(2)
The stabilizer trim switches on each control wheel and alternate electric trim switches on the control stand provide electrical input for pitch control through the horizontal stabilizer.
(3)
The speed brake control lever provide manual input for speed control through flight and ground spoilers.
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A
747-400
MAINTENANCE MANUAL
CAPTAIN'S AND FIRST OFFICER'S CONTROL COLUMN
PILOTS' CONTROL SEE B
STAND
SEE A
FLIGHT COMPARTMENT
FLAP DN
UP
ARM 1
5
5
0 0
2 2
S
4
A
4
STABILIZER TRIM S T T STABILIZER TRIM
5 A B 6 6
8
8 R T T
POSITION INDICATOR B POSITION INDICATOR
R I 10 10 I 12 12M M 103
3
14 14
15 15 FLIGHT
DETENT 20
SPEED BRAKE
1234
CONTROL LEVER
1
1
FLAP PARKING 25BRAKE
PULL
0
0
30UP
STAB TRIM 2 - ON - 3 1234
FUEL CONTROL
APL NOSE DN
RUN RUN
A A A
U L L
T T
T CUTOFF CUTOFF
O N N
rr
CUTOUT APL NOSE UP
PILOTS' CONTROL STAND
A
A/P DISENGAGE
SWITCH
A/P DISENGAGE POSITION POSITION AILERON TRIM AILERON TRIM SWITCH
STABILIZER
INDICATOR INDICATOR
TRIM SWITCHES STABILIZER TRIM SWITCHES
CAPTAIN'S
FIRST OFFICER'S RUDDER PEDALS
RUDDER PEDALS
CAPTAIN'S CONTROL COLUMNFIRST OFFICER'S CONTROL COLUMN BB
Flight Deck Flight Controls Component Location Figure 4 (Sheet 1)
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MAINTENANCE MANUAL
Flight Deck Flight Controls Component Location
Figure 4 (Sheet 2)
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747-400
MAINTENANCE MANUAL
FLIGHT CONTROLS
AILERON TRIM
MAINTENANCE PAGE
POSITION INDICATOR
(CONTROL WHEEL)
AUXILIARY EICAS DISPLAY
Flight Deck Flight Controls Component Location
Figure 4 (Sheet 3)
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(4) The flap control lever provide manual input for lift control through leading and trailing edge flaps.
C. Flight Control Panels and Indicators
(1)
The AFCS Mode Control Panel is located at Pilots' Lightshield, P10. It allows engagement of the autopilot system to provide control of the primary flight control surfaces in various selected modes.
(2)
The Passenger Oxygen and Yaw Damper Control Panel is located at Pilots' Overhead Panel, P5; it allows engagement of yaw damper system to provide yaw control stability through the rudders.
(3)
Two stabilizer trim position indicators are located, one on each side, at the quadrant section of Pilots' Control Stand. The indicators have a green band which indicates the safe takeoff stabilizer position range. Units of stabilizer position on the indicators indicate relative position of the stabilizer for airplane nose-up and nose-down. The indicators are driven by position transmitters at the horizontal stabilizer.
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