What role does turbulence play during flight?

Turbulence is a significant phenomenon in aviation that can have various effects during flight, particularly regarding aircraft handling and passenger comfort. When an aircraft encounters turbulence, the air around it becomes unstable, which can cause the plane to experience sudden changes in altitude and direction. This shaking or movement can challenge pilots as they adjust the controls to maintain steady flight.

Moreover, turbulence can affect passenger comfort by causing unease or discomfort. Passengers may feel anxious during periods of turbulence, particularly if it is severe, leading to a negative flying experience. Thus, the impact of turbulence on both aircraft handling and passenger comfort underscores the importance of understanding this aspect of flight for pilots and flight crew.

Other options present less accurate aspects of turbulence's role in flight. For example, while turbulence may influence fuel efficiency, it does not directly decrease it as suggested in another choice. Similarly, turbulence does not inherently make passengers feel unsafe, although it can create discomfort. The notion that it improves aircraft performance does not align with reality, as turbulence can complicate flight dynamics rather than enhance them. Understanding turbulence is critical for pilots to ensure safer and more comfortable flights.