737 Flight Crew Operations Manual
Flight Controls -
System Description
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
9.20.2 D6-27370-866-EGP
Flight Control Surfaces
Pitch control is provided by:
• two elevators
• a movable horizontal stabilizer.
Roll control is provided by:
•two ailerons
• eight flight spoilers.
Yaw control is provided by a single rudder. During takeoff, the rudder becomes
aerodynamically effective between 40 and 60 knots.
TE flaps and LE flaps and slats provide high lift for takeoff, approach and landing.
Blended winglets provide enhanced performance, extended range and increased
fuel efficiency.
In the air symmetric flight spoilers are used as speed brakes. On the ground
symmetric flight and ground spoilers destroy lift and increase braking efficiency.
Flight Control Surfaces Location
FLIGHT
AILERONS
LE SLATS
SPOILERS
GROUND
STABILIZER
ELEVATORS
RUDDER
LE FLAPS
SPOILERS
TE FLAPS
BLENDED
WINGLETS
September 28, 2006
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