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A320 Knowledge > Auto flight VPrep -FMA Annunciation > Flashcards

Auto flight VPrep -FMA Annunciation Flashcards

1
Q

The FMA has how many columns and how many rows?

A

5 columns

3 rows

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2
Q

What does column 1 show?

A

Thrust modes (SPEED…)

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3
Q

What does column 2 show?

A

Vertical modes (ALT green, G/S blue….)

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4
Q

What does column 3 show?

A

Lateral modes (LOC……)

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5
Q

What does column 4 show?

A

Approach Capabilities (CAT3, DUAL, BARO 532….)

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6
Q

What does column 5 show?

A

AP, FD and A/THR engagement status

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7
Q

What do GREEN annunciations mean on the FMA?

A

Active

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8
Q

What do BLUE annunciations mean on the FMA?

A

Armed

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9
Q

What do WHITE annunciations mean on the FMA?

A

Engaged

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10
Q

What do MAGENTA annunciations mean on the FMA?

A

Restriction

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11
Q

What, and for how long does a WHITE BOX show?

A

Highlights a new selection,

3-10sec depending on mode change

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12
Q

What does a Triple Click indicate?

A

Change in the approach capability, (DUAL to SINGLE), or

change to a reversion

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13
Q

On the Ground, CLB NAV blue, 1FD2?

A

The autoflight system is armed to follow the vertical and lateral navigation after take-off.

Flight directors 1 (Capt) and 2(FO) are ON.

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14
Q

What does the FMA show when PF selects take-off thrust?

A

The other modes that are active and armed:
MAN (white) SRS(gr) RWY(gr)
FLX(wh) +45(b) CLB(bl) NAV (bl) 1FD2(wh)
A/THR (bl)

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15
Q

Where is MAN FLX+45 ad when should it be achieved?

A

Set from the MCDU

Achieved when Thrust levers placed in the FLX MCT detent for take-off

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16
Q

If PF sets TOGA for take-off what will be annunciated on the FMA?

A

MAN
TOGA
in thrust mode column 1

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17
Q

What does a lateral mode (column 3) RWY green on the FMA indicate?

A

RWY centreline guidance will be given on the runway through the yaw bar if an ILS is available.
If no ILS is available the lateral active box will be blank.

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18
Q

If a pre-selected HDG is used for take-off how will this be displayed on the FMA?

A

Column 3, row 2

HDG armed blue

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19
Q

What does SRS green in Vertical mode (column 2) indicate?

A

The aircraft will follow a pitch attitude to maintain V2 - V2+10 kts once airborne

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20
Q

What does A/THR blue in column 5, row 3 indicate?

A

Autothrust is armed

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21
Q

When does RWY green change to NAV green during the take-off?

A

After lift-off.

Shows aircraft is following lateral naviagation as programmed in the FMGC page.

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22
Q

If heading has been pre-selected what tracking will te aircraft follow once airborne?

A

Runway track (RWY TRK green) until the heading knob on the FCU is pulled

FMA shows:
RWY TRK green
HDG blue

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23
Q

1FD2 indicates that:

a) FD1 is following orders from…..?
b) FD2 is following orders from….?

A

a) FMGC1

b) FMGC2

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24
Q

What does white AP1 (white) in column 5 indicate?

A

AP1 is engaged and following orders from FMGC1

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25
Q

What does white AP2 (white) in column 5 indicate?

A

AP2 is engaged and following orders from FMGC2

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26
Q

What Thrust mode appears on the FMA at thrust reduction altitude?

A

LVR CLB flashes to prompt PF to select climb thrust

MAN (wh)
TOGA (wh)
LVR CLB (wh)

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27
Q

After thrust is reduced to Climb position at Thrust reduction altitude, what does the FMA Thrust mode column change to?

A 
THR CLB (green)
gives maximum climb thrust
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28
Q

When does the Autothrust go from armed to active?

A

After thrust is reduced to Climb position at Thrust reduction altitude

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29
Q

When does CLB mode engage?

A

At acceleration altitude

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30
Q

What occurs at acceleration altitude?

A

CLB mode Engages
Aircraft accelerates to 250kts below 10000ft
Flap retraction

CLB green
ALT blue

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31
Q

Above 10000ft what will the FMGC command in thrust and speed?

