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Flight Director Display........................................................................3
AFDS Status Annunciation.................................................................4
AFDS Flight Mode Annunciations......................................................5
Autopilot Control Wheel Steering ......................................................9
Autothrottle System ..........................................................................11
Automatic Flight Operations ............................................................13
AUTOMATIC FLIGHT TAKEOFF PROFILE..........................................15
Automatic Flight En Route ...............................................................16
Automatic Flight Approach And Landing.........................................16
AUTOMATIC FLIGHT APPROACH PROFILE..................................21
Go-Around........................................................................................22
AUTOMATIC FLIGHT GO-AROUND PROFILE................................27
AFS Operation In Windshear...........................................................28
Command Speed Limiting And Reversion Modes..........................29
CONTROLS AND INDICATORS ...........................................................33
Mode Control Panel (MCP)..............................................................33
Speed Controls.................................................................................34
Vertical Navigation............................................................................37
Lateral Navigation ............................................................................43
Autopilot / Flight Director (As Installed) ...........................................49
>>@ Autopilot Engage Paddles (As Installed) ........................52
Autopilot / Autothrottle Controls.......................................................53
Autopilot / Autothrottle Indicators.....................................................54
> Thrust Mode Annunciators.........................................................56
> Degraded A/T Annunciation .......................................................57
>@ Thrust Mode Annunciator (As Installed) ..............................58
AUTO FLIGHT
Sec. 6.4 TOC-2 737
Rev. 11/15/02 #41 Continental Flight Manual
> Flight Mode Annunciator Panels ................................................60
> Flight Mode Annunciators...........................................................61
>@ Flight Mode Annunciations (As Installed) ............................63
BCD Flight Mode Annunciations (FMA’s) (As Installed) .........64
AUTO FLIGHT
737 Sec. 6.4 Page 1
Flight Manual Continental Rev. 11/15/02 #41
AUTOMATIC FLIGHT SYSTEM DESCRIPTION
General
The Automatic Flight System (AFS) consists of the Autopilot Flight Director
System (AFDS) and the Autothrottle (A/T). The Flight Management Computer
(FMC) provides N1 limits and target N1 for the A/T and command airspeeds
for the A/T and AFDS.
The AFDS and A/T are controlled using the AFDS mode control panel (MCP)
and the FMC. Normally, the AFDS and A/T are controlled automatically by the
FMC to fly an optimized lateral (LNAV) and vertical (VNAV) flight path
through climb, cruise and descent.
AFS mode status is displayed on the flight mode annunciation on each pilot’s
primary display.
Autopilot Flight Director System (AFDS)
The AFDS is a dual system consisting of two individual flight control computers
(FCCs) and a single mode control panel.
The two FCCs are identified as A and B. For A/P operation, they send control
commands to their respective pitch and roll hydraulic servos, which operate the
flight controls through two separate hydraulic systems.
For F/D operation, each FCC positions the F/D command bars on the respective
attitude indicator.
MCP Mode Selector Switches
The mode selector switches are pushed to select desired command modes for
the AFDS and A/T. The ON switch light illuminates to indicate the mode
selection and that the mode can be deselected by pushing the switch again.
While a mode is active, deselection can be automatically inhibited and is
indicated by the switch being extinguished.
When engagement of a mode would conflict with current AFS operation,
pushing the mode selector switch has no effect. All AFDS modes can be
disengaged either by selecting another command mode or by disengaging the
A/P and turning the F/Ds off.
AUTO FLIGHT
Sec. 6.4 Page 2 737
Rev. 11/15/02 #41 Continental Flight Manual
Autopilot Engagement Criteria
Each A/P can be engaged by pushing a separate CMD or CWS engage switch
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