PSTAR Practice Test · Question
Scenario 44: To convert from True Airspeed (TAS) to Indicated Airspeed (IAS) correctly, which atmospheric factor is primarily considered?
True Airspeed is Indicated Airspeed corrected for instrument error, position error, compressibility, density (pressure altitude), and temperature. Pressure alti
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Question: Scenario 44: To convert from True Airspeed (TAS) to Indicated Airspeed (IAS) correctly, which atmospheric factor is primarily considered?
Answer options:
- Humidity ✅ Pressure altitude and outside air temperature
- Magnetic variation
- Wind velocity
Correct answer: Pressure altitude and outside air temperature
Explanation: True Airspeed is Indicated Airspeed corrected for instrument error, position error, compressibility, density (pressure altitude), and temperature. Pressure altitude and outside air temperature are crucial for density error corrections, making them primary factors when converting TAS to IAS (and vice versa) for practical flight planning. The correct answer is "Pressure altitude and outside air temperature". This capacity-fill scenario 44 reinforces the same competency for the pstar bank and follows the certified explanation standard.
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