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Flight Controlls > Flight Controlls > Flashcards

Flight Controlls Flashcards

1
Q

How many pitch trims are there

A

3 -
main electric
Autopilot (different input channel to main)
Manual

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2
Q

How is roll provided?

A

8 wing spoilers, ailerons

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3
Q

Control wheel jammed - aileron

A

FO’s control will work for spoilers

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4
Q

Control wheel - spoilers jammed how can you control

A

Captain uses control from ailerons

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5
Q

If only ailerons or spoilers work what happens to control

A

Will rate reduced - at least 10 degrees from FO to initiate spoiler movement

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6
Q

What speed does Mach trim operate

A

M0.615

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7
Q

Stab trim override switch

A

Allows for reverse trim

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8
Q

Stab trim cut out switches

A

Isolate the main and AP system to stop trim runaway

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9
Q

What hyds power the rudder

A

A B AND SBY

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10
Q

Primary flight control feel

A

Elevator - Q feel or artificial
Rudder and aileron - spring

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11
Q

LE devices at F5

A

Le slats - extended
Le flaps - fully extended

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12
Q

LE flaps F5+

A

Le flaps - fully extended
Le slats - fully extended

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13
Q

SFP aircraft identified by

A

W.1

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14
Q

SFP approach to ground idle time

A

2 seconds (normally 5)

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15
Q

Spoiler deployment SPF

A

All spoilers deploy to 60degrees
Non SFP - flt spoilers at 33-38 and gnd spoilers at 52

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16
Q

Flap load relief at what flap

A

SFP - 10-40
Non SFP - 30-40

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17
Q

Flap load relief how does it work

A

Flaps auto raise if speed limit exceeded (leaver doesn’t move but gauge shows change)

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18
Q

Flap load relief operating speeds

A

Auto retraction 1kt above auto re extension when 4kts below

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19
Q

Auto gnd spoiler conditions:

A

Hyd A
Spd brk leaver armed
Armed light Iluminated
<10 ft radalt
Right main gear hits gnd
Wheel spd/spin >60kts

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20
Q

Max flap alt

A

20,000ft

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21
Q

With spd brakes what happens to roll rate

A

Increased

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22
Q

Q feel -

A

Hyd a and b and dynamic pressure sensed by elevator and then vary control pressure to regulate feel

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23
Q

Stall management yaw damper?

A

Gives false q feel near stall to make it hard to pull back on controls

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24
Q

FEEL DIFF PRESSURE light

A

Comes on after 30’ seconds of diff pressure between A and B of over 25%

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25
Q

When are you likely to see feel diff pressure

A

MC after elec 1 pump on and elec 2 is off without NWS pin

26
Q

Speed trim system

A

Low gross weight with aft CG and high thrust, get auto trim to stay spd stable

27
Q

Speed trim and Mach trim controlled by what computer

A

AP FCC

28
Q

When does electric and AP speed trim change

A

Flap not up - hi speed
Flap up - low speed

29
Q

Manual and electric trim ranges

A

Manual uses larger range

30
Q

Elevator trim with ap in does what?

A

Disconnects AP

31
Q

Does rudder trim and YD make pedals move

A

Rudder yes - yaw damp no

32
Q

Flap aysym

A

Flap at fault doesn’t move and needles split

33
Q

Flap skew

A

Side at fault needle goes in opposite direction of flap leaver movement

34
Q

Spd brake load alleviation

A

If beyond 50% moves it back automatically

35
Q

Spoilers on RTO -

A

When selected or automatically on selection of REV

36
Q

Move TL with spoilers deployed on gnd

A

Stows spoilers automatically

37
Q

Alt flap selection Lims

A

Any movement needs 15 seconds
Full cycle 5 mins

38
Q

LE with alt flaps

A

Fully extend - can’t be raised

39
Q

Auto slat effect on LE

A

If LE slats extended and you approach stall they fully extend

40
Q

Autoslat SFP vs normal

A

1-25 on SFP
1-5 on normal

41
Q

Main rudder PCU authority >135 kts

A

Reduces pressure by 25%

42
Q

Sby yaw damper active?

A

With hyd a and b fail and on sby system

43
Q

If A or B fails is there any control degradation?

A

No degradation (half the spoilers roll effected?)

44
Q

LE FLAP TRANSIT Amber until when on alt flap selection

A

when TE reaches:
SPF - 15 deg
Non SPF 10 deg

45
Q

Total Hyd failure effect on spoilers -

A

No spoilers - nothing do do with reversion or control jam logic with capt and fo

46
Q

Aileron trim switch is where

A

Aft electronics panel

47
Q

Force flight monitor ?

A

If a and b give different pressures/malfunctioning - detects this and transfers to sby rudder

48
Q

FLT CONTROL - OFF

A

Isolates primary controls via cut off valve
Does not effect sby pump

49
Q

ALT flap to arm -

A

Closes TE bypass valve - activated Stby pump and arms alt flap swx

50
Q

Forget to arm SPD brk leaver GND spoilers will deploy

A

Wheel speed +60
Idle trust
Using reversers

51
Q

Flt spoilers I’d you move leaver past flight detent -

A

Won’t go past it

52
Q

Alt flaps use what motor

A

DC

53
Q

Aysymetry protection is on which flaps

A

Trailing edge not leading edge

54
Q

Skew protection is on which flaps?

A

Trailing edge and
LE slats

55
Q

Protection for improper position

A

LE only
Get LE FLAP TRANSIT light

56
Q

Protection for uncommanded motion

A

Le and te devices

57
Q

SPD BRK DO NOT ARM LIFGT

A

Abnormal condition
Test imput
Below 60kts and leaver not down

58
Q

SPD BRK EXTENDED LIGHT

A

Extended in landing config below 800ft

59
Q

LE TRANSIT LIFGT IS INHIBITED

A

during auto slat ops

60
Q

Do the pitch trims for AP and electric use different motors

A

NO

61
Q

How many gnd spoilers per wing

A

2

Flight Controlls (1 decks)

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