Autoflight Flashcards

1
Q

While the Autopilot is engaged, the use of Aileron Trim is _______.

A

prohibited

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2
Q
The AFDS (Autopilot Flight Director System ) is a dual system consisting of \_\_\_\_\_individual FCCs ( flight
control computers ) and a single mode control panel.
A

two

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3
Q
All AFDS (Autopilot Flight Director System) modes can be disengaged when you select another command
mode or \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.
A

by disengaging the A/P and turning the F/Ds off

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4
Q

Unless ________, Autopilot engagement in CMD or CWS is inhibited.

A
  • No force is being applied to the control wheel.

* The STAB TRIM AUTOPILOT cutout switch is at NORMAL

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5
Q

When you are in a single A/P operation, full automatic flare and touchdown capability and A/P
go-around capability are ______.

A

not available

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6
Q

What steering command allows both of the A/Ps to be engaged at the same time?

A

the Approach mode

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7
Q

The A/P automatically disengages when __________:

A

• Activating either pilot’s control wheel trim switch or loss of respective hydraulic system pressure
• Pushing either A/P disengage switch or pushing either Takeoff / Go-around (TO/GA) switch with a single
A/P engaged in CWS or CMD below 2000 feet RA

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8
Q

On the 737, the F/Ds can be operated __________.

A

with or without the A/P and A/T

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9
Q

How do you know which FCC is the master?

A

by illumination of the respective master (MA) F/D indicator light

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10
Q

What following indications are displayed in the A/P status display located above the attitude indicator?

A
  • CMD, FD, 1 CH

* CWS P, CWS R

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11
Q

What does “CMD” indicate in the autopilot status display of the AFDS?

A

one or both autopilots are engaged

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12
Q

What does CWS P indicate in the autopilot status display of the AFDS?

A

pitch mode engaged in CWS

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13
Q

What does CWS R indicate in the autopilot status display of the AFDS?

A

roll mode engaged in CWS

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14
Q

What does SINGLE CH indicate in the autopilot status display of the AFDS?

A

for a single A/P ILS approach, annunciates after localizer capture and remains on for entire approach

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15
Q

What does N1 indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

A

The autothrottle maintains thrust at the selected N1 limit displayed on the thrust mode display, including
full go-around N1 setting.

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16
Q

What does GA indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

A

The autothrottle maintains thrust at reduced go-around setting.

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17
Q

What does FMC SPD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

A

The autothrottle maintains speed commanded by the FMC. The autothrottle is limited to the N1 value
shown on the thrust mode display.

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18
Q

What does MCP SPD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

A

The autothrottle maintains speed set in the MCP IAS/MACH display. The autothrottle is limited to the N1
value shown on the thrust mode display.

19
Q

What does THR HLD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

A

The thrust lever autothrottle servos are inhibited; the pilot can set the thrust levers manually.

20
Q

To engage a TO/GA mode for takeoff ______________ and you have to press either TO/GA switch

A

both FD switches must be ON

21
Q

To engage a TO/GA mode for go-around, press either TO/GA switch when _______

A
  • Inflight below 2000 feet radio altitude

* not in takeoff mode and either F/D switch ON or OFF

22
Q

While you are in the pitch mode, VNAV SPD commands _______

A

the AFDS to maintain the FMC speed displayed on the airspeed indicator and/or the CDU CLIMB or
DESCENT pages

23
Q

In the pitch mode, the AFDS Flight Mode Annunciation VNAV PTH commands _______.

A

• the AFDS to maintain FMC altitude or descent path with pitch commands

24
Q

In the pitch mode, the AFDS Flight Mode Annunciation V/S (engaged) commands _______.

A

pitch to hold selected vertical speed

25
Q

In the pitch mode the AFDS Flight Mode Annunciation ALT ACQ commands _______.

A

a transition maneuver entered automatically from a V/S, LVL CHG, or VNAV climb or descent to the
selected MCP altitude.

26
Q

In the pitch mode the AFDS Flight Mode Annunciation ALT HOLD commands _______.

A

pitch to hold MCP selected altitude or uncorrected barometric altitude at which ALT HOLD switch was
pushed

27
Q

In the pitch mode the AFDS Flight Mode Annunciation MCP SPD commands _______.

A

the AFDS to maintain the IAS/MACH window airspeed or Mach

28
Q

In the pitch mode the AFDS Flight Mode Annunciation G/S (engaged) commands _______.

A

the AFDS to follow the ILS glideslope

29
Q

In the pitch mode the AFDS Flight Mode Annunciation FLARE (engaged) commands _______.

A

During a dual A/P ILS approach, flare engages at 50 feet radio altitude. FLARE accomplishes the autoland
flare maneuver.

30
Q

In the roll mode the AFDS Flight Mode Annunciation LNAV commands _______.

A

the AFDS to intercept and track the active FMC route

31
Q

In the roll mode the AFDS Flight Mode Annunciation HDG SEL commands _______.

A

the aircraft to turn to, or remain on the heading selected in the MCP Heading Display

32
Q

Looking at the Mode Control Panel, Speed mode engages automatically when:

A
  • ALT ACQ engages or ALT HOLD engages

* V/S engages or G/S capture occurs

33
Q

If you push the Speed Intervention (SPD INTV) Switch on the Mode Control Panel when VNAV is engaged, this __________________.

A

reveals the IAS/MACH display, activates FMC speed intervention, displays the FMC target speed, and allows
the IAS/MACH selector to be used to set the desired speed

34
Q

If you engage VNAV, the FMC command the AFDS pitch and ______________ to fly vertical profile selected
on the ____________.

A

autothrottle; FMC CDUs

35
Q

While you are in a VNAV SPD descent, the autothrottle holds ______ and the AFDS _________.

A

idle; holds FMC target speed

36
Q

While you are in a VNAV PTH descent, the autothrottle holds ______ and the AFDS _________.

A

idle but can command FMC SPD mode if ground speed becomes too low to maintain FMC vertical path;
tracks FMC descent path

37
Q

If you push the Level Change (LVL CHG) switch in a climb, this commands the autothrottles to hold ______
thrust and the AFDS to hold selected airspeed.

A

• limit

38
Q

If you push the Level Change (LVL CHG) switch in a descent, this commands the autothrottles to hold ______ thrust and the AFDS to hold selected airspeed.

A

idle

39
Q

While in you are in Altitude Hold, if the Altitude Selector on the Mode Control Panel is rotated in any
direction, the ______ mode is armed.

A

V/S

40
Q

When you are actively descending or climbing with VNAV engaged, if the ALT INTV switch is pushed, the next altitude restriction in the FMC will be _________.

A

eliminated

41
Q

Pushing the LNAV Switch commands the AFDS roll to intercept and track the active _______ on the Mode
Control Panel.

A

• FMC route

42
Q

Initially, pushing the HDG SEL (Heading Select) switch commands a turn in the shortest direction towards the
heading bug

A

• True

43
Q

Pushing the Approach (APP) Switch arms the AFDS for what?

A

localizer and glideslope capture