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on the aircraft configuration (gear up or down, flaps
extended or retracted, aircraft speed in relation to
the radio height).
NOTE: The TOO LOW GEAR message has priority over the
TOO LOW FLAPS message.
TMUEGPE01-T05 LEVEL 3
EFFECTIVITY 34-48-00 Page 10
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
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ALL
EGPWS MODES - MODE 4
TMUEGPE01-P05 LEVEL 3
EFFECTIVITY 34-48-00 Page 11
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
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ALL
EGPWS MODES
MODE 5
Mode 5 provides warnings when the aircraft flight path
descends below the Glide/Slope beam during ILS
approaches.
The amplitude of the GLIDE SLOPE voice message and the
repetition rate are increased when closing to the
ground.
TMUEGPE01-T06 LEVEL 3
EFFECTIVITY 34-48-00 Page 12
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
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ALL
EGPWS MODES - MODE 5
TMUEGPE01-P06 LEVEL 3
EFFECTIVITY 34-48-00 Page 13
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
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ALL
EGPWS MODES
TERRAIN AWARENESS AND DISPLAY (TAD)(JAA & FAA)
When a terrain threat forward of the aircraft path is
detected, with respect to the aircraft position and
the local terrain database, caution and warning alerts
are triggered.
When the envelope boundaries are met the following
alerts are generated:
- Terrain Caution Alert: "TERRAIN AHEAD" is
broadcast (JAA).
- Terrain Caution Alert: "CAUTION TERRAIN,
CAUTION TERRAIN" is broadcast (FAA).
- Terrain Warning Alert: "TERRAIN AHEAD, PULL
UP" is broadcast (JAA).
- Terrain Warning Alert: "TERRAIN, TERRAIN, PULL
UP" is broadcast (FAA).
These alerts are completed by a terrain image on the
NDs:
- Red area for warnings.
- Yellow area for cautions.
TMUEGPE01-T07 LEVEL 3
EFFECTIVITY 34-48-00 Page 14
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
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ALL
EGPWS MODES - TAD
TMUEGPE01-P07 LEVEL 3
EFFECTIVITY 34-48-00 Page 15
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
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ALL
EGPWS MODES
TERRAIN CLEARANCE FLOOR (TCF)
The Terrain Clearance Floor is an increasing terrain
clearance enveloppe around the airport runway to
provide protection against Controlled Flight Into
Terrain (CFIT).
The TCF alert function complements the existing Mode
4. When TCF alert envelope is penetrated "TOO LOW
TERRAIN" is broadcast.
It is based on current A/C position, nearest runway
center point position and Radio Altitude.
TMUEGPE01-T08 LEVEL 3
EFFECTIVITY 34-48-00 Page 16
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
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UF94200
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ALL
EGPWS MODES - TCF
TMUEGPE01-P08 LEVEL 3
EFFECTIVITY 34-48-00 Page 17
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UF94200
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ALL
SELF EXAMINATION
If the voice message "TERRAIN, TERRAIN" is heard,
in which mode and configuration are you?
A - In mode 2A, with flaps down or in the
glide slope beam.
B - In mode 2B, with flaps down or in the
glide slope beam.
C - In mode 2A, with flaps not down and not
in the glide slope beam.
Which synthetic voice is broadcast in case of an
excessive rate of descent?
A - SINK RATE.
B - TERRAIN TERRAIN.
C - GLIDE SLOPE.
TMUEGPE01 LEVEL 3
EFFECTIVITY 34-48-00 Page 18
Aug 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 364
ALL
34 - NAVIGATION
34-48-00 EGPWS INDICATIONS ON ND
CONTENTS:
General
Background Display
Terrain Caution Alert
Terrain Warning Alert
Self Examination
TMUEGPG01 LEVEL 2
EFFECTIVITY 34-48-00 Page 1
Feb 28/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
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