ROC-A Radio Operator Certificate (Aeronautical) · Question
Scenario 4: What is the common frequency used for UNICOM services in Canada?
UNICOM frequencies are typically 122.8 MHz or 122.7 MHz in Canada, providing advisory services at uncontrolled aerodromes. The correct answer is "122.8 MHz". Th
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Question: Scenario 4: What is the common frequency used for UNICOM services in Canada?
Answer options: ✅ 122.8 MHz
- 121.5 MHz
- 126.7 MHz
- 123.2 MHz
Correct answer: 122.8 MHz
Explanation: UNICOM frequencies are typically 122.8 MHz or 122.7 MHz in Canada, providing advisory services at uncontrolled aerodromes. The correct answer is "122.8 MHz". This capacity-fill scenario 4 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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