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AJ T8-8 > Autoflight > Flashcards

Autoflight Flashcards

1
Q

Autoflight

How many autopilots are installed on the 787

A

3

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2
Q

Autoflight

What does LAND2 indicate ?

A

Fail passive mode.
Automatic landing is possible.
A single fault cannot cause a significant deviation from the flight path.

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3
Q

Autoflight

How can G/S and LOC modes be deactivated below 1500 ft ?

A
  • By selecting TOGA (TOGA switch) or,

- AP and both F/Ds OFF.

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4
Q

Autoflight

Which mode indicates the autothrottle servos are inhibited ?

A

HOLD (displayed on the FMA)

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5
Q

Autoflight

What does a line through a ROLL or PITCH mode indicate ?

A

The mode is degraded.

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6
Q

Autoflight

After takeoff, with LNAV armed, when will LNAV become active ?

A

50 ft

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7
Q

Autoflight

During a go around, a SINGLE push of either TO/GA switch will command what level of thrust ?

A

Autothrottle activates in THR mode to establish a minimum climb rate of 2000 ft/min.

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8
Q

Autoflight

During a go around, a SECOND push of either TO/GA switch will command what level of thrust ?

A

Autothrottle activates in THR REF mode at full go around thrust.

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9
Q

Autoflight

What does the message “DRAG REQUIRED” indicate in VNAV ?

A

The current Airspeed is > 10 kts from the target speed.

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10
Q

Autoflight

When VNAV is armed for take-off, when does it activate ?

A

At 400 feet AGL

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11
Q

Autoflight

When a higher or lower MCP altitude is set, what happens when FLCH is pushed ?

A

A/T advances or retards thrust levers to provide 500 FPM vertical speed for each 1000 FT altitude change.
AFDS attempt to reach the MCP selected altitude within 2 MINUTES if able with available thrust. Otherwise, it uses IDLE or CLB thrust to reach the MCP selected altitude.

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12
Q

Autoflight

When is TO/GA armed for Go-around ?

A
  • When flaps are not UP or,

- When GS/GP is captured.

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13
Q

Autoflight

What does LAND3 indicate ?

A

Fail Operational mode.
Automatic landing is possible.
Auto pilot system level of redundancy is such that a single fault cannot prevent the autopilot system from making an automatic landing.

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13
Q

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

A

No.

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14
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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15
Q

Is the CLB/CON switch operative on the ground?

A

No.

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16
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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17
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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18
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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19
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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20
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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21
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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22
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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23
Q

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

A

PFD, HUD & ND.

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24
Q

To which AFDS modes does the BANK LIMIT selector apply?

A

HDG SEL or TRK SEL.

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25
Q

What heading does the AFDS command when the following modes are engaged?a. Heading Select (HDG SEL) b. HeadingHold(HDGHOLD)

A

a. The heading in the MCP window.b. The heading that exists when wings is level established.

26
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.

27
Q

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

A

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

28
Q

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

A

Altitude Alert and level off.

29
Q

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

A

Yes.

30
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

31
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

32
Q

What does a green box around a FMA mode mean?

A

Mode has been changed within the last 10 secs.

33
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.

34
Q

Briefly describe the A/T HOLD mode.

A

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

35
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.

36
Q

If the autothrottle is disconnected but still armed, what happens ifa. 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

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

37
Q

List the methods of disconnecting the A/T.

A

A/T arm switch OFFPushing either thrust lever disconnect switch,A/T faultsReverse thrust levers to reverse.

38
Q

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

A

Second push of disconnect switch.

39
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.

40
Q

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

A

THR REF.

41
Q

When does HOLD mode engage during take-off?

A

80kts.

42
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, if airspeed is above V2+15

43
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.

44
Q

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

A

HUD TO/GA.

45
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 45° of runway heading.

46
Q

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

A

Below 200ft.

47
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.

48
Q

The AFDS provides autopilot guidance for what type of approaches?

A

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

49
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.

50
Q

What is the maximum LOC or FAC intercept angle?

A

120°.

51
Q

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

A

An FMC computed glidepath (G/P).

52
Q

a. Do IAN approaches support automatic landings?b. What alert would the pilot receive if the autopilot were not disengagedduring the final stages of an IAN approach?

A

a. No, the pilot flying must disengage the autopilot and complete the landing manually.b. A NO AUTOLAND alert appears on the PFD and HUD if the autopilot remains engaged below 100 feet RA.

53
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 10degrees.• 200ft AGL for crab angles <5 degrees.

54
Q

a. When is FLARE mode armed?b. When does FLARE mode engage?

A

When LAND 3 or LAND 2 is annunciated on the PFDs and HUDs, approximately 50ft RA.

55
Q

a. When is ROLLOUT mode armed?b. When does ROLLOUT mode engage?

A

When LAND 3 or LAND 2 is annunciated on the PFDs and HUDs, touchdown with weight on the wheels.

56
Q

When does the FLARE mode annunciation disappear?

A

Touchdown.

57
Q

Until what point does ROLLOUT mode provide guidance?

A

The autopilots are disengaged.

58
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. IANapproach?

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.

59
Q

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

A

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

60
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.

61
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.

62
Q

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

A

a. Above 50ft. b. Above 200ft.

63
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.

AJ T8-8 (27 decks)

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