ELECTRICAL PANEL
Q: When performing the PRELIMINARY FLIGHT DECK PREPARATION, what is the minimum Battery Voltage?
Ref: (FOM VOL. II, Section 3.05)
25.5 Volts
ELECTRICAL PANEL
Q: What do you do if it is below 25.5V?
Ref: (FOM VOL. II, Section 3.05)
Select BATT pushbuttons to ON with EXT PWR on aircraft. This starts the charging cycle.
(approximately 20min required)
ELECTRICAL PANEL
Q: When performing the FLIGHT DECK PREPARATION, what are we looking for on the ELEC panel BAT check?
Ref: (FOM VOL. II, Section 3.05)
- ECAM ELEC page – select
- BAT 1 & 2 – OFF then ON
- Check BATT current is < 60 amps after 10 seconds and continues to decrease
ELECTRICAL PANEL
Q: Will the batteries completely drain if you leave the BAT switches in AUTO after AC power is removed on the ground?
Ref: (FOM VOL. III-DSC-24-20)
No. Battery cut-off logic prevents complete discharge when the aircraft is on the ground and unpowered – 22VDC.
ELECTRICAL PANEL
Q: How is the BATTERY BUS normally powered?
Ref: (FOM VOL. III-DSC-24-10-30-20)
DC BUS 1 through a DC tie contactor
ELECTRICAL PANEL
Q: What does the amber FAULT light in the GALLEY pushbutton indicate?
Ref: (FOM VOL. III-DSC-24-20)
At least 1 generator load is above 100% rated output.
ELECTRICAL PANEL
Q: How does the GALLEY pushbutton work in AUTO?
Ref: (FOM VOL. III-DSC-24-20)
Sheds main galley, IFE and in-seat power supply if:
- Only 1 generator (APU or Engine) is available in FLIGHT, or
- Only 1 ENGINE generator is available on the GROUND
ELECTRICAL PANEL
Q: What does a FAULT on the ENG GEN pushbutton indicate?
Ref: (FOM VOL. III-DSC-24-20)
The generator line contactor is open because of a fault detected by the Generator Control Unit (GCU), which could include:
- Overload
- Over/under voltage
- Differential fault (short), and/or;
- The generator line contactor is open
ELECTRICAL PANEL
Q: What does the APU GEN FAULT light indicate?
Ref: (FOM VOL. III-DSC-24-20)
The generator line contactor is open because of a fault detected by the GCU.
ELECTRICAL PANEL
Q: When is the APU GEN FAULT light inhibited?
Ref: (FOM VOL. III-DSC-24-20)
- APU speed too low
- Line contactor OPEN after EXT PWR or ENG GEN takes over
ELECTRICAL PANEL
Q: What is the function of the BUS TIE in the AUTO position?
Ref: (FOM VOL. III-DSC-24-20)
Allows the BUS TIE CONTACTORS to open and close automatically to maintain power to both AC BUS 1 & 2:
- Allows a single source to power the entire system
- Allows connection of the APU GEN or EXT PWR to the system
- Inhibits multiple sources to connect simultaneously
ELECTRICAL PANEL
Q: What does an IDG FAULT light indicate?
Ref: (FOM VOL. III-DSC-24-20)
- “HOTLOP”
- Oil pressure low (inhibited when N2 < 14%
- Oil outlet temperature overheat
Light is inhibited when IDG is disconnected
ELECTRICAL PANEL
Q: What precautions must you take when disconnecting an IDG?
Ref: (FOM VOL. III-DSC-24-20)
- Do not disconnect when the engine is not operating or windmilling
- Do not hold button longer than 3 seconds
ELECTRICAL PANEL
Q: How can an IDG be reset?
Ref: (FOM VOL. III-DSC-24-20)
On the ground by maintenance
ELECTRICAL PANEL
Q: What is the function of the AC ESS FEED pushbutton in the normal position?
Ref: (FOM VOL. III-DSC-24-20)
Allows AC BUS 1 to power the AC ESS BUS
ELECTRICAL PANEL
Q: How is AC ESS FEED transferred from AC BUS 1 to AC BUS 2?
Ref: (FOM VOL. III-DSC-24-20)
Manually by selecting ALTN on the AC ESS FEED pushbutton or automatically if AC BUS 1 is lost and the switch is in the normal position
ELECTRICAL PANEL
Q: What does the AC ESS FEED pushbutton white ALTN light indicate?
Ref: (FOM VOL. III-DSC-24-20)
AC BUS 2 is powering the AC ESS BUS
ELECTRICAL PANEL
Q: What is the purpose of the static inverter?
Ref: (FOM VOL. III-DSC-24-10-20)
To provide AC power to the AC ESS bus from the battery when the EMG GEN is not online when in the Emergency Electrical Configuration
ELECTRICAL PANEL
Q: What are the 3 times the batteries are connected to the BATTERY BUS?
Ref: (FOM VOL. III-DSC-24-10-30-20, FOM VOL. III-DSC-24-10-30-30, FOM VOL. III-DSC-49-10-40)
- APU start
- Battery charging
- AC BUS 1 & 2 not powered and airspeed below 100 knots
ELECTRICAL PANEL
Q: What is the priority sequence for electrical power?
Ref: (FOM VOL. III-DSC-24-20, FOM VOL. III-DSC-24-10-30-30)
- “GEARB”
- Generators - Engine
- EXT PWR (manually selected)
- APU Generator
- RAT Emergency Generator
- Batteries
ELECTRICAL PANEL
Q: With the APU green AVAIL light ON and the EXT PWR blue ON light illuminated, which system is powering the aircraft?
Ref: (FOM VOL. III-DSC-24-20)
EXT PWR
ELECTRICAL PANEL
Q: What is the significance of the green and red collared circuit breakers on the flight deck?
Ref: (FOM VOL. III-DSC-24-10-20)
- Green – Monitored by ECAM
- Red – Wing tip brake C/B
- Black – Not monitored by ECAM
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Memory Items8
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Limitations81
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Alternates14
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Big 8992
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Initial Upgrade Exam41
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Cards That Need Updating5
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Flight Control Laws27
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Random15
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ADIRS PANEL21
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Flight Controls Panel18
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EVAC Panel2
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Emergency Panel12
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GPWS Panel5
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Recorder Panel5
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Oxygen Panel7
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Calls Panel4
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Rain Panel2
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External Lights Panel3
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APU Panel5
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Signs Panel3
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Interior Lights Panel1
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Anti Ice Panel10
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Probes / Window Heat Panel2
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Cabin Pressurization Panel10
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Air Conditioning Panel23
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Electrical Panel22
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Fuel Panel15
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Hydraulic Panel24
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Fire Panel11
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Audio Management Panel1
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Maintenance Panel1
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Cargo Heat Panel1
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Cargo Smoke Panel4
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Ventilation Panel9
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Engine Panel2
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Glareshield / FCU9
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Primary Flight Display24
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Navigation Display3
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Engine / Warning Display8
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System Display2
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Forward Instrument Panel18
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EIS Switching Panel5
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ECAM Switching Panel8
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Trimmable Horizontal Stabilizer5
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Engines / Thrust Levers20
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Transponders2
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Flaps / Slats11
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Speedbrakes / Spoilers7
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Weather Radar Panel7
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Radio Management Panel5
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Audio Control Panel2
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MCDU / FMGS17
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Parking Brake4
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Aft Pedestal Miscellaneous4
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Nosewheel Steering3
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Flight Control Laws20
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Alternates COPY12
