曝光台 注意防骗
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transition level is not available).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON PFD
A318/A319/A320/A321 FLEET DSC-31-40 P 23/68
FCOM 19 AUG 10
ALTITUDE
Applicable to:
,
,
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(1) Altitude Indication
This appears both as a white moving scale, and as a green digital readout on a grey
background. Small white marks are positioned on the scale against the round values (e.g.
280, 290...). “NEG” appears in the window in white for negative values. The altitude window
changes from yellow to amber, if the aircraft deviates from the FCU-selected altitude or flight
level.
On any approach for which an MDA (MDH) is entered in the FMGS, the altitude numbers
change from green to amber, when the aircraft goes below the MDA (MDH).
(2) Vertical Deviation (magenta)
This symbol appears next to the altitude corresponding to the theoretical vertical profile
computed by the FMGC. It is displayed from the top of descent down to the MAP altitude.
The pilot can read the VDEV directly from the altitude scale. The range is ± 500 ft. When the
VDEV value exceeds ± 500 ft, the symbol stays at the range limit and the PROG page displays
the exact value.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON PFD
A318/A319/A320/A321 FLEET DSC-31-40 P 24/68
FCOM 19 AUG 10
(3) Target Altitude or Selected Flight Level Symbol (blue)
This symbol shows the FCU selected altitude (if QNH or QFE baro reference is selected) or the
selected flight level (if STD baro reference is selected.)
When the FMGC operates in the vertical managed mode, this symbol is magenta if it
represents a flight plan altitude constraint that the FMGC will follow. If the target altitude or
flight level is on the scale, the symbol is displayed and the numerical value appears inside the
symbol.
If it is off the scale, the symbol is not displayed, and the numerical value appears above or
underneath the scale.
(4) Barometric Reference
The display shows “STD” or it shows “QNH” or "QFE" and the numerical setting in
hectoPascals or inches of mercury.
It pulses when the selection made by the pilot is not correct (STD not selected above transition
altitude in climb or STD still selected in approach below transition level or 2 500 ft radio height if
transition level is not available).
METRIC ALTITUDE INDICATION
If metric reference is selected on the FCU two additional symbols are displayed on PFD.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON PFD
A318/A319/A320/A321 FLEET DSC-31-40 P 25/68
FCOM 19 AUG 10
(1) Target altitude or selected flight level (magenta or blue)
The display shows the selected altitude value in meters.
(2) Altitude indication (green)
The display shows the actual aircraft altitude value in meters.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON PFD
A318/A319/A320/A321 FLEET DSC-31-40 P 26/68
FCOM 19 AUG 10
ALTITUDE
Applicable to:
(1) Altitude Indication
This appears both as a white moving scale, and as a green digital readout on a grey
background. Small white marks are positioned on the scale against the round values (e.g.
280, 290...). “NEG” appears in the window in white for negative values. The altitude window
changes from yellow to amber, if the aircraft deviates from the FCU-selected altitude or flight
level.
On any approach for which an MDA (MDH) is entered in the FMGS, the altitude numbers
change from green to amber, when the aircraft goes below the MDA (MDH).
(2) Vertical Deviation (magenta)
This symbol appears next to the altitude corresponding to the theoretical vertical profile
computed by the FMGC. It is displayed from the top of descent down to the MAP altitude.
The pilot can read the VDEV directly from the altitude scale. The range is ± 500 ft. When the
VDEV value exceeds ± 500 ft, the symbol stays at the range limit and the PROG page displays
the exact value.
(3) Target Altitude or Selected Flight Level Symbol (blue)
This symbol shows the FCU selected altitude (if QNH or QFE baro reference is selected) or the
selected flight level (if STD baro reference is selected.)
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON PFD
A318/A319/A320/A321 FLEET DSC-31-40 P 27/68
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 3(108)
