ATPL: Spoilers installed on a typical large transport aeroplane are:
Domanda 43, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| Lower Wing Surface Devices And Their Deflection Can Be Symmetrical Or Asymmetrical. |
| Upper wing surface devices and their deflection can be symmetrical or asymmetrical. |
| Upper Wing Surface Devices And Their Deflection Is Always Asymmetrical. |
| Lower Wing Surface Devices And Their Deflection Is Always Asymmetrical. |
