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Airbus > Flight Management > Flashcards

Flight Management Flashcards

1
Q

In dual mode, with both APs engaged, which FMGC is master?

A

FMGC1

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2
Q

What are the four FMGS modes of operation?

A
  • Dual Mode
  • Independent Mode
  • Single Mode
  • Back up Navigation Mode
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3
Q

In dual mode, with no AP or FD, what is the A/THR controlled by?

A

FMGC1

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4
Q

What will the scratchpad say in independent mode?

A

‘Independent operation’

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5
Q

In single mode, what warnings will you get on the ND?

A

On the ND associated with the failed FMGC:
- MAP NOT AVAIL
- SET OFFSIDE FM CONTROL
- OFFSIDE FM CONTROL

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6
Q

In single mode, what will the scratchpad say?

A

OPP FMGC IN PROGRESS

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7
Q

How do you get back up navigation mode?

A

The flight crew will select this when both FMGCs fail

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8
Q

What is MIX IRS?

A

The average of IRS1 IRS2 and IRS3

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9
Q

What does a magenta circle mean on the ND?

A

You will honour the constraint

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10
Q

What does an orange circle mean on the ND?

A

You will not be able to honour the constraint

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11
Q

What does a white circle mean on the ND?

A

You are in selected mode so the constraint is irrelevant

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12
Q

What does the FMGC provide?

A

Flight management and Flight guidance

Flight guidance function - autopilot, auto thrust and flight directors

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13
Q

What phase of flight will you be in until reaching cruise alt?

A

Climb phase

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14
Q

What speed does SRS command in the climb?

A

V2 + 10 for two engines

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15
Q

In climb mode, what controls the speed of the aircraft?

A

The pitch

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16
Q

What speed will the aircraft target in an early descent?

A

1000 ft/min until it intercepts the original path

17
Q

What is the minimum height after take off to engage the autopilot?

A

100 ft and at least 5 secs

18
Q

What two modes does the auto thrust have?

A
  • thrust mode
  • speed mach mode
19
Q

What mode will the AP be in with flight directors off?

A

Basic mode

20
Q

What does 1FD1 ECAM mean?

A

Both sides are using FD1

21
Q

What is dual mode?

A

Normal Mode

Each performs their own computations and exchange the data. Whichever AP is selected is the master.

22
Q

What is independent mode?

A

It is automatically selected under abnormal conditions. Both work independently and are linked on to their onside peripherals (FMGC1 with MCDU1 etc).

23
Q

What is single mode?

A

It is automatically selected when one FMGC fails. One FMGC is linked to both MCDUs and both are synchronised and show the same info.

24
Q

What is back up navigation mode?

A

Flight crew select this when both FMGCs fail. The MCDUs go directly to EFIS.

25
Q

What message will you get when the estimated nav accuracy is lower than required?

A

‘NAV ACCUR DOWNGRAD’ on the scratchpad and ND in amber

26
Q

What message will you get when the estimated nav accuracy increases above what is required?

A

‘NAV ACCUR UPGRADE’ on the scratchpad and ND in white

27
Q

How many phases of flight does the MCDU have?

A

eight

28
Q

What does a blue or white zig zag arrow mean?

A

Intercept point - where the aircraft is predicted to intercept the descent path

29
Q

If you’re off track, what does the MCDU predict?

A

You will intercept the path at 45 degree angle, or if more than 45 then at the next waypoint

30
Q

What type of flying are the FCU and the FMGC used for?

A

FCU is used for short term corrections

FMGC is used for long term flight path management

31
Q

When will the autopilot automatically disconnect?

A

At Vls or Vmax

32
Q

When can you engage both APs?

A
  • LOC is armed
  • G/S is armed
  • Go-Around engaged

AP1 is always active and AP2 is always standby

33
Q

What speed does SRS target on the ground?

A

V2

34
Q

What is the lowest altitude for ILS CAT I with AP engaged?

A

160 ft

Airbus (14 decks)

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