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Chronograph time display has priority over
elapsed time.
Sweep Second Hand
Indicates Chronometer seconds.
ET Selector
· RUN Starts
the elapsed time counter.
· HOLD Freezes
counter time.
· RESET Resets
counter to zero.
UTC Selector
Sets the time.
· RUN Clock
will begin normal
operation.
· HLDY Hold
· MSM Minutes
· HSD Hours
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Flight Deck Documentation AIRBUS A320
12.11.06 Ralf Anderseck Seite 584.13.
Brakes & Accumulator Pressure Triple Indicator(A320)
ACCU PRESS Indication
Displays the brake accumulator pressure.
BRAKES Pressure Indication
Displays the yellow hydraulic system pressure
that is supplied to the left and right brakes
.
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Flight Deck Documentation AIRBUS A320
12.11.06 Ralf Anderseck Seite 594.14.
F/O's Primary Flight Display Flags (PFD)(A320)
SPD Sel Flag
Indicates failure of selected speed data.
V1 INOP Flag
Indicates V1 signal is not valid.
SI Flag
Indicates loss of side slip data.
Check ATT Flag
Indicates at least a 5 discrepancy in attitude
data between PFDs. Appears on both PFDs in
amber.
ALT SEL
Indicates selected altitude data failure.
Check ALT Flag
Appears in amber when the difference
between both PFD's altitude indications is
greater than 250 feet (QNH), or 500 feet
(STD). Inhibited when CAPT and F/O ADR
barometric references disagree.
SPD Flag
Indicates speed data failure.
FD Flag
Indicates both FMGCs have failed or both FDs
have disengaged with FD switches on.
ATT Flag
Indicates attitude data failure.
FPV Flag
Indicates drift angle or flight path angle are not
valid when in TRKFPA
mode.
G/S Flag
Indicates Glide Slope receiver failure.
ALT Flag
Indicates altitude data failure.
V/S Flag
Indicates Vertical Speed data failure.
V/DEV Flag
Indicates Vertical Deviation data failure and
ILS switch not pushed.
DH Flag
Indicates in amber that decision height has
been reached.
RA Flag
Indicates failure of both radio altimeters.
LOC Flag
Indicates failure of Localizer receiver.
SPD LIM Flag
Appears when both FACs are inoperative.
Indicates the following speed data is lost: VLS,
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Flight Deck Documentation AIRBUS A320
12.11.06 Ralf Anderseck Seite 60S,
F, green dot, VTREND, VMAX OP, VMAX,
VFE NEXT, VSW.
MACH Flag
Indicates Mach data failure.
ILS Flag
Indicates ILS frequency is not available or that
both localizer and glide slope signals have
failed.
DME Flag
Indicates DME distance is not available.
HDG Flag
Indicates Heading data failure.
Check HDG Flag
Indicates at least a 5 discrepancy in Heading
data between PFDs. Appears on both PFDs in
amber
.
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Flight Deck Documentation AIRBUS A320
12.11.06 Ralf Anderseck Seite 614.15.
F/O's Navigation Display Flags (ND)(A320)
VOR Course Flag
Indicates VOR course data failure in red.
Check HDG Flag
Appears inamber when a discrepancy of at
least 5° between both NDs is detected by the
flight warning computer (FWC).
HDG Flag
Indicates heading data failure in red. Flashes
for the first nine seconds.
LOC Flag
Indicates localizer data failure in red. Flashes
for the first nine seconds.
Center Message Area
· MODE Change Appears
in
green when a discrepancy is detected
between the selected mode on the
EFIS control panel and the mode sent
from the onside
FMGC, or while a
new page is being prepared by the
DMC for display. Has priority over
"RANGE Change" message.
· RANGE Change Appears
in
green when a range discrepancy is
detected.
· MAP NOT AVAIL Appears
in
red when "CHANGE" message is
displayed more than six seconds, or to
indicate FMGC failure, or to indicate
that the airplane position provided by
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A320 Flight Deck Documentation(21)
