ROC-A Radio Operator Certificate (Aeronautical) · Question
If an aircraft experiences a complete radio failure (NORDO) while in a control zone, what is the expected transponder code to activate?
In the event of a radio failure, activating transponder code 7600 signals 'radio failure' to ATC, allowing them to provide appropriate separation services.
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Question: If an aircraft experiences a complete radio failure (NORDO) while in a control zone, what is the expected transponder code to activate?
Answer options: ✅ 7600
- 7700
- 7500
- 1200
Correct answer: 7600
Explanation: In the event of a radio failure, activating transponder code 7600 signals 'radio failure' to ATC, allowing them to provide appropriate separation services.
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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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