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System Review Questions > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

What type of flight control system does the aircraft have?

A

Fly-by-wire (FBW).

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2
Q

What are the two basic modes of operation for the flight controls?

A

Normal Mode (NM)
Direct Mode (DM)

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3
Q

When will the flight control system revert automatically to DM?

A

When it is not possible to maintain NM due to multiple system failures.

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4
Q

Is flight under DM recommended? Why or why not?

A

No, important system protections are only available in NM.

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5
Q

What happens when the AP/PTY button is momentarily pressed?

A

AP is disengaged.

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6
Q

What happens when the AP/PTY button is pressed for more than 1 second?

A

The priority annunciation is activated and exclusive control is given to the side stick while the buttons is pressed.

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7
Q

What happens when the AP/PTY button is pressed and held for more than 20 seconds?

A

The perspective side stick will have exclusive control latched.

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8
Q

If one side stick has been latched out, how can exclusive control be removed?

A

Press either side stick priority button.

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9
Q

What happens if dual input occurs and priority has not been requested by either pilot?

A

A tactile warning in each side stick, an aural warning, and the inputs are algebraically summed.

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10
Q

Is side stick controller priority logic available in DM?

A

No, only in NM.

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11
Q

With the autopilot engaged, what does pressing the TCS button do?

A

Allows the pilot to manually control the aircraft while the autopilot is engaged.

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12
Q

During normal flight with flaps 3 or full, landing gear down and the AP disengaged, what does pressing the TCS button do?

A

Resets the TCS trim speed bug.

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13
Q

How can the multifunction spoilers be deployed for use as speed brakes?

A

With the speed brake lever.

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14
Q

What are the angles of multifunction spoilers that correspond with the speed brake positions?

A

From 0° to 30°.

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15
Q

When can the Pitch Trim Switch be manually commanded?

A

On the ground or in DM.

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16
Q

Which button is used to recover NM or to revert to DM in the case of a NM misbehavior?

A

Press and release the Normal Mode button.

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17
Q

When is manual reversion to DM inhibited?

A

Low speed protection, high speed protection, or AOA protection.

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18
Q

On the FLIGHT CONTROL synoptic page,what color actuator status indicates that the respective flight control surface is in the normal mode and at least one actuator is engaged?

A

Green

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19
Q

On the FLIGHT CONTROL synoptic page,what does a yellow actuator status indicate?

A

It indicates DM and at least one actuator is operational.

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20
Q

When is the side slip target presented by a blue side slip skid indicator?

A

OEI during takeoff, climb, or GA.

21
Q

Where is the Low Speed Awareness (LSA) band located? The Pitch Limit Indicators (PLI)?

A

LSA - Adjacent to the speed tape
PLI - ADI

22
Q

List the three LSA bands in NM and what they indicate.

A

Vss - top of the white tape - low speed protection
Vaoa - top of the amber tape - AOA limiter function
Vlim - top of the red tape - airspeed associated with max allowable AOA

23
Q

Do the Vss and Vaoa/Vlim indications behave the same in turns and other maneuvers? Why or why not?

A

No, Vss is in terms of speed while Vao/Vlim are related to AOA.

24
Q

Does Vaoa and Vlim increase with load factor?

A

Yes

25
Q

Is the AOA limiter function operational in DM?

A

No.

26
Q

List the two bands in DM and what the represent?

A

Vms - top of amber tape
Vsa - top of red tape - speed where aural stall warning is triggered.

27
Q

Are the Pitch Limit Indicators (PLI) displayed in DM?

A

No

28
Q

What color does the Pitch Limit Indicator become if the airspeed drops below Vaoa in NM? Vlim in NM?

A

Amber; Red

29
Q

How many FCCs are sufficient to provide NM functionality?

A

One.

30
Q

What is the purpose of the Black Airline Battery?

A

To withstand operation for a minimum of 15 minutes in order for the flight crew to recover the airplane to proper electrical system operation.

31
Q

How long does each PBIT of the FCS take?

A

Less than one minute.

32
Q

If the PBIT conditions are not satisfied, up to how many PBIT operation attempts can the FCS automatically perform?

A

Up to three.

33
Q

During PBIT operation,which CAS message is displayed?

A

FLTCTRL TEST IN PROG.

34
Q

When is the de-rotation control law active?

A

When the airplane touches down.

35
Q

What does the neutral spiral stability control law provide?

A

It automatically trims the elevator when the sidestick controller is set back to the neutral position, to maintain the flight level during turns up to a bank angle of 33°.

36
Q

If the pilot commands a turn with a bank angle of greater than 33°, what needs to be done to maintain level flight in the turn?

A

Maintain the desired sidestick lateral deflection and move the sidestick controller aft.

37
Q

List the four conditions that will cause the speed brakes to automatically stow?

A

– FLAP Lever position is 3 or full ;
– Airspeed is less than 160 kt;
– TLA is greater than 55°;
– The AOA limiter function is engaged.

38
Q

If the speed brakes are automatically stowed, what indication will the pilots have and how can they be reactivated?

A

SPDBRK LEVER DISAG;
Speed brake lever must be stowed.

39
Q

How is manual reversion to DM available if the flight crew detects a NM misbehavior?

A

NORMAL MODE button press and release.

40
Q

What do the CLAWs provide?

A

Protections to prevent the airplane from exceeding the flight envelope limitations.

41
Q

What are the two flight envelopes for the airplane?

A

Normal flight envelope and limit flight envelope.

42
Q

What are the limits of the normal flight envelope?

A

– 33° bank angle protection;
– High speed protection (VMO);
– Low energy avoidance protection (1.13 VS);
– Pitch Attitude Protection.

43
Q

What are the limits of the high speed protection envelope?

A

Vmo +22 kts.

44
Q

When does pitch attitude protection activate?

A

30° pitch up
15° pitch down

45
Q

What does the limit flight envelope require?

A

Requires more effort to maintain the airplane in this condition.

46
Q

What are the boundaries/hard limits of the limit flight envelope?

A

The external boundaries of the limit flight envelope are reached at full control application. The hard limits of this flight envelope are:
– Maximum angle of attack - AOA limiter;
– Airplane structural limits - load factor protection;
– Maximum sideslip protection;
– Dive speed protection.

47
Q

Is the AP operational in DM?

A

No.

48
Q

In DM, how does the airplane behave?

A

Like a conventional airplane, where sidestick and pedal deflection are directly related to surface position.

System Review Questions (24 decks)

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