777 Autoflight

Question 1

1. Can t.he 3 A/Ps be engaged with all amber/black stripes on the disengage bar exposed?

Answer 1

No

Question 2

Whic.h AFDS mode switches also automatically engage the autothrottle if either or both A/T switches are at ARM?

Answer 2

2. VNAV, FLCH and TO/GA.

Question 3

3. Is the. CLB/CON switch operative on the ground?

Answer 3

3. No.

Question 4

4. In flight, with the autopilot disengaged and both flight director switches OFF, the first flight director positioned to ON activates which roll & pitch modes?

Answer 4

• Heading hold (HDG HOLD) or track hold (TRK HOLD) as the roll mode; or, if bank angle is greater than five degrees, attitude hold (ATT)
• Vertical speed (V/S) or flight path angle (FPA) as the pitch mode

Question 5

5. How can the IAS/MACH window display be changed from IAS to MACH?

Answer 5

5. Pushing the IAS/MACH reference switch.

Question 6

6. When the FMC (VNAV) controls the speed, what does the IAS/MACH window display?

Answer 6

6. The window is blank.

Question 7

7. Can the IAS/MACH window display a speed when VNAV is engaged?

Answer 7

7. Yes, by pushing the IAS/MACH selector (speed intervention).

Question 8

8. List the methods of disengaging LNAV.

Answer 8

• Selecting heading hold (HDG HOLD) or track hold (TRK HOLD).
• Selecting heading select (HDG SEL) or track select (TRK SEL).
• LOC capture.
• When there is a dual FMC failure (LNAV may be reselected if an active
CDU ALTN NAV route available)).

Question 9

9. In VNAV, which altitude will the AFDS capture during climb or descent; the one selected in the MCP ALT window or FMS target altitude?

Answer 9

9. Whichever is reached first.

Question 10

10. In the Flight Level Change (FLCH) mode, what will be the mode annunciations for A/T and pitch during:
    a. Climb? b. Descent?

Answer 10

a. THR/FLCH SPD.

b. THR then HOLD/FLCH SPD.

Question 11

11. List the methods of disengaging VNAV.

Answer 11

11. Engaging TO/GA, FLCH SPD, V/S, FPA, ALT or G/S pitch modes.

Question 12

12. In addition to the MCP Heading window; where else is Selected Heading displayed?

Answer 12

12. PFD & ND.

Question 13

To which AFDS modes does the BANK LIMIT selector apply?

Answer 13

13. HDG SEL or TRK SEL.

Question 14

What heading does the AFDS command when the following modes are engaged?

a. Heading Select (HDG SEL)
b. Heading Hold (HDG HOLD)

Answer 14

a. The Heading in the MCP window

b. The heading that exists when wings is level established

Question 15

If the A/T is armed, into which mode will the A/T engage if V/S is selected while in FLCH or VNAV?

Answer 15

15. SPD mode.

Question 16

What does the Vertical Speed/Flight Path Angle (V/S-FPA) window display on V/S-FPA engagement?

Answer 16

16. Current V/S/FPA.

Question 17

What is the display range of the V/S/FPA window?

Answer 17

• V/S: -8000 to +6000 fpm. • FPA: -9.9o to +9.9o

Question 18

For what functions does the altitude displayed in the MCP ALT window provide a reference?

Answer 18

18. Altitude Alert and level off.

Question 19

Can the LOC mode be disarmed before capture by pressing the LOC select switch a second time?

Answer 19

Yes

Question 20

How can the LOC mode be disengaged after localizer capture?

Answer 20

• selecting a roll mode other than LNAV
• pushing a TO/GA switch
• disengaging the autopilot and turning both flight director switches off, or • pushing the localizer switch a second time above 1,500 feet radio altitude
(reverts to the default roll mode)

Question 21

How can APP mode be disengaged in the following situations:

a. Before LOC or G/S capture.
b. LOC captured G/S armed.
c. G/S captured LOC armed.
d. LOC and G/S captured.

Answer 21

a. Push APP a second time or select another pitch or roll mode.
b. Select another roll mode.
c. Select another pitch mode.
d. Engage TO/GA mode or disengage A/P and turn off both FDs. (Above
1500ft, press APP switch a second time).

Question 22

What does a green box around a mode mean?

Answer 22

22. The mode has changed within the last 10 seconds.

Question 23

What is the effect of:

a. First push of A/P disengage switch?
b. Second push?What does a green box around a mode mean?

Answer 23

a. A/Ps disengage with all visual and aural warnings. b. Resets visual and aural warnings.