A

Max climb thrust, and

Vary the pitch to maintain the target ECON climb speed

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32
Q

If an altitude constraint is in the flightplan then what colour will ALT be on the FMA?

A

Magenta

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33
Q

As the aircraft approaches an altitude constraint what does CLB green change to?

A

ALT CST* green

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34
Q

What does ALT CST/ALT indicate?

A

An altitude capture function that allows a smooth change from climbing to levelling off by:
reducing the pitch, and
thrust
to reduce vertical speed

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35
Q

When levelling off what thrust mode will be shown on the FMA?

A

SPEED green

indicating that thrust is being controlled to maintain speed

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36
Q

When out of altitude constraints and cleared to climb what will be indicated on the FMA?

A

THR CLB CLB

Vertical navigation will resume climbing to the FCU selected altitude

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37
Q

How is open climb engaged?

A

By pulling the FCU altitude knob

THR CLB OP CLB(green)

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38
Q

What is commanded if the Expedite pb on the FCU is selected?

A

FMA will change to EXP CLB
FMGS target speed will be green dot
(disregarding any speed of altitude constraints)

39
Q

On reaching cruise altitude the FMGC will select the ECON cruise Mach (speed) and what will show on the FMA?

A

MACH (gr) ALT CRZ (gr)

40
Q

ALT CRZ is a soft altitude mode. What does this mean?

A

The current Mach / Speed is maintained by varying the altitude by +-50ft to avoid changes in thrust

41
Q

How can NAV be re-engaged after flying off track after pulling the HDG knob?

A
  1. Select a track to re-intercept the original FMGC track and push HDG (aircraft will maintain this heading until track is intercepted and aircraft will again follow active flight plan)
  2. Select direct/to in the MCDU
42
Q

How is the descent initiated?

A

Selects lower altutde on FCU, and

Push altitude knob

43
Q

What does the FMGC calculate for descent?

A

Optimum descent point, and

speed to maintain idle thrust until 1000ft AAL

44
Q

If the crew descend earlier than the calculated optimum descent point what will be commanded?

A

1000fpm rate of descent until descent profile regained

SPEED DES NAV
into
THR IDLE DES NAV

45
Q

What will the FMGC command if the crew decend later than te calculated optimum?

A

The FMGC will increase the aircraft speed and rate of descent until optimum descent profile is regained.

THR IDLE DES NAV

46
Q

When aircraft is established on the optimum descent profilewhat wil the FMGC’s command?

A

Idle Thrust, ad

Pitch attitude to maintain the ECON descent speed.

47
Q

What does pulling the altitude knob on the FCU for descent engage?

A

Open descent

THR IDLE OP DES NAV

48
Q

Open descent disregards the optimum descent profile and any flight plan altitude constraints. T/F?

49
Q

What thrust setting will the aircraft descend at in selected mode, to the FCU selected altitude?

A

Idle thrust

50
Q

What happens when Expedite button is pressed on the FCU for descent?

A

The FMA will change to EXP DES, and
FMGS target speed will be 340kts or Mach 0.80
(disregarding any speed or altitude restraints)

THR IDLE EXP DES NAV

51
Q

What is armed when approach button on the FCU is pressed?

A

LOC asnd GS

52
Q

What does CAT3 SINGLE in column 4 of the FMA indicate?

A

Approach capability (fail passive)

53
Q

What does DH 50 in column 4 of the FMA indicate?

A

The decision height as entered into the MCDU

PERF APPR page

54
Q

What does LOC* indicate?

A

The aircraft is capturing the Localiser.

Also set up a turn rate to stop the aircraft overshooting the localiser depending on intercept angle.

55
Q

When both Autopilots are engaged for the ILS what will the approach capability show on the FMA?

A

CAT3 DUAL

CAT3 AP 1+2
DUAL 1FD2
DH 50 A/THR

56
Q

What does LOC indicate?

A

The aircraft is following the localiser signal

57
Q

What does GS* indicate?

A

The aircraft is capturing the glideslope

GS* cannot engage unless LOC* or LOC are active

58
Q

What does GS indicate?

A

The aircraft is descending on the glideslope

59
Q

What does LAND on the FMA indicate?

A

The FCU is locked

60
Q

At what RA does LAND annunciate on the FMA?

A

approx. 350ft RA

61
Q

With LAND engaged what are the only 2 ways to dis-continue the approach?

