Flight Management

Question 1

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

Answer 1

FMGC1

Question 2

What are the four FMGS modes of operation?

Answer 2

• Dual Mode
• Independent Mode
• Single Mode
• Back up Navigation Mode

Question 3

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

Answer 3

FMGC1

Question 4

What will the scratchpad say in independent mode?

Answer 4

‘Independent operation’

Question 5

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

Answer 5

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

Question 6

In single mode, what will the scratchpad say?

Answer 6

OPP FMGC IN PROGRESS

Question 7

How do you get back up navigation mode?

Answer 7

The flight crew will select this when both FMGCs fail

Question 8

What is MIX IRS?

Answer 8

The average of IRS1 IRS2 and IRS3

Question 9

What does a magenta circle mean on the ND?

Answer 9

You will honour the constraint

Question 10

What does an orange circle mean on the ND?

Answer 10

You will not be able to honour the constraint

Question 11

What does a white circle mean on the ND?

Answer 11

You are in selected mode so the constraint is irrelevant

Question 12

What does the FMGC provide?

Answer 12

Flight management and Flight guidance

Flight guidance function - autopilot, auto thrust and flight directors

Question 13

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

Answer 13

Climb phase

Question 14

What speed does SRS command in the climb?

Answer 14

V2 + 10 for two engines

Question 15

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

Answer 15

The pitch

Question 16

What speed will the aircraft target in an early descent?

Answer 16

1000 ft/min until it intercepts the original path

Question 17

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

Answer 17

100 ft and at least 5 secs

Question 18

What two modes does the auto thrust have?

Answer 18

• thrust mode
• speed mach mode

Question 19

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

Answer 19

Basic mode

Question 20

What does 1FD1 ECAM mean?

Answer 20

Both sides are using FD1

Question 21

What is dual mode?

Answer 21

Normal Mode

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

Question 22

What is independent mode?

Answer 22

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

Question 23

What is single mode?

Answer 23

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

Question 24

What is back up navigation mode?

Answer 24

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

Question 25

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

Answer 25

'NAV ACCUR DOWNGRAD' on the scratchpad and ND in amber

Question 26

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

Answer 26

'NAV ACCUR UPGRADE' on the scratchpad and ND in white

Question 27

How many phases of flight does the MCDU have?

Answer 27

eight

Question 28

What does a blue or white zig zag arrow mean?

Answer 28

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

Question 29

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

Answer 29

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

Question 30

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

Answer 30

FCU is used for short term corrections FMGC is used for long term flight path management

Question 31

When will the autopilot automatically disconnect?

Answer 31

At Vls or Vmax

Question 32

When can you engage both APs?

Answer 32

- LOC is armed - G/S is armed - Go-Around engaged AP1 is always active and AP2 is always standby

Question 33

What speed does SRS target on the ground?

Answer 33

V2

Question 34

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

Answer 34

160 ft