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COMPONENT DESCRIPTION
The six-blade fan is integral with a removal base plate
attached under the transceiver mount. It is contained
in a square aluminium alloy case. It is supplied with
115VAC through the electrical circuit of the associated
transceiver.
Parasites are suppressed by a capacitor mounted on the
fan.
TMURADD01-T02 LEVEL 3
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RA COMPONENTS - FANS
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RADIO ALTIMETER COMPONENTS
RA ANTENNAE
IDENTIFICATION
FIN: - Reception : 5SA1, 5SA2
- Transmission : 6SA1, 6SA2
LOCATION
ZONE: 153
COMPONENT DESCRIPTION
The transmission and the reception antennae are
identical.
The small thickeners antenna is installed on the
aircraft’s skin.
Each antenna is supplied through a coaxial connector
linked to the transceiver.
TMURADD01-T03 LEVEL 3
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RA COMPONENTS - ANTENNAE
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THIS PAGE LEFT INTENTIONALLY BLANK.
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34 - NAVIGATION
34-43-00 TCAS PRESENTATION
CONTENTS:
Principle
Components
Indicating
Self Examination
TMUTCAB05 LEVEL 3
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TCAS PRESENTATION
PRINCIPLE
The Traffic Collision Avoidance System (TCAS) is a
system whose function is to detect and display aircraft
in the immediate vicinity and to provide the flight
crew with indications to avoid these intruders.
The TCAS indications for flight plan modifications are
in the vertical plane only.
The TCAS detects the air traffic control system or
TCAS equipped aircraft and maintains surveillance
within a range determined by its sensivity.
To evaluate threat potential of other aircraft the
system divides the space around aircraft into 4
volumes.
- OTHER TRAFFIC VOLUME.
The OTHER TRAFFIC VOLUME is the first volume providing
the presence and the progress of on intruder.
(No collision threat).
- PROXIMATE TRAFFIC VOLUME.
The proximate traffic volume is defined by a given
volume around the TCAS equipped aircraft.
(No collision threat, but in vicinity).
- TRAFFIC ADVISORY VOLUME (TA).
When the intruder is relatively near but does not
represent an immediate threat, the TCAS provides an
aural and visual information known as Traffic Advisory
(TA).
The TCAS aural messages can be inhibited depending on
higher priority aural messages.
- RESOLUTION ADVISORY VOLUME (RA).
When the intruder represents a collision threat, the
TCAS triggers an aural and visual alarm known as
Resolution Advisory (RA), which informs the crew about
avoidance maneuvers.
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TCAS PRESENTATION - PRINCIPLE
TMUTCAB05-P01 LEVEL 3
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TCAS PRESENTATION
COMPONENTS
The TCAS components are two antennae, one TCAS computer
and one TCAS/ATC control panel.
Note: The TCAS/ATC control panels shown here after are
given as examples. They may differ according to
the aircraft configuration.
TMUTCAB05-T02 LEVEL 3
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
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