DESCRIPTION
General 04−10−1
Guidance Panel 04−10−2
Autopilot System 04−10−4
Autopilot 04−10−5
Yaw Damper 04−10−6
Autopilot Engage 04−10−7
Autopilot Disengage 04−10−8
PFD Annunciation 04−10−9
Flight Director (FD) 04−10−11
Flight Director Modes 04−10−12
Modes of Operation: (Lateral) 04−10−13
Roll (ROL) Mode 04−10−13
Heading Select (HDG) Mode 04−10−13
Lateral Navigation Modes 04−10−14
Very High Frequency OmniDirectional
Range (VOR) Mode 04−10−15
Localizer (LOC) Mode 04−10−17
FMS Lateral Navigation (LNAV) Mode 04−10−19
Back Course (BC) Mode 04−10−21
Modes of Operation: (Vertical) 04−10−23
Pitch Hold (PIT) 04−10−23
Vertical Speed (VS) Select 04−10−23
Altitude Select (ASEL) Mode 04−10−24
Altitude Hold (ALT) Mode 04−10−24
Flight Level Change (FLC) Mode 04−10−25
Vertical Navigation (VNAV) Mode 04−10−27
MultiAxis
Modes 04−10−28
Approach (LOC/GS, VAPP) Modes 04−10−28
ILS 04−10−28
VOR Approach (VAPP) Mode 04−10−28
Approach Mode 04−10−29
TakeOff
(TO) Mode 04−10−30
Go Around (GA) Mode 04−10−30
Automatic Emergency Descent Mode (EDM) ( Optional) 04−10−32
Autopilot − Flight Director EICAS Messages 04−10−34
AUTOMATIC FLIGHT CONTROL SYSTEM
TABLE OF CONTENTS
CHAPTER 4
04−00−1
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
04−00−1
Page
TABLE OF CONTENTS
EMS CIRCUIT PROTECTION
CB − AFCS System 04−20−1
AUTOMATIC FLIGHT CONTROL SYSTEM
TABLE OF CONTENTS
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
04−00−2
Page
GENERAL
The Automatic Flight Control System (AFCS) provides dual channel autopilots, dual yaw dampers,
dual flight directors and automatic pitch trim. The autopilot and yaw damper functions, operate in an
active standby mode, with only one channel active at a time. All computations are performed by 2
Flight Guidance Computers (FGC), located in the Integrated Avionics Computer (IAC). The FGC
receives inputs from the Electronic Flight Instrument System (EFIS), the Air Data Computers (ADC),
from the Inertial Reference System (IRS), from the Flight Management System (FMS), from the Fault
Warning Computer (FWC) and the Data Acquisition Unit (DAU).
Selection for all AFCS functions are made on the guidance panel, located on the glareshield.
Guidance Panel
GF0410_001 SPD
PUSH CHG
CRS 1 FMS MAN
PUSH DCT
HDG
PUSH SYNC
DN
UP
ALT CRS 2
PUSH DCT
The AFCS functions controlled by the FGC include:
· Flight director modes.
· Guidance references.
· Engagement of the autopilot and yaw damper functions.
· Selection of left or right Primary Flight Display (PFD) data to be used by FGC.
Through the flight computer, the AFCS will provide flight guidance outputs for display on the Primary
Flight Display (PFD). The flight director functions are as follows:
· Mode selection.
· Computation of guidance.
· Data management and source selection.
· Command bar output for display.
If an autopilot/flight director mode is armed or engaged, the annunciator on the appropriate button is
illuminated.
Indicates HDG mode
is armed or engaged
Indicates FLC mode
is armed or engaged
GF0410_002
FLC HDG
SPD
PUSH CHG
FMS MAN HDG
PUSH SYNC
AUTOMATIC FLIGHT CONTROL SYSTEM
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
04−10−1
GUIDANCE PANEL
Speed (SPD)
Button
Used to set speed on
PFD (manually or by use
of FMS).
MAN
Airspeed reference
set by turning inner knob.
FMS
Airspeed reference set
by FMS.
PUSH CHG
When inner knob
pushed, changes IAS to
Mach or Mach to IAS.
Flight Director (FD)
Switch
Used to remove flight
director command bars
from the PFD not selected
by the flight director.
Flight Level Change (FLC)
Switch
Used to select airspeed hold
mode. Overrides all active vertical
　
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