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Aviation & General knowledge > A320 Systems Oral Prep > Flashcards

A320 Systems Oral Prep Flashcards

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1
Q

IRS on bat light

A

One of 3 IRS operating on DC
(AND 5 sec self test on start)

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2
Q

IR fault light

A

Steady: Internal IRU fault
Flashing: IR may be recoverable in ATT mode

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3
Q

IR Align light flash

A

NO BAD MOVE
No position
Bad position ( 1 degree)
A/C movement

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4
Q

How many flight computers?

A

Lucky number 7
2 ELACs elevator aileron computers (ailerons on 1, elevators on 2 )
2 FACs flight augmentation computers
3 SECs

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5
Q

FAC functions?

A

YAWL
Yaw - turn coordination, rudder travel limiter, yaw damper, rudder trim
Airspeed envelope ( Vls, Alpha prot, Alpha max, Vmo)
Windshear alerts (predictive and reactive)
Low energy warning( conditions: 100 - 2000’ RA; flaps 2,3 or full; low speed)

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6
Q

SECs functions?

A

(Spolier and elevator computer)
SEC 1 and 2: spoiler and elevator
SEC 3 spoiler only

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7
Q

Emer Elec Pwr panel:
RAT auto deployment?

A

Airborne
100+ KIAS
Loss of AC Bus 1&2

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8
Q

Rat deployment time needed?

A

8 seconds

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9
Q

RAT: how do you know its deployed?

A

ELEC page: EMER GEN visible
Also, you may hear it.

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10
Q

RAT: what does it power?

A

AC essential bus
AC essential shed
DC essential bus
DC essential shed

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11
Q

RAT pressure supply and location?

A

Blue system, 2500 psi

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12
Q

RAT: how many ways to deploy?

A

3:
Automatic: airborne, 100+ KIAS, lost AC bus 1 &2;
EMER ELEC PWR panel Pb;
HYD panel RAT MAN ON Pb

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13
Q

RAT: what’s the difference between EMER ELEC GEN panel Pb and HYD panel Pb?

A

EMER ELEC GEN panel Pb: hyd+electricity
HYD panel Pb: Hyd only

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14
Q

RAT: what’s needed to function?

A

Blue hydraulic system reservoir quantity

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15
Q

GPWS: TERR Fault? Rest Fault?

A

Fault with the enhanced feature of the GPWS
Rest: Fault w that specific system

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16
Q

RCDR panel: how does the CVR works in auto posn?

A

On AC power established: 5 min recording begins,
Then from engine start to shut down plus 5 mins

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17
Q

RCRDR Panel GND CTL button?

A

Start recording everything

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18
Q

OXYGEN panel: when do the masks deploy automatically?

A

Cabin altitude reaches 14k’

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19
Q

OXYGEN panel: what does SYS ON mean?

A

A signal has been sent to the PSU doors to open

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20
Q

CALLS panel: EMER button?

A

3 chimes for the crew

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21
Q

EXT LT: Strobe auto?

A

When the ACFT switches from ground mode to flight mode, the strobes come on

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22
Q

ANTI ICE panel: wing fault?

A

Low pneu pressure or
disagreement between the switch and the valve

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23
Q

ANTI ICE panel: engine AI fault?

A

Disagreement between switch and valve position

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24
Q

ANTI ICE panel: probe/window heat auto position?

A

On first engine start, probe and window heat comes on

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25
Q

APU panel: Master Sw Fault?

A

Autoshutdown of the APU

26
Q

CABIN PRESS panel: Mode Sel fault?

A

Both CPC (cabin pressurisation computers) failed

27
Q

CABIN PRESS panel: Mode Sel MAN mode?

A

Arms the MAN V/S CTL button for manual main outflow valve control

28
Q

CABIN PRESS panel: how to switch between CPC 1 and 2?

A

Mode Sel Pb push and again in 10 sec

29
Q

CABIN PRESS panel: ditching Pb?

A

For ditching;
Closes 5 valves
Below the water line

30
Q

AIR COND panel: Eng bleed amber fault light?

A
  1. Excessive pneu temp / press
  2. Wing or engine leak
  3. Disagreement bw APU & ENG bleed valve
31
Q

AIR COND panel: Pack Amber fault light?

A

Excessive temperature on the pack or
Disagreement bw the switch and the valve

32
Q

AIR COND panel: Ram Air switch?

A

On unpressurised flight,
Both packs inop,
Below 10k’

For smoke removal

33
Q

AIR COND Panel: APU bleed sw Amber fault light?

A

APU leak

34
Q

AIR COND panel: APU bleed switch. What does it do?

