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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
In the pitch mode the AFDS FMA ALT HOLD commands ___
pitch to hold MCP selected altitude or uncorrected barometric altitude at which ALT HOLD switch was pushed
26
In the pitch mode the AFDS FMA MCP SPD commands
the AFDS to maintain the IAS/MACH window airspeed or Mach
27
In the ptich mode the AFDS FMA G/S engaged commands
the AFDS to follow the ILS glideslope
28
In the pitch mode the AFDS FMA FLARE engaged commands ____
During a dual A/P ILS approach, flare engages at 50 feet RA. FLARE accomplishes the auto flare maneuver
29
In the roll mode the AFDS FMA LNAV commands
the AFDS to intercept and tract the active FMC route
30
In the roll mode the AFDS FMA HDG SEL commands __
the aircraft to turn to or remain on the heading selected in the MCP Heading Display
31
Looking at the Mode Control Panel Speed mode engages automatically when;
All answers are correct ALT ACQ engages or ALT HOLD engages V/S engages or G/S Capture occurs
32
If you push the Speed Intervention (SPD INTV) switch on the MCP when VNAV is engaged this ____
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
If you engage VNAV, the FMC command the AFDS pitch and ____ to fly vertical profile selected on the ___
autothrottle; FMC CDUs
34
Wile you are in VNAV SPD descent, the autothrottle holds ____ and the AFDS ____
IDLE ; holds FMC target speed
35
While youare in a VNAV PTH descent, the autothrottle holds ____ and the AFDS ____
idle but can command FMC SPD mode if ground speed becomes too low to maintain FMC vertical path; tracks FMC descent path
36
If you push the Level Change switch in a Climb this commands the autothrottles to hold ____ thrust and the AFDS to hold selected airspeed
limit
37
If you push the LVL CHG switch in a descent, this commands the autothrottles to hold ___ thrust and the AFDS to hold selected airspeed
idle
38
While you are in Altitude Hold, if the Altitude Selector on the MCP is rotated in any direction, the ____ mode is armed
V/S
39
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
eliminated
40
Pushing the LNAV Switch commands the AFDS roll to intercept and track the active ___ on the Mode Control Panel
FMC route
41
Initially, pushing the HDG SEL switch commands a turn in the shortest direction towards the heading bug
True
42
Pushing the APP switch arms the AFDS for what?
localizer and glideslope capture
43
On Takeoff or missed approach, do not engage autopilot below
400'
44
Autoland- Max Headwind is
25 Knots
45
Autoland- Max Crosswind
15 Knots
46
Autoland- Max Tailwind for 737 800 | Flaps 30 or 40 is ____
10 knots
47
Autoland- Max Tailwind for B737 900 Flaps 40 is ___
10 knots
48
Autoland-Max Tailwind for the B737 900 Flaps 30 | Field Elevation 4001-6000' is ____
5 knots
49
Autoland- Max Tailwind for the B737 900 with Flaps 30 with Field Elevation 4000'- or less is ____
10 knots
50
Autoland- Max Tailwind for the B737-900 with flaps 30 with field elevation 6001 feet and above is
0 knots
51
All Autopilot Flight Director Modes can be disengaged either by selection another command mode or
by disengaging the A/P and turning the F/Ds off
52
Autopilot engagement in CMD or CWS is inhibited unless
all answers are correct
53
The F/Ds can be operated
WITH or WITHOUT the A/P & A/T
54
What does FD in the autopilot status display of the AFDS indicate?
The flight director is ON and the autopilot is either OFF or engaged in CWS
55
What does 1CH in the autopilot status display of the AFDS indicate?
For a single A/P ILS approach, annuncates after localizer capture and remains on for entire approach
56
what does N1 on the AFDS FMA AT mode indicate?
The autothrottle maintains thrust at the selected N1 limit displayed on the thrust mode display, including full go around N1 setting
57
What does RETARD on the AFDS FMA AT mode indicate?
The AT maintains thrust at the selected N1 limit displayed on the thrust mode display
58
What does ARM on the AFDS Flight Mode Annunciations Autothrottle Mode Indicate?
No Autothrottle mode engaged. The thrust lever autothrottle servos are inhibited; the pilot can set thurst levers manually.
59
The AFDS FMA in the roll mode, VOR/LOC engaged commands
AFDS to track selected VOR course or track selected localizer course along the inbound front course bearing
60
The A/T system operates properly with the EECs
All answers are correct On ALTN
61
Which of the following actions or conditions will disengage the A/Ts?
Moving the A/T Arm switch to OFF Pushing Either A/T disengage Switch or 2 seconds have passed since landing touchdown
62
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
800' RA
63
If FLARE is not arrmed by approx 350' RA___
both A/Ps automatically disengage
64
During a single channel AP approach operation
An AP go around is not available.
65
The AFS provides speed, pitch, and thrust commands to avoid exceeding the following limit speeds
Vmo/Mmo, wing flap placards, landing gear placard and minimum speed
66
The IAS/MACH display is blank when____
VNAV mode is engaged
67
With the N1 light illuminated, pushing the N1 switch on the MCP
Deselects N1 mode and extinguishes switch light
68
Rotating the speed selector knob on the MCP ____
sets the speed in IAS/MACH display and positions airspeed cursor
69
Pushing Speed INTV when VNAV is engaged
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
By engaging VNAV, the FMC command the AFDS pitch and _____ to fly vertical profile selected on the ____
autothrottle | FMC CDUs
71
In a VNAV SPD descent the autothrottle holds _____ and the AFDS ____
IDLE | Holds FMC Target Speed
72
In a VNAV PTH descent, the autothrottle holds _____ and the AFDS ____
Idle but can command FMC SPD mode if ground speed becomes too low to maintain FMC vertical path Tracks FMC descent path
73
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
100'
74
The V/S Window ___ when V/S is ____
blanks | not active
75
Pushing ALT HOLD switch commands pitch to hold
uncorrected barometric altitude at which the switch was pressed
76
Selecting VOR LOC switch commands the AFDS roll to capture and track the selective____
ALL ANSWERS ARE CORRECT VOR & LOC
77
The bank angle selector sets the maximum bank angle for the AFDS opeartion in ____ modes
HDG SEL or VOR
78
The Command Engage (CMD ENGAGE) switch A or B ____
All answers are correct
79
The Control wheel steering engage CWS engage switch A or B
All answers are correct

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