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Airbus G4 Oral Prep (LB) > Supplement: Autoflight > Flashcards

Supplement: Autoflight Flashcards

1
Q

MCDU / FMGS:
What are the main components of the FMGS?
FCOM-DSC-22-10-10

A

º 2 FMGCs
º 2 MCDUs
º 1 FCU (two independent channels)
º 2 FACs

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2
Q

MCDU / FMGS:
What are the functions of the Flight Management Guidance Computers?
FCOM-DSC-22-10-10

A

º Flight Guidance

º Flight Management

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3
Q

MCDU / FMGS:
What are the 3 modes of FMGC operation?
FCOM-DSC-22-10-30

A

º Independent (MCDU scratchpad displays – INDEPENDENT OPERATION)
º Single (ND displays – SELECT OFFSIDE RNG/MODE)
º Dual (Normal)

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4
Q

MCDU / FMGS:
What are the 2 modes of flight guidance?
FCOM-DSC-22-30-10

A

º Managed Guidance

º Selected Guidance

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5
Q

MCDU / FMGS:
What is the Managed mode of flight guidance used for?
FCOM-DSC-22-30-10

A

Long-term lateral, vertical, and speed profiles as determined by the FMGS

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6
Q

MCDU / FMGS:
What is the Selected mode of flight guidance used for?
FCOM-DSC-22-30-10

A

Temporary lateral, vertical, and speed commands as selected with the FCU

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7
Q

MCDU / FMGS:
Does Selected or Managed Guidance have priority?
FCOM-DSC-22-10-10

A

Selected Guidance always has priority

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8
Q

MCDU / FMGS:
How do you determine the validity of the navigation database?
FCOM-DSC-22-20-20-50

A

On the Aircraft Status page via the MCDU

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9
Q

MCDU / FMGS:
What input does each FMGC use for position determination?
FCOM-DSC-22-20-20-10

A

A hybrid (“mix”) IRS/GPS position

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10
Q

MCDU / FMGS:
How does autopilot selection influence master FMGS logic?
FCOM-DSC-22-10-30

A

º If one autopilot is engaged, the respective FMGS is master

º If both autopilots are engaged, FMGS 1 will be the master

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11
Q

MCDU / FMGS:
If an amber SELECT OFFSIDE RNG/MODE message is displayed on the ND what action should the crew take?
FCOM-DSC-22-10-30

A

An FMGS has failed and both NDs must be set to the same mode and range (single mode)

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12
Q

MCDU / FMGS:
Can both autopilots be engaged during any phase of flight?
FCOM-DSC-22-30-30

A

No, only during an ILS approach

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13
Q

MCDU / FMGS:
What is the difference between the large and small fonts utilized in the MCDU?
FCOM-DSC-22-10-40-10

A

º Large – Pilot entries and modifiable data

º Small – Default/computed non-modifiable data

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14
Q

MCDU / FMGS:
Where do you enter the Zero Fuel Weight?
FCOM-DSC-22-20-50-10-25

A

INIT B page (not accessible after engine start)

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15
Q

MCDU / FMGS:
What do amber box prompts on the MCDU indicate?
FCOM-DSC-22-10-40-10

A

An entry is mandatory

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16
Q

MCDU / FMGS:
What occurs when managed NAV mode is engaged and the aircraft flies into a flight plan discontinuity?
FCOM-DSC-22-20-30-10-05

A

NAV mode will be lost and the HDG/TRK mode engage

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17
Q

MCDU / FMGS:
What is the function of the Flight Control Unit?
FCOM-DSC-22-10-10

A

º Permits short term interface between the pilot and FMGS
º Allows temporary modification of any flight parameter (HDG, SPD, ALT, V/S)
º Used to select operational modes of the autopilots, flight directors, and A/THR system

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18
Q

MCDU / FMGS:
What do dashes in the FCU display windows along with the adjacent white dot indicate?
FCOM-DSC-22-10-40-20

A

FMGS Managed Guidance is in use

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19
Q

MCDU / FMGS:
How is Selected Guidance engaged?
FCOM-DSC-22-10-40-20

A

Pull the appropriate selector knob

20
Q

MCDU / FMGS:
How do you confirm all autopilot, FD, and A/THR inputs?
FCOM-DSC-22-30-100

A

Confirm all mode inputs by reference to the Flight Mode Annunciator (FMA)

21
Q

MCDU / FMGS:
Will the FCU Altitude window ever display dashes?
FCOM-DSC-22-10-40-20

A

No. Pilot selected altitude will always be displayed

22
Q

Primary Flight Display:
What does each column mean on the PFD?
FCOM-DSC-22-30-100

A

º A/THR | VERTICAL | LATERAL | APPROACH CAPABILITY, DH/MDA | AP, FD, A/THR ENGAGEMENT STATUS

23
Q

Primary Flight Display:
How is the crew made aware of mode changes on the FMA?
FCOM-DSC-22-30-100

A

A white box is temporarily displayed around the new indication (10-15secs)

24
Q

Primary Flight Display:
How are armed modes displayed on the FMA?
FCOM-DSC-22-30-100

