FLIGHT CONTROLS
AIRPLANE
OPERATIONS
MANUAL
2-13-10
Page
6
Code
01
REVISION 38
AOM-145/1114
SYSTEM OPERATION
Pitch trim commands may be done manually through the main
switches on the control wheels or through backup switch on the control
pedestal aft panel and automatically commanded through the autopilot
or speed brake actuation.
When using the main control wheel trim switches or the backup trim
switch, it is necessary to command both halves simultaneously
because, if just one half is commanded, the control unit will not provide
any command to the actuator.
In the case of activation of any stick shaker, the pitch trim up
command will be inhibited.
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