Supplement: Communication / Electrical Flashcards by Liana Hart

Evacuation Panel:
How would the flight crew command an evacuation?
FCOM-PRO-ABN-MISC

Make a PA announcement: CA: “EVACUATE, EVACUATE, EVACUATE”
(No other words. FAs are taught to assess exit strategy)

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Recorder Panel:
When is the RCDR normally on in AUTO?
FCOM-DSC-23-30-10

º On the ground, for 5 minutes after electrical power is supplied to the aircraft
º When at least 1 engine is operating
º Stops 5 minutes after the last engine is shut down

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Recorder Panel:
How do you record the Flight Attendant PAs?
FCOM-DSC-23-30-10, FCOM-PRO-NOR-SOP-07

ACP 3 PA VOL knob out and set volume at or above medium range

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Calls Panel:
How do you call a mechanic stationed on the outside of the aircraft?
FCOM-DSC-23-20-40

Momentarily depress the MECH pushbutton. A blue light on the EXT PWR PANEL will illuminate and an
external horn will sound

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Calls Panel:
How do you make a normal call to the Flight Attendants?
FCOM-DSC-23-20-40

º Press the FWD or AFT call button (This sounds one high/low chime in the cabin)
º Listen and transmit on CAB
º The ITM can only pick up a cabin phone at the station called

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Calls Panel:

What happens when the ITM’s initiate an emergency call?FCOM-DSC-23-20-40

º The white EMER ON light and amber CALL lights flash
º The amber ATT lights flash on the ACPs
º 3 long buzzers sound in the cockpit (inhibited during critical phases of flight)
º System resets when the attendant hangs up the relevant system

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Audio Management Panel:
What is the AUDIO SWITCHING PANEL used for?
FCOM-DSC-23-20-20

Allows for switching to ACP 3 if ACP 1 or 2 fails

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Radio Management Panel:
How are the communications radios controlled?
FCOM-DSC-23-10-20

From any one of the 3 RMPs

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Radio Management Panel:
Which RMP is powered in the Emergency Electrical Configuration?
FCOM-DSC-23-10-30

RMP 1

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Radio Management Panel:
Which communication radio is powered in the Emergency Electrical Configuration?
FCOM-DSC-23-10-20

VHF-1 and HF-1 (if installed)

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Radio Management Panel:
What would cause the SEL indicator to illuminate on both RMPs?
FCOM-DSC-23-10-30

When a communication radio normally associated with one RMP is tuned by another RMP

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Radio Management Panel:
If the NAV key is selected on either RMP, can the FMGC still auto tune navaids?
FCOM-DSC-34-30-30

º No – RMP now controls the VOR/ILS receivers
º NAV key on RMP 3 has no effect
º Normal radio communication is still available

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Audio Control Panel:
What methods would the crew utilize to make a PA announcement?
FCOM-DSC-23-20-50

º Pressing the PA switch on the ACP and using the boom, hand, or mask microphone, or
º The flight deck handset dedicated to the PA system only

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Audio Control Panel:
What does the illumination of the CALL light on the VHF transmission keys indicate?
FCOM-DSC-23-20-20

The SELCAL system detects a call

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Emergency Electrical Panel:
What buses are powered by the emergency generator?
FCOM-DSC-24-10-30-30

º AC ESS and AC ESS SHED

º DC ESS and DC ESS SHED

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Emergency Electrical Panel:
What is the function of the RAT & EMER GEN pushbutton?
FCOM-DSC-24-20

º AUTO – RAT will automatically extend if AC BUS 1 & 2 are not powered and airspeed > 100 knots
º MAN – extend the RAT at any time

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Emergency Electrical Panel:
How long does it take the RAT to extend and provide power?
FCOM-DSC-24-10-30-30

8 seconds (3 seconds for RAT extension, 5 seconds to pressurize the Blue hydraulic system and power the
EMER GEN)

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Emergency Electrical Panel:
What does the red FAULT light on the RAT & EMER GEN pushbutton indicate?
FCOM-DSC-24-20

Loss of power to AC Bus 1 + AC Bus 2 and the emergency generator is not supplying power

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Emergency Electrical Panel:
What powers the emergency generator?
FCOM-DSC-24-10-20

Blue hydraulic power from the RAT

Emergency Electrical Panel:
Is there another way to deploy the RAT?
FCOM-DSC-24-10-30-30, FCOM-DSC-29-20

Yes, RAT MAN ON from the HYD panel

Emergency Electrical Panel:
What is different about deploying the RAT via the HYD Panel?
FCOM-DSC-24-10-30-40

Blue HYD pressure only – No Emergency Generator

Emergency Electrical Panel:
What happens when you push the GEN 1 LINE pushbutton?
FCOM-DSC-24-20

º GEN 1 Line Contactor opens and the white OFF light illuminates
º AC BUS 1 is powered by GEN 2 through the BUS TIE CONTACTOR
º GEN 1 continues to powers 1 fuel pump in each wing tank

