ROC-A Radio Operator Certificate (Aeronautical) · Question
When is it permissible to use a cell phone for air-ground communications in lieu of an aircraft radio?
Cell phones may be used for air-ground communications only when the aircraft is on the ground and ATC approves their use. In flight, aircraft radios are the pri
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Question: When is it permissible to use a cell phone for air-ground communications in lieu of an aircraft radio?
Answer options:
- Only when the aircraft radio fails during an emergency. ✅ When the aircraft is on the ground and air Traffic Control (ATC) authorizes it.
- Never, as aircraft radios are the only approved means.
- Only at uncontrolled airports with no radio facilities.
Correct answer: When the aircraft is on the ground and air Traffic Control (ATC) authorizes it.
Explanation: Cell phones may be used for air-ground communications only when the aircraft is on the ground and ATC approves their use. In flight, aircraft radios are the primary and required means of communication.
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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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