A

º Blue – armed
º Magenta – armed because of a constraint
º Green – engaged

25
Primary Flight Display: When is the side stick position indication icon (white cross) displayed? FCOM-DSC-20-30
º Displayed when the first engine is started | º Disappears at liftoff
26
Primary Flight Display: What would the large red arrowheads indicate? FCOM-DSC-31-40
Pitch attitude of > 30°
27
Primary Flight Display: What is the meaning of USE MANUAL PITCH TRIM? FCOM-DSC-27-20-20
You are in Direct Law
28
Primary Flight Display: What is the meaning of MAN PITCH TRIM ONLY? FCOM-DSC-27-20-20
You are in Mechanical Backup
29
Primary Flight Display: What are the pitch and roll angle limits indicated by the green = signs? FCOM-DSC-31-40, FCOM-DSC-27-20-10-30
º Pitch: +30° up/-15° down | º Roll: +/- 67°
30
Primary Flight Display: How can you determine you are in Alternate Law? FCOM-DSC-27-20-20
º Amber X’s replace the green = marks at the pitch and bank limits º Only VLS and VSW is displayed on the airspeed scale
31
Primary Flight Display: | When would the sideslip index change from yellow to blue? [ FCOM-DSC-31-40
In case of an engine failure during takeoff/go-around, it is now a blue beta target
32
Primary Flight Display: What does the yellow speed trend line on the airspeed display indicate? FCOM-DSC-31-40
The speed the aircraft will reach in 10 seconds if acceleration/deceleration remains constant
33
Primary Flight Display: What is the difference between the magenta and blue target airspeeds? FCOM-DSC-31-40
º Magenta – Managed speed computed by the FMGC | º Blue – Selected speed on the FCU
34
Primary Flight Display: What speed does Vmax represent and how is it displayed? FCOM-DSC-31-40, FCOM-PRO-SUP-10
º It is the lowest of Vmo/Mmo, Vle, or Vfe | º Defined by the bottom of a red and black strip along the speed scale
35
Primary Flight Display: What is Vls? FCOM-DSC-31-40, FCOM-DSC-22-10-50-20, FCOM-PRO-SUP-10
º Represents lowest selectable speed providing an appropriate margin to the stall speed º Corresponds to 1.13 VS during takeoff º Corresponds to 1.23 VS after retraction of one step of flaps º Corresponds to 1.28 VS in clean configuration º Above 20,000ft, VLS is corrected for Mach effect to maintain a buffet margin of 0.2g º In approach mode is equivalent to Vref º Increases with speedbrake extension
36
Primary Flight Display: What is Green Dot speed? FCOM-DSC-31-40, FCOM-PRO-SUP-10
º Engine out operating speed in clean configuration º Appears when the aircraft is in the clean configuration º Corresponds to the best lift-to-drag ratio
37
Primary Flight Display: What is Ground Speed Mini? FCOM-DSC-22-30-90
º Based on a calculated groundspeed at the runway | º Protects against actual groundspeed dropping below this calculated groundspeed
38
Primary Flight Display: What does it mean when you see the magenta target airspeed triangle above VAPP on approach? FCOM-DSC-22-30-90
Ground Speed Mini has increased speed due to a higher headwind component at your present location than what was calculated at the runway
39
Primary Flight Display: |Is this protection available in selected speed? FCOM-DSC-22-30-90
No – Managed speed only
40
Primary Flight Display: What are 3 ways to disconnect the A/THR? FCOM-DSC-22-30-90
º Instinctive Disconnect buttons º Thrust Levers to IDLE º A/THR pushbutton
41
Primary Flight Display: How do you disconnect the A/THR for the remainder of the flight? FCOM-DSC-22-30-90
Press and hold the Instinctive Disconnect Pushbutton for 15 seconds
42
Primary Flight Display: What would you lose if you held down the Instinctive Disconnect Pushbutton for more that 15 seconds? FCOM-DSC-22-30-90
Alpha Floor Protection
43
Primary Flight Display: What happens to thrust and what annunciates on the FMA when you reach Alpha Floor? FCOM-DSC-22-30-90
º Thrust – TOGA | º FMA – A.FLOOR
44
Primary Flight Display: What occurs during Alpha Floor protection after speed increases above Vls? FCOM-DSC-22-30-90
FMA changes to TOGA LK
45
Primary Flight Display: How do you regain normal A/THR when in TOGA LK? FCOM-DSC-22-30-90
º Move Thrust Levers to the TOGA detent º Press the Instinctive Disconnect button º Return Thrust Levers to CL detent º Push the A/THR pushbutton to engage A/THR
46
Primary Flight Display: When is Alpha Floor Protection active? FCOM-DSC-22-30-90
From lift-off through 100 feet RA on approach
47
Primary Flight Display: When would Thrust Lock occur? FCOM-DSC-22-30-90
º Thrust levers in CL detent and A/THR pushbutton on the FCU is pushed, or º A/THR disconnects due to a failure

Airbus G4 Oral Prep (LB) (25 decks)

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