Emergency Electrical Panel:
When is the GEN1 Line pushbutton used?
FCOM-DSC-24-20

During smoke procedures

Electric Panel:
When performing the PRELIMINARY FLIGHT DECK PREPARATION, what is the minimum Battery Voltage?
FCOM-PRO-NOR-SOP-04

25.5 Volts

Electric Panel: What do you do if it is below 25.5V? FCOM-PRO-NOR-SOP-04

Select BATT pushbuttons to ON with EXT PWR on aircraft. This starts the charging cycle (approximately 20min required)

Electric Panel: When performing the FLIGHT DECK PREPARATION, what are we looking for on the ELEC panel BAT check? FCOM-PRO-NOR-SOP-06

º ECAM ELEC page – select º BAT 1 & 2 – OFF then ON º Check BATT current is < 60 amps after 10 seconds and continues to decrease

Electric Panel: Will the batteries completely drain if you leave the BAT switches in AUTO after AC power is removed on the ground? FCOM-DSC-24-20

No. Battery cut-off logic prevents complete discharge when the aircraft is on the ground and unpowered – 22VDC

Electric Panel: How is the BATTERY BUS normally powered? FCOM-DSC-24-10-30-20

DC BUS 1 through a DC bus tie contactor

Electric Panel: What does the amber FAULT light in the GALLEY pushbutton indicate? FCOM-DSC-24-20

At least 1 generator load is above 100% rated output

Electric Panel: How does the GALLEY pushbutton work in AUTO? FCOM-DSC-24-20

Sheds main galley and in-seat power supply if: º Only 1 generator (APU or Engine) is available in FLIGHT, or º Only 1 ENGINE generator is available on the GROUND (All galleys are available when APU GEN or EXT PWR is supplying power)

Electric Panel: What does a FAULT on the ENG GEN pushbutton indicate? FCOM-DSC-24-20

``` The generator line contactor is open because of a fault detected by the Generator Control Unit (GCU) which º Overload º Over/under voltage º Differential fault (short), and/or; º The generator line contactor is open ```

Electric Panel: What does the APU GEN FAULT light indicate? FCOM-DSC-24-20

The generator line contactor is open because of a fault detected by the GCU

Electric Panel: When is the APU GEN FAULT light inhibited? FCOM-DSC-24-20

º APU speed too low | º Line contactor OPEN after EXT PWR or ENG GEN takes over

Electric Panel: What is the function of the BUS TIE in the AUTO position? FCOM-DSC-24-20

º Allows the BUS TIE CONTACTORS to open and close automatically to maintain power to both AC BUS 1 & 2: º Allows a single source to power the entire system º Allows connection of the APU GEN or EXT PWR to the system º Inhibits multiple sources to connect simultaneously

Electric Panel: What does an IDG FAULT light indicate? FCOM-DSC-24-20

º Oil pressure low (inhibited when N2 < 14%) º Oil outlet temperature overheat º Light is inhibited when IDG is disconnected

Electric Panel: What precautions must you take when disconnecting an IDG? FCOM-DSC-24-20

º Do not disconnect when the engine is not operating or windmilling º Do not hold button longer than 3 seconds

Electric Panel: How can an IDG be reset? FCOM-DSC-24-20

On the ground by maintenance

Electric Panel: What is the function of the AC ESS FEED pushbutton in the normal position? FCOM-DSC-24-20

Allows AC BUS 1 to power the AC ESS BUS

Electric Panel: | How is AC ESS FEED transferred from AC BUS 1 to AC BUS 2? [ FCOM-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

Electric Panel: What does the AC ESS FEED pushbutton white ALTN light indicate? FCOM-DSC-24-20

AC BUS 2 is powering the AC ESS BUS

Electric Panel: What is the purpose of the static inverter? FCOM-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

Electric Panel: What are the 3 times the batteries are connected to the BATTERY BUS? FCOM-DSC-24-10-30-20, FCOM-DSC-24-10-30-30, FCOM-DSC-49-10-40

º APU start º Battery charging º AC BUS 1 & 2 not powered and airspeed below 100 knots

Electric Panel: What is the priority sequence for electrical power (GEARB)? COM-DSC-24-20-10-30-10, FCOM DSC-24-10-30-30

``` º G - Generators - Engine º E - EXT PWR (manually selected) º A - APU Generator º R - RAT Emergency Generator º B - Batteries ```

Electric Panel: With the APU green AVAIL light ON and the EXT PWR blue ON light illuminated, which system is powering the aircraft? FCOM-DSC-24-20

EXT PWR

Electric Panel: What is the significance of the green and red collared circuit breakers on the flight deck? FCOM-DSC 24-10-20

º Green – Monitored by ECAM º Red – Wing tip brake C/B º Black – Not monitored by ECAM