Flap

Definition

A hinged surface on the trailing edge of the wing that increases both lift and drag when extended. Flaps allow slower approach speeds and steeper descent angles while maintaining a manageable pitch attitude.

Related Terms

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...

Slat

A movable panel on the leading edge of the wing that extends to increase the win...

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