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777 Atlas Air > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

How is manual control input information sent to the control surface in the normal mode

A

Pilot control input - ACE’s - PFC - ACEs - control surface

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2
Q

How is Autopilot control input information sent to the control surface

A

a/p - PFC - ACEs - Control surface

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3
Q

How many spoilers

A

14

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4
Q

When do flaperons operate

A

In proportion to the flaps

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5
Q

When to the ailerons begin to move down for increased lift (droop)

A

Flaps 5, 15 and 20

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6
Q

What are locked out at high speed on the wing to prevent high loads

A

Ailerons, spoilers 5 and 10

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7
Q

When is the rudder aerodynamically effective

A

60kts

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8
Q

What are the modes of operation of primary flight controls

A

Normal, Secondary and Direct

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9
Q

What modes can be manually selected

A

Normal and Direct

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10
Q

What is envelope protection is available in Normal mode

A
  • Stall Protection
  • Overspeed protection
  • Bank angle protection
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11
Q

What functions are lost in secondary mode

A
  • Autopilot
  • Auto speedbrakes
  • Envelope protection
  • Gust suppression
  • Tail strike protection
  • Thrust assymetry compensation
  • Yaw dampening
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12
Q

How are control inputs sent to the control surface when in the secondary mode

A

Same as normal mode, PFC use simplified commands

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13
Q

What is lost in the direct mode

A
  • All secondary mode losses
  • Manual rudder trim cancel switch
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14
Q

What changes when when in the direct mode as far control input signals

A

PFCs no longer used

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15
Q

How is the aircraft controlled if complete electrical failure occurs

A

Cable operated spoilers and stabiliser

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16
Q

Up to what angle of bank will PFCs automatically maintain altitude

A

30 degrees

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17
Q

In flight pitch trim is achieved by changing the _________ reference speed

A

Trim

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18
Q

The alternate stab trim levers are linked to the stab control modules by ________

A

Cables

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19
Q

How does stall protection work

A
  • Trim reference speed inhibited in the nose up direction at approx. min maneuvering speed
  • Constant collum pressure at higher than normal force
20
Q

How does overspeed protection work

A

At Vmo Mmo-
- Trim reference speed inhibited in the nose down direction
- Constant collum pressure at higher than normal force

21
Q

In normal mode automatic pitch trim is provided for what configuration changes

A
  • Thrust changes
  • Gear config changes
  • turbulence
  • flap and speed brake changes
  • turns up to 30 degrees AoB
22
Q

In secondary and direct mode, how is the stabilizer trimmeed

A

Directly

23
Q

In normal mode how is the stabilizer trimmed

A

Using the trim reference speed

24
Q

What hydraulic system is the stabilizer control

A

Center and right systems

25
Q

In normal mode with stab trim cutout switches in cutout can pitch trim on the control column be used

A

yes, trims the elevator using the PFCs

26
Q

What is the purpose of the stab position indicator

A
  • Indicates the stab position, green band for take off
  • position verified by the nose wheel oleo
27
Q

Is airleron trim available with autopilot on

A

No

28
Q

Which spoilers are mechanically operated

A

4 and 11

29
Q

How does bank angle protection work

A
  • If 35 AoB exceeded control wheel force attempts to return the aircraft below 30 AoB
  • A/P disengage bar disables protection
  • Can be over ridden by the pilot
30
Q

What happens automatically to rudder deflection as airspeed increases

A

Reduces to prevent over stressing

31
Q

When will the TAC activate

A
  • More than 10% thrust difference between engines
32
Q

On the ground will the TAC compensate for the full yaw of an engine loss

A

No, to allow pilot recognition of an engine failure

33
Q

In flight will the TAC compensate for the full yaw of an engine loss

A

Yes

34
Q

When is TAC not available

A
  • Less than 70kts on the ground
  • Reverse thrust is applied
  • Automatically disengaged due system fail or loss of engine data
35
Q

What does the wheel to rudder crosstie do

A
  • Control wheel inputs can deflect the rudder 8 degrees - In flight below 210kts
36
Q

What do yaw dampers do

A
  • Provide coordination
  • Prevent dutch roll
37
Q

Will gust suppression result in rudder pedal movement

A

No

38
Q

In secondary and direct mode which spoilers are not available

A

4, 5, 10, 11

39
Q

When will spoilers deploy

A
  • In ARMED position when main gear wheels on ground and not tilted, with thrust levers idle.
  • Automatically when reverse thrust IDLE regardless of lever postion
40
Q

When will spoilers retract

A
  • At selection to DOWN
  • Automatically if either thrust lever is advanced to take off position
41
Q

Automatic speed brakes are available in which modes

A

Normal only

42
Q

When is flap and slat operation inhibited in flight

A
  • over 275kts
  • above 20,000ft
43
Q

What are the secondary flight control modes of operation

A

Primary, Secondary and Alternate

44
Q

When is flap load relief activated

A
  • Flaps 15 or higher
  • 1 knot above placard speed
  • Until 5kts below the placard speed
45
Q

What load relief is available in secondary mode

A

Slats only will retract to the mid position if airspeed reach 256kts

46
Q

When will the auto slat system activate

A
  • Signal from the stall warning system will extend slats to the full position
  • Retracts a few seconds after signal is removed

777 Atlas Air (16 decks)

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