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(3) Actual Track Symbol
This symbol is a small green diamond.
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 35/68
FCOM 19 AUG 10
FLIGHT PATH VECTOR
Applicable to: ALL
(1) Flight Path Vector (FPV)
This symbol appears, when the pilot selects TRK/FPA on the FCU.
The flight path vector represents the lateral and vertical trajectory of the aircraft with respect to
the ground.
On the lateral scale, ‐ it indicates the aircraft’s track.
‐ On the vertical scale, it indicates the aircraft’s flight path angle.
Example : The aircraft flies a track of 009 (heading 360 °, wind from west) and descends
with a flight path angle of minus 7.5 °.
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 36/68
FCOM 19 AUG 10
GUIDANCE
Applicable to: ALL
Two completely different flight director modes are available, each with its own characteristic symbols.
The symbol displayed corresponds to the basic operating reference the pilot has selected – either
HDG V/S or TRK FPA.
In normal operation, PFD1 displays FD1 orders.
If FD1 fails, PFD1 automatically displays FD2 orders on PFD1, the FD2 indication in the right column
of the FMA flashes for a few seconds.
This is also applicable to FD2 orders, that are displayed on PFD2.
IF THE CREW HAS SELECTED HDG V/S TO BE THE BASIC REFERENCE :
The PFD displays FD bars in green. They automatically move out of view at touchdown in ROLL
OUT mode.
They flash for 10 s, and then remain steady, if the following occur :
A reversion to the HDG V/S basic ‐ mode (manual or automatic), or
‐ The selected flight level is changed, when ALT CAPTURE mode is engaged, or
‐ loss of LOC or G/S in LAND mode or loss of LAND mode, or
‐ At the first AP or FD engagement.
The PFD displays a yaw bar in green below 30 ft radio altitude, if a localizer signal is available:
‐ During takeoff (in RWY mode)
‐ Upon landing (in FLARE and ROLL OUT mode).
(1) FD Crossed Bars (green)
(2) Yaw Bar (green)
THE CREW HAS SELECTED TRK FPA AS THE BASIC REFERENCE :
An inertial flight path vector defines the aircraft's horizontal and vertical track, taking wind effect
into account.
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 37/68
FCOM 19 AUG 10
An associated flight path director symbol guides the flight crew onto the vertical and horizontal
flight path targets.
(1) Flight Path Vector (green)
(2) Flight Path Director (green)
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 38/68
FCOM 19 AUG 10
TRAJECTORY DEVIATION
Applicable to:
ILS APPROACH
(1) Localizer Deviation Scale and Index
(2) Glide Slope Deviation Scale and Index
Deviation scales appear when an ILS pushbutton, on the EFIS control panel, is pressed.
If the glideslope and localizer signals are valid, and the deviation scales are displayed,
deviation indexes appear.
When a deviation index is out of the displayed range, only half a symbol appears at the end
of the scale.
The LOC scale flashes, and continues to flash, if the deviation exceeds 1/4 dot for two
seconds (above 15 ft RA). The glideslope scale flashes, and continues to flash, if the
deviation exceeds one dot for two seconds (above 100 ft RA).
“LOC” and the glideslope scale half index symbols flash, and continue to flash, when the
deviation exceeds two dots for two seconds.
0ne dot represents a deviation of plus or minus 0.8 ° on the localizer scale, and plus or
minus 0.4 ° on the glideslope scale.
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 39/68
FCOM 19 AUG 10
Applicable to:
ILS APPROACH
(1) Localizer Deviation Scale and Index
(2) Glide Slope Deviation Scale and Index
Deviation scales appear when an LS pushbutton, on the EFIS control panel, is pressed.
If the glideslope and localizer signals are valid, and the deviation scales are displayed,
deviation indexes appear.
When a deviation index is out of the displayed range, only half a symbol appears at the end
of the scale.
　
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