Aerodynamics

Winglet

Definition

A vertical or angled extension at the wingtip that reduces induced drag by weakening wingtip vortices. Winglets can improve fuel efficiency by 3-5% on modern transport aircraft.

Why Winglet Matters for Pilots

Understanding Winglet is critical for passing the FAA Private Pilot Knowledge Test and performing safely in flight. Aerodynamics questions make up a significant portion of both written exams and oral checkrides. Pilots who grasp concepts like Winglet can make better decisions during all phases of flight, from takeoff to landing.

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Exam Tip

This concept is commonly tested in aerodynamics-related questions on FAA and EASA exams. Make sure you can explain Winglet in your own words for the oral exam. Practice applying this concept to real-world scenarios, not just memorizing the definition.

Related Terms

Wingtip Vortex

A circular airflow pattern created at the wingtips where high-pressure air below...

Induced Drag

Drag created as a byproduct of lift generation, caused by wingtip vortices defle...

Aspect Ratio

The ratio of wingspan to mean chord. High aspect ratio wings (long and narrow) p...

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More Aerodynamics Terms

Angle of Attack(AoA)

The angle between the chord line of an airfoil and the relative wind. As AoA inc...

Lift

The aerodynamic force perpendicular to the relative wind generated by an airfoil...

Drag

The aerodynamic force opposing the motion of an aircraft through the air. Drag h...

Parasite Drag

Drag not associated with lift production, including form drag from the aircraft ...

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