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detected in the FACs.
B - The A/THR is active with the alphafloor
protection active but with the
alphafloor detection no longer present
in the FACs.
C - The A/THR is engaged but not active
during the Take-Off phase.
TMUFGCW05 LEVEL 1
EFFECTIVITY 22-30-00 Page 8
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 40
ALL
22 - AUTO FLIGHT SYSTEM
22-00-00 AUTO FLIGHT SYSTEM CONTROL AND
INDICATING
CONTENTS:
FCU
MCDUs
NDs
PFDs
Thrust Levers
Side Sticks
Rudder Pedals
Resets
RMPs
EWD/SD
Attention Getters
TMUFGCH01 LEVEL 1
EFFECTIVITY 22-00-00 Page 1
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 41
ALL
AUTO FLIGHT SYSTEM CONTROL AND INDICATING
FCU
The Flight Control Unit (FCU) is installed on the
glareshield. The FCU front face includes an Auto Flight
System (AFS) control panel between two Electronic
Flight Instrument System (EFIS) control panels.
The AFS control panel allows and displays the
engagement of autopilots (APs) and autothrust (A/THR),
and the selection of guidance modes and flight
parameters.
NOTE: The EXPEDite pushbutton can be optionally
removed from the AFS control panel.
The two EFIS control panels control and display, for
each EFIS side (Capt and F/O), the Primary Flight
Display and Navigation Display functions (respectively
baro and Flight Director (FD) conditions, and
Navigation Display modes).
MCDUs
Two Multipurpose Control and Display Units (MCDUs) are
located on the center pedestal.
The MCDU is the primary entry/display interface between
the pilot and the FM part of the FMGC.
MCDU allows system control parameters and flight plans
to be inserted, and is used for subsequent
modifications and revisions.
The MCDU displays information regarding flight
progress and aircraft performances for monitoring and
review by the flight crew.
TMUFGCH01-T01 LEVEL 1
EFFECTIVITY 22-00-00 Page 2
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 42
ALL
AUTO FLIGHT SYSTEM CONTROL AND INDICATING - FCU & MCDUs
TMUFGCH01-P01 LEVEL 1
EFFECTIVITY 22-00-00 Page 3
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 43
ALL
AUTO FLIGHT SYSTEM CONTROL AND INDICATING
NDs
The two Navigation Displays (NDs) are located on the
main instrument panel.
The Navigation Display is built from:
- flight plan data,
- data selected via the FCU,
- aircraft present position,
- wind speed/direction,
- ground speed/track.
PFDs
The two Primary Flight Displays (PFDs) are located on
the main instrument panel.
The Flight Mode Annunciator (FMA) is the top part of
the Primary Flight Display (PFD).
Each PFD displays:
- AP/FD/A/THR engagement status on the FMA,
- AP/FD and A/THR armed/engaged modes on the FMA,
- FD orders,
- FAC characteristic speeds on the speed
scale.
TMUFGCH01-T02 LEVEL 1
EFFECTIVITY 22-00-00 Page 4
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 44
ALL
AUTO FLIGHT SYSTEM CONTROL AND INDICATING - NDs & PFDs
TMUFGCH01-P02 LEVEL 1
EFFECTIVITY 22-00-00 Page 5
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 45
ALL
AUTO FLIGHT SYSTEM CONTROL AND INDICATING
THRUST LEVERS
The thrust levers are located on the center pedestal.
The thrust levers allow the Take-Off/Go-Around (TO/GA)
modes and the autothrust to be engaged.
Two autothrust instinctive disconnect pushbuttons
located on the thrust levers allow the autothrust
function to be disengaged.
SIDE STICKS
The Capt and F/O side sticks are respectively located
on the Capt lateral panel and F/O lateral panel.
The autopilot is disengaged when the take over priority
pushbutton on the side stick is pressed or when a force
above a certain threshold is applied on the side stick.
RUDDER PEDALS
The rudder pedals are fitted in the Capt and F/O
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