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will remain online and provide power (including the shed buses) until
approximately 125 knots.
RAT MAN ON - RAT is manually extended. Emergency generator coupling
will occur if nose landing gear is retracted.
A319- Gear position is not part of the logic.
9) TERR P/B
FAULT - Fault detected in the EGPWS terrain awareness display (TAD) and or terrain
clearance floor (TCF) functions. Aircraft relative height (for TAD) is
computed using the captains barometric setting and does not have protection
for barometric setting errors. TAD and TCF functions utilize FMGC 1 position
and offer no protection against position errors.
OFF - EGPWS functions are disabled.
Note: EGPWS display is not available in either the plan mode or while WX
radar is displayed.
A I R B U S A 3 2 0 / 3 1 9 S T U D Y G U I D E
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10) SYS P/B
OFF - All GPWS warnings are inhibited
FAULT - GPWS malfunction. All warnings are inhibited
11) G/S MODE P/B
OFF - Mode 5 (Glideslope) warning is inhibited
12) FLAP MODE P/B
OFF - Mode 4 (Too Low Flaps) warning inhibited
13) LDG FLAP 3 P/B
ON - Mode 4 warnings for Flaps 3 are inhibited. Used when selecting Flaps 3 as the
landing configuration. E.g. Single-engine approach, Wind shear and Direct
law approaches.
GPWS Modes
Mode 1 = Excessive descent rate “Sink Rate”
Mode 2 = Excessive terrain closure “Terrain, Terrain”
Mode 3 = Altitude loss after T/O “Don’t Sink”
Mode 4 = Unsafe terrain clearance “Too Low Flaps”
Mode 5 = Excessive GS deviation “Glideslope”
14) RCDR GND CTL P/B
AUTO - CVR and DFDR are energized automatically:
· For 5 minutes after initial aircraft power up
· After an engine is started
· In-flight
· CVR and DFDR remain powered for 5 minutes after engine shutdown
ON - CVR and DFDR are energized. The ON light will extinguish after engine
start.
15) CVR ERASE (Pressed for two seconds)
Erases tape when:
· Aircraft is on the ground
· Parking brake is set
16) CVR TEST (Pressed and held)
Test is activated if RCDR GRD CTL switch is ON and the parking brake is
set. A low frequency tone is heard if a headset is plugged in to the CVR test
jack on the overhead panel.
A I R B U S A 3 2 0 / 3 1 9 S T U D Y G U I D E
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17) OXYGEN MASK P/B
AUTO - Masks deploy when cabin altitude exceeds 14,000 ft + 0 /-500 ft and a prerecorded
message plays in the cabin. Chemical generators supply Pax O2 for
13 minutes.
MASK MAN ON - Manually deploys Pax O2 masks. No automatic pre-recorded cabin
message will play.
18) PASSENGER
SYS ON - Illuminates when control of the O2 mask doors is actuated and remains on until
The TMR RESET P/B on the overhead panel is activated
19) CREW SUPPLY
ON - Valve is open, low-pressure oxygen supplied to cockpit
During preflight minimum of 1000 psi on door page
OFF - Manually closes O2 supply valve
A I R B U S A 3 2 0 / 3 1 9 S T U D Y G U I D E
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A I R B U S A 3 2 0 / 3 1 9 S T U D Y G U I D E
6
Overhead Panel - Part 2
1) ENGINE FIRE P/B
ILLUMINATED - Engine fire warning activated. Dual gas loops are located in the
Pylon, Fan and Core sections. With an inoperative loop, the system
will reconfigure to a single loop operation. Losing both loops
within 5 seconds will cause a FIRE warning. (Burn through theory)
PUSH - · Cancels aural warning
· Arms squibs
· Closes LP fuel valve, including the IDG cooling return line
· Closes Hydraulic fire valve
· Closes Bleed valve
· Closes Pack valve
· Deactivates generator
2) APU FIRE P/B
ILLUMINATED - APU fire warning activated. Dual gas loops are located in the APU
compartment.
On the ground APU will automatically shutdown and discharge the
fire bottle in 10 seconds.
PUSH - · APU auto shutdown
· Cancels aural warning
· Arms squibs
· Closes LP fuel valve
· APU fuel pump off
· APU Bleed and Crossbleed close
· APU Generator deactivated
3) AGENT P/B
SQUIB - Corresponding FIRE P/B must be pushed to arm the Agent P/B.
Pressed – Bottle discharges.
Pushing #1 starts a 30-second timer on the ECAM.
DISCH - Fire bottle is depressurized. Additionally for an APU thermal discharge, a
blow out disc is located on the aft fuselage.
Chapter 2
A I R B U S A 3 2 0 / 3 1 9 S T U D Y G U I D E
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4) FIRE TEST P/B
PRESS - Tests respective fire detection and extinguishing systems.
ENGINE (7 lights) FIRE P/B APU (5 lights) FIRE P/B
　
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