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Delta A320 > Autoflight > Flashcards

Autoflight Flashcards

1
Q

What does FMGC 1 generate commands for?

A

1) Autopilot 1
2) CA FD
3) Autothrust

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2
Q

What does FMGC 2 generate commands for?

A

1) Autopilot 2
2) FO FD
3) Autothrust

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3
Q

Which FMGC is master and which is backup in the following conditions:

Autopilots off
Autopilot 1 engaged
Autopilot 2 engaged

A

1) Autopilots off : FMGC 1 is master, FMGC 2 is backup
2) Autopilot 1 engaged: FMGC 1 master, FMGC 2 backup
3) Autopilot 2 engaged: FMCG 2 master, FMGC 1 backup

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4
Q

What is the function of the Flight Mode Announcer (FMA)

A

Primary tool used to monitor status and performance of the auto-flight system

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5
Q

What do each of the 5 columns of the FMA represent

A

Column 1 - Autothrust Mode
Column 2 - Autoflight Vertical Mode
Column 3- Autoflight lateral Mode
Column 4 - Approach Capabilities and Mins
Column 5 - Autoflight status

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6
Q

What are the color conventions of the FMA annunciations

Green
Blue
Magenta
White
Amber
Red

A

Green - engaged mode
Blue - armed mode
Magenta - altitude constraints (if vertical path includes a level segment)
White - approach capabilities, certain autothrust modes and autoflight system status
Amber - Thrust and/ or flight control system caution messages
Red - Significant flight control system degradation

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7
Q

How do you engage and dis-engage the AP

A

1) Engage - select either AP1 or AP2 pb on FCU

2) Disengage
- Press AP disconnect pb on either sidestick (preferred)
- Select the illuminated AP1 or AP2 pb on the FCU
- Displace either sidestick or rudder pedal

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8
Q

What AP related indications will be displayed on the top line of column 5 of the FMA when:

AP is disengaged
AP 1 is engaged
AP 2 is engaged
Both APs are engaged

A

AP is disengaged - Top line blank
AP 1 is engaged - Top line shows AP1
AP 2 is engaged - Top line shows AP2
Both APs are engaged - Top line shows AP1+2

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9
Q

How can the flight directors be engaged/ disengaged?

A

1) FD system is automatically engaged when electrical power is established on the aircraft
2) FD pb on either the CA or FO EFIS control panel can be used to manually engage or disengage

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10
Q

How can you tell if an FD is engaged

A

Green light within the FD pb illuminates

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11
Q

What FD related indications will be displayed on line 2 of column 5 of the FMA when:

Both FDs are off
Both FDs are on
CA FD off and FO FD on
FO FD off and CA FD on
FMGC 1 failed
FMGC 2 failed

A

Both FDs are off - Line 2 blank
Both FDs are on: 1FD2
CA FD off and FO FD on: -FD2
FO FD off and CA FD on: FD1-
FMGC 1 failed: 2FD2
FMGC 2 failed: 1FD1

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12
Q

If the Autothrust is OFF (DISCONNECTED) what indications will you get on the FMA and FCU? How is thrust controlled?

A

1) FMA Column 1 and Bottom row of Column 5 are blank
2) A/TH pb on FCU is extinguished
3) Engine thrust is controlled by manually positioning the TLs

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13
Q

if the Autothrust is ARMED what indications will you get on the FMA and FCU. How is Thrust corresponded

A

1) MAN FLX or MAN TOGA appears in Column 1 and A/THR in blue in column 5 of the FMA

2) Thrust is corresponds to TL position of FLX or TOGA

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14
Q

In Flight, if the TLs are placed in the TOGA position, what kind of thrust will you get and what will appear in the FMA

A

1) TOGA thrust
2) If you are in CONF 1 or greater, the FMS go around phase is activated
3) MAN TOGA appears in column 1 and A/THR in blue appears in column 5

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15
Q

if the Autothrust is ACTIVE what indications will you get on the FMA and FCU.

A

FMA column 1 displays the current mode and bottom row of column 5 displays ATH/R in white

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16
Q

What is the active range of Autothrust during 2 engine and single engine operation?

A

1) Two engine - any position between the CLB detent and just above Idle stop

2) 1 engine - any position between MCT detent and just above idle stop.

17
Q

When active, can autothrust automatically change from one mode to another to meet vertical path requirements?

