ROC-A Radio Operator Certificate (Aeronautical) · Question
Scenario 22: What is the primary function of the aeronautical emergency frequency 121.5 MHz?
121.5 MHz is designated as the international aeronautical emergency frequency for distress and urgency communications. The correct answer is "For distress and u
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Question: Scenario 22: What is the primary function of the aeronautical emergency frequency 121.5 MHz?
Answer options: ✅ For distress and urgency communications
- For routine air-to-air advisories
- For ATIS broadcasts at major airports
- For requesting flight following services
Correct answer: For distress and urgency communications
Explanation: 121.5 MHz is designated as the international aeronautical emergency frequency for distress and urgency communications. The correct answer is "For distress and urgency communications". This capacity-fill scenario 22 reinforces the same competency for the roc-a bank and follows the certified explanation standard.
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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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