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Jan 2022 United 737 Initial Flash Cards > Autoflight > Flashcards

Autoflight Flashcards

1
Q

While the Autopilot is engaged, can one use the aileron trim?

A

No it is prohibited

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2
Q

What does the AFDS (Autopilot Flight Director System) consist of?

A

2 individual flight control computers FCCs

1 single mode control panel

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3
Q

How can one disengage the AFDS (Autopilot Flight Director System) mode?

A
  1. Select another mode

2. disengaging the AP and turning of the FD

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4
Q

What will inhibit Autopilot engagement

A
  1. No control forces on the control wheel

2. STAB TRIM AUTOPILOT cutout switch is at NORMAL

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5
Q

How many AP are required for full automatic flare, touchdown, and AP go-around capabilities

A

Both one AP can not do an autoland

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6
Q

What MCP, (steering) command allows both AP to be engaged at the same time?

A

APP or Approach Mode

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7
Q

Name some ways to disengage the AP

A
  1. Activating either pilots control wheel trim
  2. loss of respective hydraulic system pressure
  3. Push the AP disengage switch
  4. Push the AP mode switch
  5. Select TOGA in single AP mode below 2000 feet RA
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8
Q

Can the Flight Directors (FD) operated without AP and AT?

A

Yes

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9
Q

How does one know which AP is the master?

A

Illumination of the respective master (M/A) FD indicator light.

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10
Q

What are the mode indications above the Attitude Indicator for the mode of the AutoPilot

A

CMD, FD, 1CH, CWS P, CWS R

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11
Q

What does CMD indicate

A

one or both autopilots are engaged

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12
Q

What does CWS P indicate

A

Pitch mode in CWS

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13
Q

What does CWS R indicated

A

Roll mode in CWS

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14
Q

What does Single CH indicate

A

single AP ILS, annunciates after loc is captured and remains on for the entire approach

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15
Q

What does N1 indicate

A

Auto throttles maintains thrust on N1 schedule from FMC including full go-around N1 setting

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16
Q

What does GA indicate

A

Auto throttles maintains thrust at reduced Go-around setting

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17
Q

What does FMC SPD indicate

A

Auto throttles maintain speed schedule in the FMC. Limited to the N1 value on the thrust mode display

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18
Q

What does MCP SPD indicate

A

Auto throttles maintain the speed set in the MCP IAS/MACH display. Limited to the N1 value on the thrust mode display

19
Q

What does THR HLD indicate

A

the thrust levers auto throttle servos are inhibited. Pilot can set thrust levers manually

20
Q

To engage TO/GA for takeoff, ____ and you have to press either TO/GA switch

A

Both FD switches must be on s

21
Q

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

A
  1. In flight below 2000 RA

2. not in TO mode, and either FD switch ON or OFF

22
Q

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

A

ADFS to maintain the FMC speed displayed on the airspeed indicator or the DCU CLIMB or DESCENT pages.

23
Q

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

A

Maintain FMC altitude or decent path with pitch commands

24
Q

In the pitch mode, the AFDS Flight Mode Annunciation VS (engaged) commands

A

Pitch to hold a vertical speed

25
Q

In the pitch mode, the AFDS Flight Mode Annunciation ALT ACQ commands

A

a transition maneuver entered automatically from VS, LVL CHG, or VNAV climb or decent to the selected MCP altitude.

26
Q

In the pitch mode, the AFDS Flight Mode Annunciation ALT HOLD commands

A

pitch to hold the 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

maintain the IAS/MACH window airspeed or mach

28
Q

In the pitch mode, the AFDS Flight Mode Annunciation GS (engaged) commands

A

follow the GS

29
Q

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

A

dual AP ILS flare engages at 50 ft RA. Flare accomplishes the auto land flare maneuver.

30
Q

In the roll mode the AFDS Mode Annunciation LNAV commands

A

intercept and track the active FMC route

31
Q

In the roll mode the AFDS Mode Annunciation HDG SEL commands

A

the aircraft to turn the shortest direction or remain on the MCP heading display

32
Q

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

A
  1. ALT ACQ engages or ALT HOLD engages

2. VS engages or GS capture occurs

33
Q

Speed Intervention (SPD INTV) switch on the MCP with VNAV is engaged

A

revels the IAS/MACH display, activate the FMC speed intervention, displays the FMC target speed and allow the IAS/MACH selector to be used to set the desired speed

34
Q

VNAV engaged in the FMC commands the AFDS pitch and auto throttles to fly s

A

the vertical profile selected on the FMC CDU’s

35
Q

In a VNAV Decent the auto throttles hold idle to fly the vertical profile

A

and the AFDS holds the FMC target speed

36
Q

In VNAV PATH decent the auto throttles hold idle but may revert to FMC SPD if the Ground speed becomes to slow and the the ADFS

A

tracks the FMC descent path

37
Q

LVL CHG in a climb with command to hold N1 limit and the AFDS

A

to hold selected airspeed

38
Q

LVL CHG in a decent commends the auto throttles to hold idle and AFDS to

A

hold the selected airspeed

39
Q

Altitude Hold and you select a new altitude in the MCP what mode is armed?

A

VS

40
Q

when actively climbing or descending with VNAV engaged what does pressing ALT INTV do?

A

It eliminates the next altitude restriction

41
Q

Pushing LNAV commands the AFDS roll to intercept and track the active FMC route on the MCP T or F

A

True

42
Q

What direction will the airplane turn when pushing the HEG SEL switch?

A

the shortest direction

43
Q

What does pushing the APP switch arm?

A

Loc and GS capture.

Jan 2022 United 737 Initial Flash Cards (17 decks)

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