A

Yes

18
Q

With autothrust active will the TLs physically move? How do you maintain awareness of the systems operating mode?

A

No they don’t physically move. Always reference the FMA for awareness.

19
Q

How is the Autothrust System normally activated (armed)

A

Normally armed at takeoff when the TLs are placed in either the FLX or TOGA position when both engines are running.

20
Q

How is the Autothrust System disconnected (turned off)

A

1) Bring TLs to idle stop at touchdown (NORMAL WAY)
2) pressing the red pb on the side of either TL
3) pressing the illuminated A/THR pb on the FCU panel.

21
Q

What is the difference between Thrust mode and Speed/Mach mode? When is each used?

A

1) Thrust Mode - used when a specific thrust level is maintained and target speed is achieved through pitch changes (used in climbs and descents when no specific rate is required)

2) Speed/ Mach Mode - Thrust output varies to maintain target speed or mach. Used during level flight or during climbs and descents when a specific rate must be maintained.

22
Q

What are the FMA column 1 indications of Thrust mode

A

MAN TOGA
MAN FLX
MCT
THR
CLB
THR IDLE

23
Q

What are the FMA column 1 indications of Speed/ Mach Mode

A

SPEED
MACH

24
Q

What is the Alpha Floor Feature? When is it available

A

1) Command TOGA thrust when the aircraft reaches a very high AOA
2) Available in Normal Law from Takeoff down to 100ft RA

25
Q

Does the Alpha Floor feature need to have autothrust on or the TL in any specific position?

A

No, if off autothrust will self activate regardless of TL position, however the autothrust system must be FUNCTIONAL (not MELd or de-activated).

26
Q

Once the condition causing Alpha Floor is resolved, what will happen with thrust?

A

Will remain in TOGA LOCK (TOGA LK) until pilot intervention.

27
Q

What are the indications on the FMA and E/WD associated with Alpha Floor?

A

1) A. FLOOR (green surrounded by an Amber box in column 1 of the FMA
2) A. FLOOR (amber) above the N1 displays on the E/WD
3) Engine Thrust automatically accelerates to TOGA power.

28
Q

What is VLS

A

1) Defined as the Lowest Selectable Speed. Calculated by the FACs based on aircraft gross weight and configuration.

2) Intended to advise the pilot of the lowest airspeed that should be selected in the current configuration.

29
Q

Can you select an airspeed below VLS?

A

Yes

30
Q

Where is VLS displayed. Do you need to be in a specific flight control law or autothrust status to get this display?

A

1) Airspeed indicator in the form of an amber hook
2) Displayed regardless of Flight Control Law or Autothrust status

31
Q

Is the position of the VLS amber hook fixed

A

No, it will adjust as the result of the aircraft’s configuration (Flaps, Spoilers, Landing Gear)

32
Q

What is the relationship between VLS and the Autothrust system?

A

When autothrust is active and aircraft is in normal law, thrust will automatically increase to prevent the AC from decreasing below VLS

Any pilot selected airspeed lower than VLS will be ignored

33
Q

Will autothrust self activate if OFF to prevent the aircraft from decreasing below VLS

A

No, unlike Alpha Floor protection, auto thrust will not self activate if OFF.

34
Q

What does pulling the following knobs on the Autoflight Guidance Panel do?

SPD/MACH
HDG/TRK
Altitude Knob
V/S FPA

A

SPD/MACH - selects specific target airspeed
HDG/TRK- selects specific heading
Altitude Knob - engages in Open Climb or Open Descent
V/S FPA - selects a specific vertical speed or FPA for climb or descent.

35
Q

What has priority, Selected or Managed Guidance?

A

Selected

36
Q

What does the Managed Guidance of the autoflight system do

A

1) Allows the autoflight system to follow commands generated by the FMS (lateral, vertical and target airspeed profiles and any constraints).

37
Q

How is MANAGED guidance engaged or armed

A

momentarily pushing the respective knob on the FCU

38
Q

What will pushing the V/S FPA knob do?

A

Aircraft will immediately level off (V/S 0)

39
Q

What does a momentary flashing white box indicate in the FMA. What do you get if there is an automatic disengagement of a managed vertical or lateral mode of the FMGS.

For example Managed NAV reverts to heading

A

1) White Box = New annunciation/ display.

2) If automatic disengagement of vertical or lateral mode you get the white box flashing around the new mode and a “triple click” aural warning.

Delta A320 (17 decks)

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