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MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 286
ALL
TCAS PRESENTATION - COMPONENTS
TMUTCAB05-P02 LEVEL 3
EFFECTIVITY 34-43-00 Page 5
Mar 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 287
ALL
TCAS PRESENTATION
INDICATING
The TCAS indications appear on the PFD and the ND.
The visual resolution and traffic advisory indications
are associated with aural indications such as "TRAFFIC,
TRAFFIC", "CLIMB, CLIMB"...
The TCAS displays only the most threatening intruders.
TMUTCAB05-T03 LEVEL 3
EFFECTIVITY 34-43-00 Page 6
Mar 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 288
ALL
TCAS PRESENTATION - INDICATING
TMUTCAB05-P03 LEVEL 3
EFFECTIVITY 34-43-00 Page 7
Mar 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 289
ALL
SELF EXAMINATION
Which aircraft are detected by the TCAS ?
A - All.
B - Only ATC Mode S equipped A/C.
C - ATC equipped A/C.
TMUTCAB05 LEVEL 3
EFFECTIVITY 34-43-00 Page 8
Mar 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 290
ALL
34 - NAVIGATION
34-43-00 TCAS DESCRIPTION/OPERATION
CONTENTS:
General
Antennae
Control Panel
Computer
ATC
Radio Altimeter
ADIRU
CFDIU
LGCIU
Indicating
Inhibition
Pin Programming
DATA Loader
Self Exination
TMUTCAF01 LEVEL 3
EFFECTIVITY 34-43-00 Page 1
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 291
ALL
TCAS DESCRIPTION/OPERATION
GENERAL
The Traffic Collision Avoidance System (TCAS)
includes:
- 1 control unit (common with ATC system),
- 1 computer,
- 2 antennae (1 top and 1 bottom).
ANTENNAE
The TCAS directional antennae provide azimuth
information on aircraft located within the TCAS
surveillance range.
They transmit at 1030 MHz and receive at 1090 MHz.
The phase and amplitude of the received signal depend
on the direction of the signal source which permits
the relative bearing of the transmitting aircraft to
be determined.
CONTROL PANEL
The operating modes of the TCAS are selected on a
common TCAS/ATC control panel.
The TCAS information is transmitted to the TCAS
computer via the ATC transponder.
COMPUTER
The TCAS computer ensures two main functions:
- a transmission/reception function for intruder
acquisition,
- a processing function for operation control.
(Digital, discrete and analog types interfaces,
intruder trajectory computation and tracking, visual
and aural alert commands).
ATC
The operative ATC Mode S transponder transmits response
to ATC ground station interrogations and data to the
TCAS.
(Baro altitude, TCAS mode from control panel, TCAS
broadcast messages).
The Mode S transponder permits communication between
the TCAS and a TCAS equipped and detected aircraft
through the communication link function for exchanging
coordination messages.
RADIO ALTIMETER
The Radio Altimeter (RA) provide radio height used as
reference to determine the computation sensitivity
level and triggers the inhibit orders.
The radio height is used in the 0 to 2500Ft range.
ADIRU
The IR part ADIRU provides the magnetic heading and
the pitch and roll attitude information to the TCAS
computer.
NOTE:
The Baro altitude is transmitted via the ATC
transponder.
TMUTCAF01-T01 LEVEL 3
EFFECTIVITY 34-43-00 Page 2
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 292
ALL
TCAS DESCRIPTION/OPERATION
TMUTCAF01-P01 LEVEL 3
EFFECTIVITY 34-43-00 Page 3
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 293
ALL
TCAS DESCRIPTION/OPERATION
CFDIU
The Centralized Fault Display Interface Unit (CFDIU)
allows testing and trouble-shooting of the TCAS through
the MCDU.
The tests are only available on ground.
　
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