Questions and Answers
At what point should you set the altimeter to the current altimeter setting in the Standard Pressure Region?
At 0.78 Mach with wind 27050-45 and westbound heading, how long will it take to travel 150NM?
What is the time of useful consciousness at 20,000 feet?
If the airspeed drops to zero during climb, what is the most likely cause?
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Which of the following conditions is required to calculate maximum payload?
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Study Notes
ATPL Concepts
Altimeter Setting
- In the Standard Pressure Region, set the altimeter to the current altimeter setting just prior to commencing descent to land.
Mach Calculation
- To calculate time for 150NM, consider Mach 0.78, wind 270° 50 knots, and westbound heading; the answer is 22 minutes.
Hypoxia
- At 20,000 feet, the time of useful consciousness is between 5-12 minutes.
Airspeed Indication
- If airspeed drops to zero during climb, it may indicate a pitot blockage with an open drain.
Aircraft Performance
- The maximum take-off weight is 8900 kg.
Payload Calculation
- Maximum payload is calculated by subtracting the basic operating weight (2752 kg) from the maximum zero fuel weight.
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Description
Practice questions for the ATPL aviation exam, covering topics such as altimeter settings, mach calculations, conscious time at high altitudes, airspeed, and take-off weights.