A
  1. Go-around

2. Disengage autopilots

62
Q

What does FLARE on the FMA indicate?

A

Aircraft is ALIGNing with the centreline,
RAISING the NOSE and
sending a signal to the auto thrust to command IDLE power.

63
Q

At what RA does FLARE occur?

A

approx 30ft

THR IDLE FLARE

64
Q

At FLARE, when pilot sets idle thrust, what disengages?

A

Auto Thrust

65
Q

When does ROLLOUT mode engage?

A

On touchdown

Steers the aircraft along the localiser signal

66
Q

Where does the information come from when the aircraft flies a managed non-precision approach?

A

The info stored in the FMGC

67
Q

What is armed when the APPR pb is pressed on the FCU for a non-precision approach, provided the aircraft is on an intercept heading from the “from/to” waypoints?

A

FINAL, and
APP NAV

SPEED ALT HDG
FINAL APP NAV
MDA 900

68
Q

What does FINAL in the Vertical Mode on the FMA indcate?

A

That the aircraft will descend at the final descent point (VIP Vertical Interception Point-RNAV app) in order to be at the MDA by the MAP

69
Q

What does APP NAV blue in the lateral mode (row 2) on the FMA indicate?

A

The aircraft WILL follow the final approach when intercepting

70
Q

What does APP NAV green indicate?

A

The aircraft IS following the approach track and correcting for any crosswind

71
Q

What does FINAL APP green in both columns 2 and 3 on the FMA indicate?

A

The aircraft is on the inbound track and descending at the final descent point to the MDA.

72
Q

When does the message DISCONNECT AP FOR LDG appear on the FMA?

A

At decision height.

73
Q

After the AP is disconnected at the decision height of a non-precision approach what is shown on the FMA?

A

HDG/VS or TRK/FPA
(depending on FCU selection)

SPEED V/S -700 HDG

74
Q

How is a Go-around initiated?

A

When the thrust levers are moved from CLB to TOGA
(or MCT to TOGA -single engine)

MAN SRS GA TRK CAT3 AP1+2
TOGA ALT(bl) DUAL 1FD2
BARO 400 A/THR (bl)

75
Q

What track does the aircraft initially follow in a go-around?

A

The track the aircraft was flying when it initiated the go-around

76
Q

How does autothrust behave in a go-around?

A

Goes from engaged (white) during the approach to armed (blue) in the go-around

77
Q

During the go-around with AP 1+2, how does the AP behave?

A

the second AP will disengage which temporarily down grades the approach capability (SINGLE -white)

When the system realises no approach is being made it removes the approach capability from the FMA

78
Q

What speed does the aircraft maintain during the go-around?

A

The higher of:
the speed at which go-around was initiated, or
VAPP

79
Q

What is the speed target limited to during a go-around?

A

VLS+25 for 2 engines

VLS+15 single engine

80
Q

How is the crew reminded to set climb thrust when climbing through thrust reduction altitude during the go-around?

A

LVR CLB flashes

81
Q

When does auto thrust become active in a go-around?

A

At thrust reduction altitude when the thrust levers are set at CLB thrust

82
Q

During the go-around, at acceleration altitude the vertical mode changes from SRS to….?

A

OP CLB

THR CLB OP CLB NAV
ALT

83
Q

How can the crew select managed climb mode after a go-around in the climb out?

A

push the altitude knob on the FCU

84
Q

What must be done first to use VS?

A

select an altitude away from your current altitude

85
Q

Wen will the aircraft not fly the selected VS?

A

When it is in ALT at an FCU selected altitude

86
Q

What is TRK/FPA?

A

An autoflight facility that allows:
track across the ground, and
vertical flight path
to be flown

87
Q

What computes the TRK/FPA?

A

The IRS

which correct for wind, both horizontal and vertical

88
Q

What is TRK/FPA used for?

A

Flying an accurate raw data NPA

89
Q

How is TRK/FPA selected?

A

By pressing the TRK/FPA pb on the FCU

90
Q

How is lateral nav track selected using TRK/FPA?

91
Q

How is the vertical nav flight path angle set when in TRK/FPA?

A

By using the V/S knob (set -3.0deg) and PULL

92
Q

When will the PFD show ‘the bird’

A

AP disengaged

FD’s turned OFF

93
Q

What does the bird represent?

A

The aircraft’s actual track and FPA

A320 Knowledge (40 decks)

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