In aeronautics, a spoiler is a device which increases the drag and decreases the lift of an airfoil in a controlled way. Most often, spoilers are hinged plates on the top surface of a wing that can be
The inner workings of spoilers in lift dump deployment during the landing of an Airbus A320
A spoiler (the parts of the wing that are raised up) during the landing of an Airbus A321
The right wing of a Boeing 767-300ER during descent with spoilers partially deployed
Spoilers deployed to slow down for descent on a Qantas Boeing 737-800
In aeronautics, spoilerons are spoilers that can be used asymmetrically as flight control surfaces to provide roll control.
Italian Air Force Tornado with a spoileron deployed
Dassault Mirage F1 with spoileron deployed