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MSN,,
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EXAMPLE
Approach on runway 09, the tower wind direction is on the runway axis.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AUTOTHRUST
A318/A319/A320/A321 FLEET DSC-22_30-90 P 15/16
FCOM 19 AUG 10
Applicable to:
IAS TARGET VALUES
If we turn the previously explained speed target definition into formulae, we obtain the following
result:
IAS TARGET = Max [VAPP, (VAPP + CURRENT HEADWIND - TWR HEADWIND)]
Current Wind in Approach IAS Target
(a) 090/50 Max [VAPP, (145 +50 -30)] = 165 kt
(b) 090/10 Max [VAPP, (145 +10 -30)] = 145 kt
(c) 270/10 Max [VAPP, (145 +0 -30)] = 145 kt
(d) 090/30 Max [VAPP, (145 +30 -30)] = 145 kt
Applicable to:
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MSN,,,,
IAS TARGET VALUES
If we turn the previously explained speed target definition into formulae, we obtain the following
result:
IAS TARGET = Max [VAPP, (VAPP + CURRENT HEADWIND - TWR HEADWIND)]
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AUTOTHRUST
A318/A319/A320/A321 FLEET DSC-22_30-90 P 16/16
FCOM 19 AUG 10
Current Wind in Approach IAS Target
(a) 090/50 Max [VAPP, (140 +50 -30)] = 160 kt
(b) 090/10 Max [VAPP, (140 +10 -30)] = 140 kt
(c) 270/10 Max [VAPP, (140 +0 -30)] = 140 kt
(d) 090/30 Max [VAPP, (140 +30 -30)] = 140 kt
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
FLIGHT MODE ANNUNCIATOR (FMA)
A318/A319/A320/A321 FLEET DSC-22_30-100 P 1/12
FCOM 19 AUG 10
FLIGHT MODE ANNUNCIATOR (FMA)
Applicable to:
GENERAL
The Flight Mode Annunciator (FMA) which is just above the PFDs, shows the status of the
A/THR, the AP/FD vertical and lateral modes, the approach capabilities, and the AP/FD-A/THR
engagement status.
After each mode change, the FMA displays a white box around the new annunciation for 10 s.
Applicable to:
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MSN,,,,
GENERAL
The Flight Mode Annunciator (FMA) which is just above the PFDs, shows the status of the
A/THR, the AP/FD vertical and lateral modes, the approach capabilities, and the AP/FD-A/THR
engagement status.
A white box is displayed for 10 s around each new annunciation. The white box display time may
be increased to 15 s in some mode reversion cases associated with an aural triple click.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
FLIGHT MODE ANNUNCIATOR (FMA)
A318/A319/A320/A321 FLEET DSC-22_30-100 P 2/12
FCOM 19 AUG 10
Applicable to: ALL
THE THREE LEFT COLUMNS
The first line shows the engaged modes in green.
The second line shows the armed modes in blue or magenta.
Magenta indicates that the modes are armed or engaged because of a constraint.
The third line displays special messages:
Messages related to flight ‐ controls have first priority:
• “MAN PITCH TRIM ONLY” in red, flashing for 9 s, then steady
• “USE MAN PITCH TRIM” in amber, pulsing for 9 s, then steady.
Messages related to ‐ the FMGS have second priority.
Applicable to:
THE FOURTH COLUMN
Displays approach capabilities in white.
Displays DH or MDA/MDH in blue.
Note: The DH or MDA/MDH value on the FMA is not rounded off: The exact value appears on
the FMA, and is the same value as the one inserted in the MCDU PERF APPR page.
Applicable to:
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MSN,,,,
THE FOURTH COLUMN
Displays approach capabilities in white.
Displays DH or MDA/MDH in blue.
Note: The DH or MDA/MDH is rounded off to the nearest 10 ft.
Applicable to: ALL
THE FIFTH COLUMN
Displays the engagement status of AP, FD, and A/THR in white.
Displays a box around FD for 10 s in case of automatic FMGC switching.
Displays A/THR in blue when autothrust is armed but not active.
Note: The FMGS synchronizes A/THR mode, AP/FD modes and approach capability to provide
identical information on both PFDs.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
FLIGHT MODE ANNUNCIATOR (FMA)
A318/A319/A320/A321 FLEET DSC-22_30-100 P 3/12
FCOM 19 AUG 10
AUTOTHRUST ANNUNCIATIONS (FMA COLUMN 1)
Applicable to: ALL
FIRST LINE
DISPLAY COLOR MEANING
MAN
TOGA
White
White box
A/THR is armed, at least one thrust lever is in TOGA detent.
MAN
FLX XX
White
White box
Blue numbers
A/THR is armed, at least one thrust lever is in MCT/FLX detent with FLX TO
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 2(116)
