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UF94200
EFFECTIVITY Page 105
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FLIGHT ENVELOPE DATA ON PFD
ALPHA MAX SPEED
It is defined by the top of a red strip along the speed
scale.
It represents the speed corresponding to the maximum
angle of attack that may be reached in pitch normal
law.
This speed is computed in pitch normal law by the FACs.
Vmax
It is defined by the lower end of a red and black strip
along the speed scale and determined by the FACs.
Vmax represents the lowest of the following values:
- VMO (Maximum operating speed) or the speed
corresponding to MMO (Maximum operating Mach)
- VLE (Maximum landing gear extended speed)
- VFE (Maximum flap extended speed)
VSW
It is defined by the top of a red and black strip along
the speed scale.
It represents the speed corresponding to the Stall
Warning.
VSW information is inhibited from touch down up to
five seconds after lift-off.
It is computed in pitch alternate or pitch direct law
by the FACs.
TMUFACI02-T01 LEVEL 3
EFFECTIVITY 22-60-00 Page 4
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
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THIS PAGE INTENTIONALLY LEFT BLANK
TMUFACI02 LEVEL 3
EFFECTIVITY 22-60-00 Page 5
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
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DECISION SPEED V1
The decision speed V1 is shown by a cyan symbol.
It is manually inserted by the crew through the MCDU.
When out of indication range, it is digitally shown
on the upper part of the scale. It is removed after
lift-off.
MINIMUM FLAP RETRACTION SPEED
This speed is represented by a green -F symbol.
It is available when the FLAP selector is in position
3 or 2.
It is computed by the FACs.
MINIMUM SLAT RETRACTION SPEED
This speed is represented by a green -S symbol.
It is available when the FLAP selector is in position
1.
It is computed by the FACs.
VFE NEXT
Two amber dashes show the predicted VFE (Maximum flap
extended speed) at the next flap/slat position.
It is provided by the FACs and only displayed when the
aircraft altitude is below 15000 ft.
GREEN DOT
This is the engine out operating speed in clean
configuration.
It is displayed in flight only by a green dot.
It represents the speed corresponding to the best lift
to drag ratio.
TMUFACI02-T02 LEVEL 3
EFFECTIVITY 22-60-00 Page 6
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
EFFECTIVITY Page 108
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FLIGHT ENVELOPE DATA ON PFD
TMUFACI02-P02 LEVEL 3
EFFECTIVITY 22-60-00 Page 7
Mar 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
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EFFECTIVITY Page 109
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SELF EXAMINATION
How is the speed trend displayed?
A - By a green dot.
B - By a yellow arrow corresponding to the
speed in 15 seconds.
C - By a yellow arrow corresponding to the
speed in 10 seconds.
What do the two amber dashes represent?
A - The optimum manoeuvering speed.
B - The maximum flap extended speed at next
flap/slat position.
C - The maximum selectable speed for a given
configuration.
Is the green dot displayed on ground?
A - No, it is displayed only in flight.
B - Yes, provided the engines are running.
C - No, it is displayed only in flight with
slats and flaps extended.
TMUFACI02 LEVEL 3
EFFECTIVITY 22-60-00 Page 8
Mar 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
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22 - AUTO FLIGHT SYSTEM
22-60-00 FAC WARNINGS
CONTENTS:
FAC 1 (or 2) Fault
FAC 1 and 2 Fault
Yaw Damper 1 (or 2, or Sys) Fault
Rudder Trim 1 (or 2, or Sys) Fault
Rudder Travel Limitation 1 (or 2, Or Sys) Fault
Windshear Detection
Windshear Detection Fault
Low Energy Warning
TMUFACL08 LEVEL 1
EFFECTIVITY 22-60-00 Page 1
Dec 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
UF94200
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FAC WARNINGS
TMUFACL08-P01 LEVEL 1
EFFECTIVITY 22-60-00 Page 2
Dec 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 22 AUTO FLIGHT SYSTEM
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