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Legacy 450/500 Praetor 500 > Legacy 500 Flight Controls RKA Questions > Flashcards

Legacy 500 Flight Controls RKA Questions Flashcards

1
Q

What type of flight control system does the aircraft have?

A

A functionally distributed Fly-by-Wire (FBW) control system (AOM 9-08-01)

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2
Q

What are the two basic modes of operation for the flight control system?

A

Normal Mode (NM) and
Direct Mode (DM)
(AOM 9-08-40)

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3
Q

When will the flight control system revert automatically to Direct Mode (DM) operation?

A

When it is NOT possible to keep the Normal Mode (NM) Operation due to:
Multiple System Failures

(AOM 9-08-40)

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4
Q

Is flight under Direct Mode (DM) recommended? Why or why not?

A

No, it should be Avoided as some Airplane Protection functions are only available in Normal Mode(NM)

(AOM 9-08-40)

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5
Q

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

A

The Autopilot is Automatically Disengaged

(AOM 9-08-30)

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6
Q

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

A
  1. Exclusive Control is given to the Sidestick while pressed and
  2. The Priority annunciation is activated
    (AOM 9-08-30)
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7
Q

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

A

• The Respective Sidestick will have:
“Exclusive Control” Latched
(AOM 9-08-30)

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8
Q

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

A

By pressing Either Side’s Priority Button

(AOM 9-08-30)

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9
Q

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

A
  1. A Tactile Warning in both sidesticks is activated
  2. Aural Warning and
  3. PFD flag is triggered
  4. The Sidestick Inputs are Algebraically Summed

(AOM 9-08-30)

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10
Q

Is sidestick controller priority logic available in Direct Mode (DM)?

A

No, it is only available in Normal Mode (NM)

(AOM 9-08-30)

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11
Q

With the Autopilot Engaged, what does pressing the Touch Control Steering (TCS) button do?

A

Allows the pilot to:
Manually control the Airplane while the Autopilot is Engaged

(AOM 9-08-30)

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12
Q

During manual flight with flaps 3 or full, landing gear down, and the AP disengaged, what does pressing the Touch Control Steering (TCS) button do?

A

Resets the:
TCS Trim Speed Bug (AOM 9-08-30)

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13
Q

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

A

By the SPEED BRAKE LEVER (AOM 9-08-30)

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14
Q

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

A

0° (STOW) to
30° (FULL)

(AOM 9-08-30)

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15
Q

When can the Pitch Trim Switch be manually commanded?

A
  1. On The Ground (or)
  2. Direct Mode (DM)

(AOM 9-08-30)

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16
Q

Which button is used to recover Normal Mode (NM) or to revert to Direct Mode (DM) in the case of a Normal Mode (NM) misbehavior?

A

The FLTCTRL NORMAL MODE button

(AOM 9-08-30)

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17
Q

When is a manual reversion to Direct Mode (DM) Inhibited?

A

When the following FCS protection envelopes are engaged:

  1. Low Speed Protection,
  2. High Speed Protection (and)
  3. Angle of Attack (AOA) Limiter Protection

(AOM 9-08-30)

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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
(AOM 9-08-30)

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19
Q

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

A
  1. Indicates Direct Mode and
  2. At Least ONE Actuator is Operational

(AOM 9-08-30)

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20
Q

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

A
  1. In a One Engine Inoperative (OEI) Condition
  2. During Takeoff
  3. Climb (and)
  4. Go-Around
    flight phases

(AOM 9-08-30)

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21
Q

Where are the Low Speed Awareness (LSA) band and the Pitch Limit Indicators (Plls) located?

A
  1. Adjacent to the Speed Tape
  2. On the ADI

(AOM 9-08-30)

22
Q

List the three LSA bands in Normal Mode (NM) and what they indicate:

A
  1. Vss - Top of the white tape
    -Low-Speed Protection function
  2. Vaoa - Top of the Amber Tape
    AOA Limiter Function Activation
  3. Vlim - Top of the Red Tape
    The Speed Associated with the Maximum Allowable AOA Airspeed

(AOM 9-08-30)

23
Q

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

A

No, because *Vss is defined in terms of Speed and **Vaoa/Vlim **are defined in terms of AOA (AOM 9-08-30)

24
Q

Do Vaoa and Vlim increase with Load factor?

A

No
(AOM 9-08-30)

25
Q

Is the AOA Limiter function operational in Direct Mode (DM)?

A

No (AOM 9-08-30)

26
Q

List the (2) LSA bands in Direct Mode (DM) and what they represent:

A
  1. Vms
    Top of the Amber Tape
  2. Vsa
    Top of the Red Tape, Indicates the Airspeed at Which the STALL aural alert is triggered

(AOM 9-08-30)

27
Q

Are the Pitch Limit Indicators (Plls) displayed in Direct Mode (DM)?

