What does "wake turbulence" refer to?

• A. Winds caused by thunderstorms
• B. Disturbances in the air caused by aircraft
• C. Air quality issues affecting flight safety
• D. Regular weather patterns observed at airports

Answer: (B)

Wake turbulence refers specifically to the disturbances in the air that are generated by the passage of an aircraft through the atmosphere. These disturbances occur as a result of the airflow around the wings and body of the aircraft, particularly when it generates lift. As an aircraft moves, it creates vortices—rotating columns of air—that descend and spread outward from the tips of its wings. These vortices can pose a significant hazard to following aircraft, especially smaller ones, since the effects of wake turbulence can be felt several seconds to minutes after the generating aircraft has passed.

Understanding wake turbulence is essential for air traffic control and pilot safety, as it requires careful separation between aircraft during takeoff and landing phases to prevent accidents or loss of control. The knowledge of wake turbulence aids in flight planning and traffic management within airspace, ensuring safe operations around busy airports and during high-traffic scenarios.