A

Opens the APU bleed valve,
Xbleed valve will open
Eng bleed valves close

35
Q

AIR COND panel: Hot air Pb Amber fault light

A

Duct overheat, the respective trim air valve will close

36
Q

ELEC panel: APU gen Amber fault light

A

GCU (generator control unit) tripped the gen off
(Opens the GLC: Generator line contactor)

37
Q

ELEC panel: EXT PWR button: green avail light?

A

External power is plugged in and available

38
Q

ELEC PANEL: Bus Tie Pb Auto position?
What if you push it?

A

Automatically closes in case of a power failure on one of the AC buses
Pushing it turns it off, i.e. it inhibits the bus tie from closing.

39
Q

ELEC PANEL: AC Essential Feed Amber fault light ?
What if you push it?

A

AC BUS 1 no longer powering AC ESS BUS
Pushing it allows AC BUS 2 to power it instead.
(Some acft does this automatically)

40
Q

ELEC PANEL: BATT PB Amber fault light

A

Overcharge condition.

41
Q

ELEC PANEL: minimum voltage for APU start?

A

25.5 V

42
Q

ELEC PANEL: GALLEY Pb Amber fault light?

A

Either GEN 1 or 2 supplying more than 100% of its rater output

43
Q

ELEC PANEL: IDG 1 and 2 red covered PB Amber fault light? What does the button do?

A

Low oil pressure
High oil temperature
Disconnect the IDG (max 3 seconds pushing the button)

44
Q

ELEC PANEL: GEN1 or 2 Amber fault light?

A

GLC generator line contactor disconnected

45
Q

FUEL PANEL: any Amber fault light on a pump

A

Pump output pressure low

46
Q

FUEL PANEL: center tank mode selector?

A

Manual: continuous pumping
Auto:
2 mins on at engine startup,
Off at slats selection,
On again at slats retraction

47
Q

HYD PANEL: Green ENG 1 PUMP Amber fault light?

A

Reservoir low quantity, or
Reservoir low pressure, or
Reservoir overheat ,or
Pump pressure low

48
Q

HYD PANEL: system pressure?

A

3000 psi

49
Q

HYD PANEL: Blue Elec Pump Auto?

A

First engine start, the pump turns on

50
Q

HYD PANEL: Blue Elec Pump: can it be pressurised on the ground without engines on?

A

Yes!
Maintenance panel in the back,
HYD panel, Blue Pump Ovrd

51
Q

HYD PANEL: Blue Elec Pump Amber fault light?

A

Reservoir low quantity,
Reservoir low pressure,
Reservoir overheat,

Pump low pressure,
Pump overheat

52
Q

HYD PANEL: PTU: what is it?

A

Power transfer unit
Senses pressure diff above 500 psi
Between green and yellow

53
Q

HYD PANEL: PTU Amber fault light?

A

Green or yellow:
Reservoir low quantity
Reservoir low pressure
Reservoir overheat

54
Q

HYD PANEL: what inhibits the PTU from operating?

A

1 PTU is inhibited for 40 seconds after cargo door operation
2 engine master switches split WITH the parking brake set
3 engine master switches split WITH nosewheel steering disconnect installed

55
Q

ENGINE FIRE SWITCH
What does it do?
(Panels: FIRE, HYD, FUEL, ELEC, AIR COND)

A

2 1 2 2 2
FIRE: silence the alarm, arm the squibs
HYD: close the hydraulic shut-off valve
FUEL: close the low press shutoff valve & IDG return valve
ELEC: Trip the generator (open GLC) & deactivate FADEC power
AIR COND: close bleed valve & pack flow control valve

56
Q

ENG panel: Man Start Pb: what do they do, what’s the difference from auto start?

A

In auto, 1 igniter; in manual, 2
In auto, the start valve opens automatically, on manual we push the man start Pb
In auto, there’s FADEC protection. In manual, there isn’t.

57
Q

VENTILATION PANEL: Blower Amber fault light?
Extract valve Amber fault light?

A

Same for both:
Low pressure, computer power fail, smoke warning

duct overheat for blower only

58
Q

IRS PANEL: ADR Amber fault light?

A

Internal failure in the ADR part of the ADIRU (not recoverable)

59
Q

What does the what does the AD portion of the ADIRU supply?

A

AAATOM
Airspeed
Altitude
AOA
Temp
Overspeed
Mach

60
Q

What does the what does the IRU portion of the ADIRU supply?

A

GAAFHAT
Ground speed
Aircraft position
Attitude
FPV
Heading
Acceleration
Track

Aviation & General knowledge (20 decks)

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