Question 24

24. How can the Master Caution lights and EICAS message be reset after a manual A/T disconnect?

Answer 24

Second push of disconnect switch.

Question 25

25. Briefly describe the A/T HOLD mode.

Answer 25

25. A/T servo inhibited. Levers remain in last position but can be manually positioned.

Question 26

26. The autothrottle can be operated without using the autopilot or F/D. What A/T modes are available in this situation?

Answer 26

26. SPD, mode.

Question 27

a. If the autothrottle is disconnected but still armed, what happens if airspeed approaches stick shaker activation speed?\ b. What speed does the autothrottle command? c. When is this function not available? d. What could happen during a VNAV SPD descent?

Answer 27

a. The auto throttle engages in SPD or THR REF mode. b. Minimum maneuvering speed (top of the amber band) or the speed set in the MCP speed window, whichever is greater. c. When the pitch mode is FLCH or TOGA, or the airplane is below 400 feet after takeoff, or below 100 feet radio altitude on approach. d. The autothrottle may activate in HOLD mode and does not support stall protection.

Question 28

What do the FD bars command at: a. Pre-flight? | b. Lift-off

Answer 28

a. 8 degrees up and wings level. b. V2 + 15 and ground track.

Question 29

29. Which A/T mode will be engaged when a TO/GA switch is pushed on the ground?

Answer 29

29. THR REF

Question 30

30. When does HOLD mode engage during take-off?

Answer 30

80kts

Question 31

31. After lift-off, what are the F/D pitch commands during with an engine failure?

Answer 31

* If engine failure after lift-off occurs, the pitch command target speed is V2, * if below V2; existing speed if between V2 and V2 +15; * and V2 + 15 if above V2 + 15.

Question 32

32. How can the TO/GA mode be terminated after take-off?

Answer 32

By selecting another pitch and roll mode or by activation of LNAV/VNAV modes. 4. AUTO

Question 33

33. When are changes in autoland status annunciations (e.g. LAND 3, LAND 2) inhibited?

Answer 33

Below 200 feet, other than transition to NO AUTOLAND status, are inhibited.

Question 34

34. On approach, with LAND 2 or LAND 3 annunciated, which EICAS Caution messages are not inhibited below 200RA?

Answer 34

34. AUTOPILOT, AUTOTHROTTLE DISCONNECT, SPEEDBRAKE EXTENDED.

Question 35

What roll and pitch annunciations would the PFD display when the APP mode had been selected prior to capture of LOC or G/S?

Answer 35

35. Existing roll & pitch modes in green; LOC & G/S in white.

Question 36

36. What is the maximum localiser intercept angle?

Answer 36

120°

Question 37

37. What determines the LOC capture point?

Answer 37

37. Range from transmitter and intercept angle.

Question 38

38. What are the indications of LOC capture?

Answer 38

38. Green LOC FMA mode.

Question 39

39. Is G/S capture dependent on LOC intercept angle?

Answer 39

39. Yes. Intercept track angle must be within 80° of localizer course.

Question 40

40. When is the ALIGN manoeuvre commenced?

Answer 40

* 500ft AGL for crab angles > 10 degrees * Initially 500ft AGL and again at 200ft for crab angles between 5 degrees and 10 degrees * 200ft AGL for crab angles <5 degrees

Question 41

41. a. When are FLARE and ROLLOUT armed? b. When are FLARE and ROLLOUT engaged?

Answer 41

a. When LAND 3 or LAND 2 is annunciated on PFD. | b. FLARE 50 feet, ROLLOUT less than 2 feet.

Question 42

42. What is the A/T mode annunciation at 25ft RA?

Answer 42

IDLE

Question 43

43. When does the FLARE mode annunciation disappear?

Answer 43

Touchdown

Question 44

44. Until what point does ROLLOUT mode provide guidance?

Answer 44

A/Ps disengaged.

Question 45

45. When will the Go-Around function of TO/GA be armed?

Answer 45

G/S capture or flap selected out of up.

Question 46

46. How does the A/T respond to selection of TO/GA during the approach?

Answer 46

THR mode is engaged. The THR mode provides thrust up to the limit to achieve 2000 fpm climb, then controls thrust to maintain this climb rate.

Question 47

47. What effect does a second push of the TO/GA switch have?

Answer 47

THR REF mode is engaged. Provides full go-around thrust.

Question 48

48. How can TO/GA mode be terminated: a. Below 400 feet RA. | b. Above 400 feet RA.

Answer 48

a. Disengage AP's and turn off both FD's. b. Selecting other pitch or roll modes.