AIRPLANE
OPERATIONS
MANUAL
FLIGHT CONTROLS
REVISION 18
2-13-35
Page
1
Code
01
SPOILER SYSTEM
Spoiler system consists of speed brake and ground spoiler
subsystems. Speed brakes allow increased descent rate and assist in
decelerating the airplane. Ground spoilers destroy lift, thus providing
better braking effectiveness.
Spoilers are electrically commanded and hydraulically actuated. A
Spoiler Control Unit is responsible for permitting the spoiler panels to
open or not. Four spoiler panels are provided, two per wing surface.
The outboard spoilers provide both speed brake and ground spoiler
functions, while the inboard spoilers provide only a ground spoiler
function. The actuation of either subsystem is fully independent.
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