Autoflight

Question 1

AFCS has what functions?

Answer 1

FD
AP
YD
TCS
Automatic pitch trim

Question 2

FGM flight guidance modules what do they do?

Answer 2

FGM 1 is the master and controls FD, AP, YD and auto pitch trim.
FGM 2 slaves to number 1 but they can both operate independently to make calcs
Both must work to have AP and YD

Question 3

FGMs are controlled by?

Answer 3

Flight guidance control panel (FGCP)
On glareshield

Question 4

What does FMA stand for?

Answer 4

Flight mode annunciator
At the top of each PFD

Question 5

FD mode in green and white colour means?

Answer 5

Green is active mode
White is armed mode

Question 6

Pushing the HSI SEL push button does what to the ADC?

Answer 6

It switches the ADC and AHRS to those selected by the associated PFD.

Question 7

HSI SEL push button AP engaged and not engaged does what?

Answer 7

AP not engaged clears all active and armed FD modes and removes FD bars
AP engaged activated the lateral and vertical basic modes (roll hold and pitch hold)

Question 8

AP can’t be engaged and will auto disengage when?

Answer 8

Roll > 45 degrees
Pitch > 20 degrees can’t be engaged
Pitch > 25 degrees will auto disengage

Question 9

YD inhibited when?

Answer 9

Bank angle >45 degrees

Question 10

What happens if FGM 1 fails?

Answer 10

FGM 2 automatically becomes the master and lateral and vertical modes can still be selected

Question 11

LFD FAIL or RFD FAIL message means?

Answer 11

FGM 1 or 2 has failed and autopilot automatically disengages

Question 12

AFCS FAIL message?

Answer 12

Both FGMs have failed which means both FD are disabled

Question 13

What does VOR OS mean?

Answer 13

VOR over-station mode when the signal is unreliable over the VOR the FD provides commands to maintain HDG equivalent to the selected course. Once it gets past that and the signal is reliable again it’ll go back to VOR

Question 14

DUAL FD mode means?

Answer 14

During an ILS app the FGM 1 commands and annunciations are displayed on capt PFD. And FGM 2 on FO PFD. They are both master for there respective side

Question 15

FD HDG DATA INVLD or FD NAV DATA INVLD means?

Answer 15

Failure of required sensor input. Modes not available eg HDG SEL and HDG HOLD and NAV modes not available

Question 16

AP pitch trim system operates at high speed and low speed above or below how many knots?

Answer 16

> 180KIAS low speed
<180KIAS Hugh speed

Question 17

What does the Flap Auto pitch trim system do?

Answer 17

Reduces the changes in control column force during flap movement

Question 18

AUTO TRIM FAIL?

Answer 18

Failure of Flap Auto Pitch Trim function

Question 19

PITCH TRIM caution light indicates?

Answer 19

Pitch trim system failure

Question 20

YD NOT CENTERED means?

Answer 20

Yaw damper actuator is normally centered after disengagement of YD however after certain AFCS failures it may not recenter and you’ll get this message on the PFD

Question 21

ADC 1 being displayed on your primary flight display indicates?

Answer 21

Both PFDs are using data from a single ADC

Question 22

Should DUAL FD fail to appear on the PFDs during an ILS approach (LOC/GS modes) a possible cause may be?

Answer 22

A frequency mismatch between ILS1 and ILS2

Question 23

Changing the EFIS ATT/ HDG SOURCE with the autopilot disengaged will?

Answer 23

Remove the flight directors and all modes from the display

Question 24

Armed flight modes are displayed on the flight mode annunciator (FMA) in?

Answer 24

White

Question 25

Pressing the STBY push button with the autopilot disengaged will?

Answer 25

Remove the flight directors and all modes from display

Question 26

The autopilot will automatically disengage when roll attitude exceeds?

Answer 26

50 degrees

Question 27

During the TCS mode?

Answer 27

All of the above. Flight director mode valves modified by TCS are replaced with dashes TCS replaces the AP indication on the PFDs The flight director bars are removed from view

Question 28

Pressing the HSI SEL push button with the AP disengaged will?

Answer 28

Remove the flight directors and all modes from display

Question 29

With the EFIS ADC source set to NORM, PFD 2 will be supplied with air stats information from

Answer 29

ADC 2

Question 30

Which of the following is not a vertical flight mode?

Answer 30

PITCH SEL

Question 31

A flight mode with an asterisk on the flight mode annunciator (FMA) indicates?

Answer 31

The flight mode is in the capture phase

Question 32

QantasLink policy in relation to back course approaches is?

Answer 32

Back course approaches must not be flown

Question 33

Which of the following is not a lateral mode?

Answer 33

ROLL SEL

Question 34

When NAV is selected on the flight guidance control panel with the FMS as the navigation source?

Answer 34

LNAV appears in reverse video

Question 35

The HDG HOLD lateral flight director mode is available when?

Answer 35

WINGS LVL has been active for 10 seconds with bank angle of less than 3 degrees

Question 36

The message FLD FAIL on the flight mode annunciator (FMA) indicates?

Answer 36

FGM1 has failed

Question 37

Localiser capture is indicated oh the flight mode annunciator by?

Answer 37

LOC* in green

Question 38

AUTO TRIM FAIL being displayed on the flight mode annunciator indicates a failure of the ?

Answer 38

Flap auto pitch trim function

Question 39

Autopilot engagement is inhibited above?

Answer 39

20 degrees pitch attitude

Question 40

What does FGCP FGM YDAU APAU Stand for ?

Answer 40

Flight guidance control panel Flight guidance Modules Yaw damper actuator unit Autopilot actuator unit

Question 41

The Flight Control Electronic Control Unit, or FCECU, gives priority to manual pitch trim commands from the flight crew. If pitch trim is manually activated with. the autopilot engaged, the

Answer 41

autopilot (AP) will disengage.

Question 42

Does an autopilot pitch trim system failure disengage the autopilot?

Answer 42

No

Question 43

Can you engage the AP with the autopilot pitch trim system failed ?

Answer 43

Yes

Question 44

What’s the yaw damper do and how much authority?

Answer 44

The Yaw Damper (YD) minimises Dutch roll tendencies and coordinates turns. Mechanical stops limit Yaw Damper (YD) authority to a maximum of 4.5 degrees of rudder travel.

Question 45

The ROLL HOLD lateral flight director mode is available between...?

Answer 45

6-45 degrees