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Flashcards in Flight Controls Deck (28):
1

What are the primary flight control system

Aileron
Spoilers ( as roll control)
Elevator
Rudder

2

Secondary flight control

Horizontal stabilizer
Slats and flaps
Spoilers (as brakes)
Ground spoilers

3

Which flight control is conventionally controlled

Ailerons are cable connected
But still has a hydromechanical actuator

4

What are PCU

Power control units
The actuators That move the control surfaces

5

What are the modes of operation in the flight controls

Normal (flight control module) FCM helps in proper inputs to the control
Direct. The FCM is bypass and pilot inputs are no longer dampened

6

What is PBIT

Is a power up built in test to make sure the control system work normally

7

High level function of the elevator

AOA limiter
Auto trim
Autopilot
Elevator thrust compensation

8

What type of actuator the does the horizontal stabilizer use

Electro- mechanical

9

What type of actuator the elevator uses

Hydraulic actuated

10

What is the priority of the trim commands

Backup trim command
Pilot trim
FO trim
FCM command

11

How many channels in the HS- ACE ( horizontal stabilizer actuator control electronic)

Two channels active/sttby
Alternating every powerup

12

Can the pilot deactivate the HS-ACE channels

Both channels by pressing the red Pitch/trim disco and holding it

Or by pushing guarded cut out button on the center console

13

What is the function of the multi function spoilers

Augment aileron roll control
Speed brake
Ground spoiler augmentation

14

How many multi function spoilers panel

6 spoilers 3 a side

15

When will the speed brakes automatically retract

When IAS 180 or less
Or advancing the throttle beyond 70 degree position

16

How many ground spilers

4 ground spoilers

17

High level functions of the rudder computer

Yaw dampening
Turn coordination

18

In normal condition how many PCU controls the rudder

1 the other in standby

19

If RAt is the only source of electricity can you extend the flaps

Only to position 3

20

How flaps / slats are powered

By electrical Power Drive Units PDU

21

How does the fly by wire works

Pilot inputs and FCM augmentation tell the appropriate ACE to activate the appropriate actuator

22

In electrical emergency and RAT is not Deploy how long do you have for the Fly by wire

10min on regular battery an 15 min on backup battery

23

What will cause the FCM to go into direct mode

Loss of airspeed data

24

What systems interact with the FCM to provide augmentation

ADSP for airspeed augmentation
IRS for AOA limiting

Proximity sensor for WOW for ground spoilers
BCM - for ground spoilers
FADEC- for thrust compensation
Auto pilot

25

How many hours before a BIT test expire

50 hours

26

When is the E BIT test performe

When any source of AC powered is connected

27

When is the Hydraulic BIT performed

When all the 3 hydraulic systems are pressurized

28

What temperature will prevent the Hydraulic PBIT from being performed

10c or less