Wing Fences

Wing Fences

 

small barriers on the upper surface of the wing of an airplane, placed parallel to the plane of symmetry of the aircraft. Wing fences improve the stability of the plane and its lateral controllability by interfering with the boundary-layer overflow along the expanse of the swept wing.

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References in periodicals archive ?
Two other aerodynamic tricks for flying slowly deserve mention, especially given their presence aboard personal airplanes: wing fences and vortex generators.
They often consist of items like wing fences (circled, top image), drooped wingtips, leading edge cuffs (to increase the wing's camber) and vortex generators (arrows, bottom image).
All paving, driveways, outbuildings, loose items, wing fences and clotheslines are to be removed.
It's great to wing fences but, sometimes, horses can overdo it.
European safety regulators have ordered Airbus A310 operators to check the type after at least three carriers suffered in-flight loss of wing fences. All three reported wing-fence detachment from A310-300 aircraft, says the European Aviation Safety Agency (EASA).