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MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 299
ALL
TCAS CONTROL PANEL D/O
SEXTANT CONTROL PANEL
STBY/TA/TA/RA MODE SELECTOR
The TCAS mode of operation is selected by means of a
rotary mode selector.
- STBY position:
The advisory generation and surveillance functions are
inhibited.
- TA position:
This mode provides only traffic advisories, it doesn’t
generate any resolution advisories.
- TA/RA position:
This is the normal operating mode, it provides the
preventive and the corrective advisories in order to
avoid conflicts with other aircraft.
THRT/ALL/ABV/BLW MODE SELECTOR
Two other types of targets for TCAS traffic can be
selected by means of a rotary mode selector.
- THRT position:
The THRT function (THREAT TRAFFIC), defined as
PROXIMATE traffic, is conditioned by the presence of
a TA or RA intruder.
- ALL position:
The ALL function, defined as OTHER traffic, provides
all intruders that do not enter in the proximate, TA
and RA categories.
The TCAS surveillance envelope is expanded above or
below the TCAS equipped aircraft for Traffic Advisory.
-ABV position:
From -2700 ft to +9900 ft.
-BLW position:
From +2700 ft to -9900 ft.
In normal operation (non selection of ABV or BLW), the
vertical surveillance taken into account is between
+/- 2700ft.
TMUTCAH05-T02 LEVEL 2
EFFECTIVITY 34-43-00 Page 4
Apr 30/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 300
ALL
TCAS CONTROL PANEL D/O - SEXTANT
TMUTCAH05-P02 LEVEL 2
EFFECTIVITY 34-43-00 Page 5
Apr 30/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 301
ALL
TCAS CONTROL PANEL D/O
GABLES CONTROL PANEL
TCAS MODE SELECTOR
The TCAS mode of operation is selected by means of a
rotary mode selector.
-OFF position:
TCAS advisory generation and surveillance functions
are inhibited
- TA position:
The TCAS computer is fully operational but provides
only traffic advisories, it doesn’t generate any
resolution advisories. TA intruders are displayed on
the NDs.
- TA/RA position:
This is the normal operating mode, it provides the
preventive and the corrective advisories in order to
avoid conflicts with other aircraft.
TMUTCAH05-T03 LEVEL 2
EFFECTIVITY 34-43-00 Page 6
Apr 30/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 302
ALL
TCAS CONTROL PANEL D/O - GABLES
TMUTCAH05-P03 LEVEL 2
EFFECTIVITY 34-43-00 Page 7
Apr 30/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 303
ALL
SELF EXAMINATION
With mode selector in TA position:
A - Only traffic advisories are provided.
B - All traffic indications are provided.
C - No TCAS information is provided.
TMUTCAH05 LEVEL 2
EFFECTIVITY 34-43-00 Page 8
Apr 30/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 304
ALL
34 - NAVIGATION
34-43-00 TCAS INDICATIONS ON PFD AND
AURAL ALERTS
CONTENTS:
General
Preventive Resolution Advisory
Corrective Resolution Advisory
Aural Alerts
V/S Failure
TCAS Failure
Self Examination
TMUTCAJ01 LEVEL 2
EFFECTIVITY 34-43-00 Page 1
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 305
ALL
TCAS INDICATIONS ON PFD AND AURAL ALERTS
GENERAL
The PFD presents indications on the Vertical Speed
(V/S) scale, only in case of Resolution Advisories
(RA) detection.
The indications, given in the form of red or green
partially colored sectors, advise the crew of the
action necessary to resolve the conflict.
PREVENTIVE RESOLUTION ADVISORY
A preventive resolution advisory informs the crew to
avoid certain deviations from current vertical speed.
It can be represented by one or two red sectors on the
V/S scale.
CORRECTIVE RESOLUTION ADVISORY
A corrective resolution advisory informs the crew to
perform a vertical avoidance maneuver.
The grey background of the V/S scale is totally
replaced by red/green sectors.
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