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United 737 SV study > United 737 Autoflight > Flashcards

United 737 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 TOGA switch with a single AP engaged in CWS or CMD below 2000 feet RA.

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8
Q

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

MA on that respective flight director

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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 GA indicate on the AFDS flight mode annunciations auto-throttle mode

A

The autothrottle mantains thrust at reduced go around setting

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16
Q

What does FMC SPD indicate on the AFDS FMA autothrottle mode?

A

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

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17
Q

What does MCP SPD indicate on the AFDS FMA AT mode?

A

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

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18
Q

What does THR HLD indicate on the AFDS FMA AT mode?

A

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

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19
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

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20
Q

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

A

ALL ANSWERS are Correct!
Inflight below 2000 feet radio altitude
not in takeoff mode and either F/D switch ON or OFF

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21
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

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22
Q

In the pitch mode, the AFDS FMA VNAV PTH commands ___

A

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

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23
Q

In the pitch mode, the AFDS FMA V/S engaged commands

A

Pitch to hold selected vertical speed

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24
Q

In the pitch mode the AFDS FMA 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.

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25
Q

In the pitch mode the AFDS FMA ALT HOLD commands ___

A

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

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26
Q

In the pitch mode the AFDS FMA MCP SPD commands

A

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

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27
Q

In the ptich mode the AFDS FMA G/S engaged commands

A

the AFDS to follow the ILS glideslope

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28
Q

In the pitch mode the AFDS FMA FLARE engaged commands ____

A

During a dual A/P ILS approach, flare engages at 50 feet RA. FLARE accomplishes the auto flare maneuver

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29
Q

In the roll mode the AFDS FMA LNAV commands

A

the AFDS to intercept and tract the active FMC route

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30
Q

In the roll mode the AFDS FMA HDG SEL commands __

A

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

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31
Q

Looking at the Mode Control Panel Speed mode engages automatically when;

A

All answers are correct

ALT ACQ engages or ALT HOLD engages
V/S engages or G/S Capture occurs

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32
Q

If you push the Speed Intervention (SPD INTV) switch on the MCP when VNAV is engaged this ____

A

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

33
Q

If you engage VNAV, the FMC command the AFDS pitch and ____ to fly vertical profile selected on the ___

A

autothrottle; FMC CDUs

34
Q

Wile you are in VNAV SPD descent, the autothrottle holds ____ and the AFDS ____

A

IDLE ; holds FMC target speed

35
Q

While youare 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

36
Q

If you push the Level Change switch in a Climb this commands the autothrottles to hold ____ thrust and the AFDS to hold selected airspeed

A

limit

37
Q

If you push the LVL CHG switch in a descent, this commands the autothrottles to hold ___ thrust and the AFDS to hold selected airspeed

A

idle

38
Q

While you are in Altitude Hold, if the Altitude Selector on the MCP is rotated in any direction, the ____ mode is armed

A

V/S

39
Q

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

A

eliminated

40
Q

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

A

FMC route

41
Q

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

A

True

42
Q

Pushing the APP switch arms the AFDS for what?

A

localizer and glideslope capture

43
Q

On Takeoff or missed approach, do not engage autopilot below

A

400’

44
Q

Autoland- Max Headwind is

A

25 Knots

45
Q

Autoland- Max Crosswind

A

15 Knots

46
Q

Autoland- Max Tailwind for 737 800

Flaps 30 or 40 is ____

A

10 knots

47
Q

Autoland- Max Tailwind for B737 900 Flaps 40 is ___

A

10 knots

48
Q

Autoland-Max Tailwind for the B737 900 Flaps 30

Field Elevation 4001-6000’ is ____

A

5 knots

49
Q

Autoland- Max Tailwind for the B737 900 with Flaps 30 with Field Elevation 4000’- or less is ____

A

10 knots

50
Q

Autoland- Max Tailwind for the B737-900 with flaps 30 with field elevation 6001 feet and above is

A

0 knots

51
Q

All Autopilot Flight Director Modes can be disengaged either by selection another command mode or

A

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

52
Q

Autopilot engagement in CMD or CWS is inhibited unless

A

all answers are correct

53
Q

The F/Ds can be operated

A

WITH or WITHOUT the A/P & A/T

54
Q

What does FD in the autopilot status display of the AFDS indicate?

A

The flight director is ON and the autopilot is either OFF or engaged in CWS

55
Q

What does 1CH in the autopilot status display of the AFDS indicate?

A

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

56
Q

what does N1 on the AFDS FMA AT mode indicate?

A

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

57
Q

What does RETARD on the AFDS FMA AT mode indicate?

A

The AT maintains thrust at the selected N1 limit displayed on the thrust mode display

58
Q

What does ARM on the AFDS Flight Mode Annunciations Autothrottle Mode Indicate?

A

No Autothrottle mode engaged. The thrust lever autothrottle servos are inhibited; the pilot can set thurst levers manually.

59
Q

The AFDS FMA in the roll mode, VOR/LOC engaged commands

A

AFDS to track selected VOR course or track selected localizer course along the inbound front course bearing

60
Q

The A/T system operates properly with the EECs

A

All answers are correct

On
ALTN

61
Q

Which of the following actions or conditions will disengage the A/Ts?

A

Moving the A/T Arm switch to OFF
Pushing Either A/T disengage Switch
or 2 seconds have passed since landing touchdown

62
Q

Dual A/P approach, the second VHF NAV receiver must. be tuned to the ILS freq and the corresponding A/P engaged in CMD prior to

A

800’ RA

63
Q

If FLARE is not arrmed by approx 350’ RA___

A

both A/Ps automatically disengage

64
Q

During a single channel AP approach operation

A

An AP go around is not available.

65
Q

The AFS provides speed, pitch, and thrust commands to avoid exceeding the following limit speeds

A

Vmo/Mmo, wing flap placards, landing gear placard and minimum speed

66
Q

The IAS/MACH display is blank when____

A

VNAV mode is engaged

67
Q

With the N1 light illuminated, pushing the N1 switch on the MCP

A

Deselects N1 mode and extinguishes switch light

68
Q

Rotating the speed selector knob on the MCP ____

A

sets the speed in IAS/MACH display and positions airspeed cursor

69
Q

Pushing Speed INTV when VNAV is engaged

A

Reveals the IAS/MACH display
Activates FMC speed intervention
Displays the FMC target speed
Allows the IAS/MACH selector to be used to set the desired speed

70
Q

By engaging VNAV, the FMC command the AFDS pitch and _____ to fly vertical profile selected on the ____

A

autothrottle

FMC CDUs

71
Q

In a VNAV SPD descent the autothrottle holds _____ and the AFDS ____

A

IDLE

Holds FMC Target Speed

72
Q

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

73
Q

The Altitude display on the MCP is set by the Altitude Selector and displays selected altitude from 0 to 50,000 feet in ___ foot increments

A

100’

74
Q

The V/S Window ___ when V/S is ____

A

blanks

not active

75
Q

Pushing ALT HOLD switch commands pitch to hold

A

uncorrected barometric altitude at which the switch was pressed

76
Q

Selecting VOR LOC switch commands the AFDS roll to capture and track the selective____

A

ALL ANSWERS ARE CORRECT

VOR
& LOC

77
Q

The bank angle selector sets the maximum bank angle for the AFDS opeartion in ____ modes

A

HDG SEL or VOR

78
Q

The Command Engage (CMD ENGAGE) switch A or B ____

A

All answers are correct

79
Q

The Control wheel steering engage CWS engage switch A or B

A

All answers are correct

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