B737Theory - Flight Spoilers. Movement around the longitudinal axis of the aircraft is accomplished by the Ailerons and the Flight Spoilers. The Ailerons are moved by the respective PCU (Power Control Unit)
JetSky Flight Simulation - Did you know: Only 6 of the 10 spoilers on the A320 are used as speed brakes in flight. The 8 outboard spoilers are used for roll control.
![What are Speed Brakes, Ground Spoilers, Roll Spoilers? | Differences Between these Control Surfaces! - YouTube What are Speed Brakes, Ground Spoilers, Roll Spoilers? | Differences Between these Control Surfaces! - YouTube](https://i.ytimg.com/vi/I9tCohSWW1Y/maxresdefault.jpg)