Multiple choice

Which of the following factors has no effect on performance of an airplane in flight?

  1. Wind

  2. Humidity

  3. Temperature

  4. Visibility
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Visibility affects the pilot's ability to see and navigate, but does not change the aircraft's actual performance parameters. Wind, humidity, and temperature all directly affect aerodynamic performance: wind impacts ground speed and takeoff distance, humidity affects air density, and temperature affects air density and engine performance.

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