A

No

(AOM 9-08-30)

28
Q

What color does the Pitch Limit Indicator become if the airspeed drops below Vaoa in Normal Mode (NM)? How about Vlim?

A

Airspeed < Vaoa Amber;
Airspeed < Vlim Red
(AOM 9-08-30)

29
Q

How many Flight Control Computers (FCCs) are sufficient to provide Normal Mode (NM) functionality?

A

One

(AOM 9-08-40)

30
Q

What is the purpose of the Black Airplane Battery?

A

To withstand operation of a minimum of 15 minutes in order for the flight crew to Recover the Proper Airplane Electrical System Operation. (AOM 9-08-40)

31
Q

How long does each PBIT test of the FCS take?

A

Less than One Minute (AOM 9-08-40)

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
(AOM 9-08-40)

33
Q

During a PBIT operation, which CAS message is displayed?

A

• The FLTCTRL TEST IN PROG CAS message
(AOM 9-08-40)

34
Q

When is the De-Rotation Control Law Active?

A

When the airplane Touches Down
(AOM 9-08-50)

35
Q

What does the De-rotation Control Law provide?

A

A Smooth Nose-Down Movement by Commanding the Elevator to a Nose-Down pitch of 2° per second

(AOM 9-08-50)

36
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 Level Flight during turns up to 33° of bank angle

(AOM 9-08-50)

37
Q

If the pilot commands a turn with a Bank Angle of greater than 33°, what do they need to do in order to maintain level flight in that turn?

A

Maintain the Desired Sidestick Lateral Deflection and Move the Sidestick Controller Aft

(AOM 9-08-50)

38
Q

List the (4) conditions that will cause the Speed Brakes to Automatically Stow:

A
  1. If the Airspeed drops Below 160 KTS
  2. TLA position is Greater than 55°,
  3. The Flap Lever and position is set to
    3 or FULL
  4. The AOA Limiter Function is Engaged

(AOM 9-08-50)

39
Q

If the Speed Brakes are Automatically Stowed, What Indication will the pilots have and how can the speed brakes be reactivated?

A

• The cyan SPDBRK LEVER DISAG CAS message is displayed and the SPEED BRAKE LEVER must be set back to STOW

(AOM 9-08-50)

40
Q

Define a Flight Control Normal Mode (NM) Misbehavior:

A

Any Airplane Behavior that the flight crew realizes it is Behaving Unexpectedly, Not Responding adequately to the commands, or is presenting a Lack of Response
(AOM 9-08-50)

41
Q

How is a Manual Reversion to Direct Mode (DM) Available if the flight crew detects a Flight Control Normal Mode (NM) Misbehavior?

A

• By Pressing the FLTCTRL NORMAL MODE Button

(AOM 9-08-50)

42
Q

How is a reversion to Direct Mode (DM) Indicated?

A

• By a FLTCTRL N-MODE FAIL CAS message
(AOM 9-08-50)

43
Q

What do the Flight Control Laws (CLAWS) provide?

A

Flight Envelope Protections to Prevent the Airplane from Exceeding the
Flight Limit Envelope Limitations

(AOM 9-08-50)

44
Q

What are the (2) Flight Envelopes for the Airplane?

A
  1. The Normal Flight Envelope
  2. Limit Flight Envelope

(AOM 9-08-50)

45
Q

What are the limits of the Normal Flight Envelope?

A
  1. 33° bank Angle Protection,
  2. High-speed protection (Vmo),
  3. Low Energy Avoidance Protection
    (1.13 Vs)
  4. Pitch Attitude Protection

Mnemonic Trigger: “High, Low, Pitch, Bank”
High Speed, Low Energy, Pitch Attitude, Bank-Angle
(AOM 9-08-50)

46
Q

What are the limits of the High-Speed Protection Envelope?

A

The airspeed is Limited to Vmo+ 22 kts
(AOM 9-08-50)

47
Q

When does the Pitch Attitude Protection Activate?

A

At pitch angles of:
1. 30° pitch up and
2. 15° pitch down

(AOM 9-08-50)

48
Q

What Does the Limit Flight Envelope Require?

A

More Pilot Effort to Maintain the Airplane in this Configuration (AOM 9-08-50)

49
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 the limit flight envelope are):
1. Airplane Structural Limits (Load Factor Protection)
2. The Maximum AOA
3. Dive Speed Protection
4. *Maximum Sideslip Protection

Mnemonic Trigger: LADS
Load, AOA, Dive, Side-Slip
There are no hard limits for pitch and bank angles

(AOM 9-08-50)

50
Q

Is the AP operational in Direct Mode (DM)?

A

No

(AOM 9-08-50)

51
Q

In Direct Mode (DM), how does the airplane behave?

A

Like a Conventional Airplane and the Sidestick Controller and Pedal Deflections are directly related to the Surface Position
i.e. Stick to Surface

(AOM 9-08-50)

Legacy 450/500 Praetor 500 (27 decks)

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