ROC-A Radio Operator Certificate (Aeronautical) · Question
The abbreviation 'QNH' provided by ATC refers to:
QNH is a Q-code used in aviation to provide the altimeter setting that, when set on an aircraft's altimeter, will indicate the aircraft's altitude above mean se
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Question: The abbreviation 'QNH' provided by ATC refers to:
Answer options:
- The estimated time of arrival at destination. ✅ The altimeter setting reference to sea level pressure.
- The type of weather phenomenon expected.
- The current runway heading.
Correct answer: The altimeter setting reference to sea level pressure.
Explanation: QNH is a Q-code used in aviation to provide the altimeter setting that, when set on an aircraft's altimeter, will indicate the aircraft's altitude above mean sea level at a given location.
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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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