When ATC issues a clearance, what is the pilot's responsibility regarding that clearance?
- While on an IFR flightplan, ATC instructs you to 'Squawk 4321'. What is your correct read-back?
- In uncontrolled airspace, what frequency is typically used for universal communication with a UNICOM station t
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