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787 Groundschool > Autoflight > Flashcards

Autoflight Flashcards

1
Q

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

A

No

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2
Q

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

A

VNAV, FLCH and TO/GA.

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3
Q

Is the CLB/CON switch operative on the ground?

A

No

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4
Q

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

A

HDG (TRK) HOLD, or ATT if bank angle more than 5 degrees, as the roll mode. V/S (FPA) as the pitch mode.

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5
Q

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

A

Pushing the IAS/MACH reference switch.

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6
Q

When VNAV is active, and the FMC is controlling the target speed, what does the IAS/MACH window display?

A

The window is blank.

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7
Q

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

A

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

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8
Q

List the methods of disengaging LNAV.

A

• Selecting heading hold (HDG HOLD) or track hold (TRK HOLD).
• Selecting heading select (HDG SEL) or track select (TRK SEL).
• LOC or FAC capture.
• When there is a dual or triple FMC failure (LNAV may be reselected if an
FMC remains functional).

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9
Q

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

A

Whichever is reached first.

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10
Q

In the Flight Level Change (FLCH) mode, what will be the autothrottle & pitch mode annunciations:

a. Climb?
b. Descent?

A

a. THR/FLCH SPD.

b. THR then HOLD/FLCH SPD.

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11
Q

In addition to the MCP Heading window; where else is selected heading displayed?

A

PFD, HUD & ND.

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12
Q

To which AFDS modes does the BANK LIMIT selector apply?

A

HDG SEL or TRK SEL.

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13
Q

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

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

A

a. The heading in the MCP window.

b. The heading that exists when wings is level established.

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14
Q

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

A

Current V/S or FPA.

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15
Q

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

A

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

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16
Q

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

A

Altitude Alert and level off.

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17
Q

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

A

Yes

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18
Q

How can the LOC/FAC mode be disengaged after final approach course capture?

A
  • selecting a roll mode other than LNAV
  • pushing a TO/GA switch
  • pushing the APP switch
  • disengaging the autopilot and turning both flight director switches off, or
  • engaging an autopilot when in flight director only
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19
Q

How can APP mode be disengaged?

A

• disengaging the autopilot and turning both F/D switches OFF.
• by pushing APP when above 1,500 feet radio altitude
• with localiser captured and glideslope armed, by selecting heading select
(HDG/TRK SEL) or heading hold (HDG/TRK HOLD)
• after localizer and glideslope are captured, by selecting TO/GA mode

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20
Q

What does a green box around a FMA mode mean?

A

Mode has been changed within the last 10 secs

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21
Q

What is the effect of:

a. First push of A/P disengage switch?
b. Second push?

A

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

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22
Q

Briefly describe the A/T HOLD mode.

A

A/T servo inhibited. Pilot can set thrust levers manually.

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23
Q

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

A

THR REF, SPD, HOLD or IDLE modes.

24
Q

If the autothrottle is disconnected but still armed, what happens if
airspeed approaches stick shaker activation speed?

A

a. The autothrottle engages in SPD mode.

25
Q

If the autothrottle is disconnected but still armed, what happens if
airspeed approaches stick shaker activation speed?
B-> What speed does the autothrottle command?

A

b. Minimum maneuvering speed (top of the amber band) or the speed set in
the MCP speed window, whichever is greater.

26
Q

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?

A

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.

27
Q

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?

A

d. The autothrottle may activate in HOLD mode and does not support stall
protection.

28
Q

List the methods of disconnecting the A/T.

A

A/T arm switch OFF, pushing either thrust lever disconnect switch, A/T faults or reverse thrust levers to reverse.

29
Q

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

A

Second push of disconnect switch.

30
Q

What do the FD bars command at:

a. Pre-flight?
b. Lift-off?

A

a. 8 degrees up and wings level.

b. V2 + 15 and ground track.

31
Q

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

A

THR REF

32
Q

When does HOLD mode engage during take-off?

A

80kts.

33
Q

After lift-off, what are the FD pitch commands with an engine failure?

A
  • V2, if airspeed is below V2, or

* existing speed, if airspeed is between V2 and V2 + 15, or • V2+15,ifairspeedisaboveV2+15

34
Q

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

A

By selecting any other pitch and roll mode or by activation of LNAV/VNAV.

35
Q

What is the active FMA roll mode if a HUD TAKEOFF departure is selected in the FMC?

A

HUD TO/GA.

36
Q

When does the take-off guidance become available during a HUD take-off?

A

Once the airplane approaches the runway center line and airplane heading is within 45o of runway heading.

37
Q

On approach, when are changes to the autoland status annunciations (e.g. LAND 2, LAND 3 & NO AUTOLAND) inhibited?

A

Below 200ft

38
Q

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

A

AUTOPILOT
AUTOTHROTTLE DISCONNECT
SPEEDBRAKE EXTENDED

39
Q

The AFDS provides autopilot guidance for what type of approaches?

A
  • Instrument Landing System (ILS).
  • GBAS Landing System (GLS).
  • Integrated Approach Navigation (IAN)
40
Q

Pushing the LOC/FAC switch arms the AFDS to do what?

A

To capture and maintain an approach lateral flight path to a runway using an:
• ILS localizer beam or
• a lateral path provided by the FMC

41
Q

What is the maximum LOC or FAC intercept angle?

A

120 Degrees

42
Q

What do approaches flown with IAN procedures use for vertical path guidance?

A

An FMC computed glidepath (G/P)

43
Q

Do IAN approaches support automatic landings?

A

No, the pilot flying must disengage the autopilot and complete the landing manually.

44
Q

What alert would the pilot receive if the autopilot were not disengaged
during the final stages of an IAN approach?

A

A NO AUTOLAND alert appears on the PFD and HUD if the autopilot remains engaged below 100 feet RA.

45
Q

When is the ALIGN maneuver commenced?

A

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

46
Q

When is FLARE mode armed?

A

When LAND 3 or LAND 2 is annunciated on the PFDs and HUDs.

47
Q

When does FLARE mode engage?

A

Approximately 50ft RA

48
Q

When is ROLLOUT mode armed?

A

When LAND 3 or LAND 2 is annunciated on the PFDs and HUDs

49
Q

When does ROLLOUT mode engage?

A

Touchdown with weight on the wheels

50
Q

When does the FLARE mode annunciation disappear?

A

Touchdown

51
Q

Until what point does ROLLOUT mode provide guidance?

A

The autopilots are disengaged

52
Q

What roll and pitch annunciations would the PFD display when the APP mode had been selected prior to capture of an: -

a. ILS approach?
b. IAN approach?

A

a. Existing roll & pitch modes in green; LOC & G/S in white.
b. Existing roll & pitch modes in green; FAC & G/P in white.

53
Q

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

A

When flaps are out of up or glideslope/glidepath is captured

54
Q

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

A

The A/T activates in thrust (THR) to establish a minimum climb rate of 2,000 FPM

55
Q

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

A

The A/T activates in thrust reference (THR REF) at full go–around thrust

56
Q

During a go-around with an LNAV path available, at what radio altitude will LNAV automatically arm and activate with the: -
a- autopilot not engaged? b- autopilot engaged?

A

a. Above 50ft.

b. Above 200ft.

57
Q

How can TO/GA mode be terminated:

a. Below 400 feet RA.
b. Above 400 feet RA.

A
  • below 400 feet radio altitude, disengage autopilot and turn off both flight directors, or automatic LNAV activation (after automatic LNAV activation, a different roll mode can be selected).
  • above 400 feet radio altitude, select a different roll or pitch mode.

787 Groundschool (6 decks)

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