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erj > FLIGHT CONTROL AND STALL PROTECTION CBT > Flashcards

FLIGHT CONTROL AND STALL PROTECTION CBT Flashcards

1
Q

What does the Flight Control synoptic page show?

A

Elevator
Rudder
Ailerons
Spoilers

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2
Q

Which flight controls are flight-by-wire (FBW)?

A

All except the ailerons.

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3
Q

What is E-PBIT?

A

Electrical Power Up Built in Test

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4
Q

What is the function of E-PBIT? How is the test performed and how long is it good for?

A

Test all the electrical components of the fly-by-wire system. Automatically when the airplane is powered up. Takes 3 minutes. Good for 50 hours, running while powered on.

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5
Q

What are the ways the E-PBIT is interrupted?

A

Any hydraulic pump is turned ON
Flight control Mode Buttons are cycled
AC power is interrupted

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6
Q

During normal operations when is the E-PBIT normally performed?

A

The first flight of the day.

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7
Q

What is H-PBIT? What is it checking?

A

Hydraulic Power Up Built in Test, checks the hydraulic components of the FBW system

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8
Q

During normal operations when is the H-PBIT normally performed?

A

During Captains originating flow as needed.

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9
Q

When is the H-PBIT preformed?

A

Automatically when all 3 hydraulic systems or pressurized.

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10
Q

How can the H-PBIT be interrupted?

A

Any flight control surface is moved.

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11
Q

What does the Hydraulic System source indicate?

A

Which hydraulic system is moving the respective control surface.

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12
Q

How many actuators does the rudder and left/right elevator have? and what powers them?

A

2 each, powered by 2 different hydraulic systems.

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13
Q

What are the flight control modes?

A

NORMAL- FCMs provide high level functions (ex AOA limiting)

DIRECT- FCM is bypassed and high level functions are not available.

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14
Q

What does the ACTUATORS indications mean?

A

Which actuator is moving the respective control surface. Indicated by ON and STBY.

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15
Q

What flight control positions are shown on EICAS?

A

Slates/Flpas
Speedbrakes
Trim -Roll, Yaw, an Pitch

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16
Q

What are slats/flaps protection logic?

A

Skew protection- asymmetric flap/slat movement

Strike Protection- stops extension if force is too great

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17
Q

What will happen if any trim settings are not within the green and takeoff power is added?

A

Aural “NO TAKEOFF, TRIM”

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18
Q

When would we ever touch the flight control mode buttons?

A

As directed by the QRH

19
Q

What do the Stall Waring buttons allow?

A

Stick Shaker cutout

20
Q

With the Elevators in NORMAL mode, what higher level functions will be active?

A

AOA, limiting with elevator offset
Thrust compensation
Elevator control law scheduling with airspeed
Configuration change compensation

21
Q

With the Rudder in NORMAL mode, what higher level functions will be active?

A

Rudder flight authority

Yaw damper and turn coordination via AFCS

22
Q

With the Spoilers in NORMAL mode, what higher level functions will be active?

A

Roll spoiler scheduling

Ground spoiler automatic deployment and stowed if thrust added for a go-around.

23
Q

When will the stick shaker activate?

A

When pitched to the PLI, or pitch limit indicators.

When airspeed reaches LSA, or low speed awareness.

24
Q

What is the ACE? What does it do?

A

Actuator Control Electronics, connects the control column electronically to the control surface, providing direct analogue control.

25
Q

What is the FCM? What does it do?

A

Flight Control Module, provide software based assistance to the ACEs. Provides higher level functioning in NORMAL mode.

26
Q

What is the PCU? What does it do?

A

Power Control Unit, hydraulically actuate the control surfaces.

27
Q

What is the purpose of the MF Spoilers?

A

The Multifunction spoiler with FCM deflect to assist in roll control.

28
Q

What doe the trim switch control?

A

The horizontal stabilizer.

29
Q

What is the limit of manual trim?

A

After 3 seconds, an aural “TRIM” is announced.

If half of the switch is actuated for more than 7 seconds it is disabled.

30
Q

What happens if both pilots attempt to trim at the same time?

A

The Captain trim switch has priority.

31
Q

How do we disconnect the TRIM with the AP/TRIM DISC button?

A

Press and Hold, to disable both pitch trim channels

32
Q

Can we control the inner two spoilers with the speed brake lever?

A

No

33
Q

When will the speed brakes automatically retract?

A

Airspeed slower than 180kts
Thrust near TOGA (70°)
Flaps greater than 2

34
Q

When will ground spoilers deploy?

A

Automatically on landing, if spoilers are in Normal mode.

35
Q

What is the stabilizer trim priority?

A

Back Up switches
Captain
First Officer
FCM

36
Q

If the auto pilot is on is yaw trim done automatically?

A

No

37
Q

What do the pitch trim cutout buttons do? When would we use them?

A

Disables the respective channel, in the event of a runaway.

38
Q

What are the slat/flap settings?

A

1, 2, 3, 4, 5

39
Q

What are possible takeoff slat/flap settings?

A

1, 2, or 4

40
Q

What are possible slat/flap settings?

A

5 orFULL

41
Q

What are the slat/flap speed limitations?

A 
1 - 230kts
2 - 215kts
3 - 200kts
4 or 5 - 180kts
FULL - 165 kts
42
Q

What happens when aileron disconnect is pulled?

A

The ailerons are disconnected from one another.

43
Q

What happens when elevator disconnect is pulled?

A

The elevators are disconnected from one another.

erj (24 decks)

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