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E175 Systems > Automatic Flight > Flashcards

Automatic Flight Flashcards

0
Q

What is included in the AFCS

A
  • Flight Directors
  • Autopilot with coupled Go Around
  • yaw damper
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1
Q

To which systems does the AFCS supply its data

A
  • The Flight Guidance Control System

- Thrust Management System

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2
Q

When does the flight director automatically turn on

A
  • TO/GA button actuation
  • manual selection of any vertical or lateral mode
  • autopilot engagement
  • windshear detection
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3
Q

With autopilot disengaged, removing the flight director makes the auto throttles revert to which mode

A

SPD tracking the airspeed target

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4
Q

What type of autopilot do the e-jets have

A

Single autopilot with a fuel channel configuration.

One channel active while other is a hot spare.

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5
Q

How many servos for pitch, roll, and yaw

A

1 for pitch, 1 for roll, and optionally 2 for yaw

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6
Q

Where are the autopilot servos connected

A

They are connected to the controls. Movement of the control column, wheel, and rudder peddles may be observed

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7
Q

What happens when you press the autopilot quick disconnect push button once on the control wheel

A
  • Disengages the autopilot
  • triggers the aural warning “autopilot”
  • the FMA “AP” annunciation blinks red
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8
Q

How do you momentarily override the autopilot

A

Press and hold the TCS button on the control wheel

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9
Q

When will the autopilot disengage

A
  • AP button is pressed in the guidance panel
  • either manual pitch trim switch is actuated
  • either stick shaker is activated
  • windshear escape guidance is activated
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10
Q

Which events cause the autopilot to disconnect and an EICAS message

A
  • reversion of the fly-by-wire system to direct mode
  • either elevator or aileron control system is disconnected
  • a pilot input contrary to the autopilot
  • internal monitor failure
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11
Q

When is the yaw damper engaged

A

Automatically after power up of either hydraulic system 1 or 3.

Or when the YD button on the AFCS guidance control panel

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12
Q

When is the YD automatically disengaged

A

After shutdown of both hydraulics 1 and 3

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13
Q

Where is the Flight Mode Annunciation (FMA) displayed

A

On the PFD

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14
Q

What annunciation a does the FMA display

A

Autothrottle
Autopilot
Approach status
Vertical and lateral modes

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15
Q

What does the FMA color magenta mean

A

FMS commanded active/engaged mode

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16
Q

What does the FMA color green mean

A

Non-FMS commanded active/engaged mode

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17
Q

What does the FMA color white mean

A

Armed mode

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18
Q

What does the FMA color amber mean

A

Alert condition

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19
Q

What does the FMA color red mean

A

Abnormal condition

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20
Q

When will the Baro/RA window flash amber

A

When both sides are not on the same setting

21
Q

Which side of the approach status annunciation is the current engaged mode

A

Right side

22
Q

Which APPR mode do you use for CAT

II approaches

A

APPR 2

23
Q

What are the lateral modes

A
  • Roll Hold (ROLL)
  • Heading Select (HDG)
  • Lateral Navigation (LNAV)
  • Licalizer (LOC)
  • Back-Course (BC)

Pilot non-selectable mode is:
- Track Hold (TRACK)

24
Q

What does ROLL mode maintain

A

If engaged at 6 degrees or less, it will roll wings level

If engaged at bank angles above 6 degrees and below 35, it will hold that angle

If engaged at angles 35 degrees and higher, it will hold 35 degrees

25
Q

When will ROLL mode activate

A
  • Pressing TOGA button while on ground and IAS is below 100kts
  • no lateral mode active and a vertical mode is selected
  • deselecting an active lateral mode
  • COURSE TO INTERCEPT on the FMS is activated
26
Q

When is ROLL mode deactivated

A

When another lateral mode becomes active

27
Q

how do you select LNAV on the guidance panel

A

by pressing the NAV button

28
Q

what becomes the source for lateral navigation when LNAV mode is selected

A

The FMS

29
Q

How do you select LOC mode on the GP

A

by pressing the APP button

30
Q

what is the widest bank angle for Localizer capture

A

35 degrees

31
Q

Which lateral mode is used for takeoff and goaround

A

TRACK HOLD (TRACK)

32
Q

When will automatic transition from ROLL to TRACK during takeoff occur

A
  • IAS is greater than 100 kts and

- Bank angle is at 3 degrees or below for more than 10 seconds

33
Q

which lateral mode is armed when TOGAs are pressed in flight

A

TRACK

34
Q

How do you de-activate TRACK mode

A

you must select another lateral mode

35
Q

What are the Vertical Modes

A
  • Flight Path Angle (FPA)
  • Takeoff (TO)
  • Altitude Select (ASEL)
  • Flight Level Change (FLCH)
  • Altitude Hold (ALT)
  • Vertical Speed (VS)
  • Vertical Navigation (VNAV)
  • Overspeed (OVSP)
  • Glide Slope (GS)
  • Go around (GA)
  • VGP (VGP)
36
Q

How many vertical navigation modes are there

A

eleven

37
Q

which is the default vertical mode

A

Flight Path Angle (FPA)

38
Q

when will FPA become active

A
  • When the autopilot is engaged and no FD mode is active or
  • Pressing the FPA button on the guidance panel; 0r
  • A lateral mode is activated and there is no vertical mode active; or
  • Deselecting the current vertical mode.
39
Q

What does TO mode use to determine the initial pitch

A
  • Flap selection
  • airplane weight
  • V2 speed
40
Q

how do you de-activate TO mode

A
  • Select another vertical mode

- Engaging the AP switches to FPA

41
Q

What is the TO pitch angle logic

A

When airborne and IAS is greater than speed target:

  • All engines operating = V2 +10
  • One engine inoperative:
    Engine fail below V2 = V2
    Engine fails between V2 and V2 +10 = present speed
    Engine failure above V2 + 10 kt = V2 +10 kts
42
Q

In TO mode, what are the pitch limits

A

8-18 degrees

43
Q

What is the speed target range during TO mode with all engines operating

A

Vshaker + 10 to Vfe5

44
Q

with one engine inoperative, what is the minimum speed target in TO mode

A

Vshaker + 3 kts

45
Q

Explain Flight Level Change (FLCH)

A

will climb or descend to the altitude selected according to the Speed selected by varying pitch

46
Q

During FLCH mode, what with the FMA display

A

SPDE

47
Q

at what altitude does the speed readout change from IAS to MACH during climb? Descent?

A

29,000 ft for both climb and descent

48
Q

which altitude will be maintained when the ALT button is pressed

A

The current altitude at the time the ALT button was pressed

49
Q

what are the increments of Vertical Speed with each click of the wheel

A

50 fpm (below 1000ft) and 100 fpm (above 1000ft)

50
Q

what happens when Overspeed protection activates

A
  • amber OVSP indication displays on the FMA.
  • the previous active mode is displayed as armed (white) and becomes active again when OVSP protection is no longer active

E175 Systems (20 decks)

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