ATA 27 Flight Controls

Question 1

What is the maximum aileron deflection?

Answer 1

19.8° downwards from zero
23.2° upwards from zero
(+2° & -1° for both)

Question 2

To which channel is the autopilot servo linked?

Answer 2

The Right aileron channel

Question 3

What happens when the main roll trim switches are used?

Answer 3

Electrical power is applied to the left aileron trim actuator

Question 4

In how many points are the rudder hinged to the fin?

Answer 4

2

Question 5

What is the maximum rudder deflection below 150 knots

Answer 5

55°

Question 6

What is the maximum rudder deflection between 150-200 knots

Answer 6

30°

Question 7

What is the maximum rudder deflection over 200 knots?

Answer 7

12,6°

Question 8

What is the neutral position of the rudder?

Answer 8

5° bias angle to the right of the centreline

Question 9

How tall is the rudder?

Answer 9

11 ft

Question 10

From where do the rudder limiter get the analogue signal?

Answer 10

From the Air Data Computer (ADC)

Question 11

What is the maximum deflection of the elevators?

Answer 11

18° downwards from zero
22° upwards from zero

Question 12

Elevator trim tab deflection?

Answer 12

+/- 6° from neutral

Question 13

Which trim actuator do the pitch trim synchroniser control?

Answer 13

The RH. The pitch trim synchroniser compares the left trim actuators position and synchronise the right one

Question 14

Name and specify the flap positions

Answer 14

Flap 0 ° - Normal Flight
Flap 7 ° - Take-Off
Flap 15 ° - Take-Off
Flap 20 ° - Approach
Flap 35 ° - Landing

Question 15

Flap operating hydraulic pressure?

Answer 15

2000 psi

Question 16

What happens if the flap control box detects a fault?

Answer 16

FLAPS light on the CWP and further flap operation is prevented

Question 17

Where do the flap control box send its signals?

Answer 17

Stall warning system
Autopilot
WEU
FDR
Flap indicator

Question 18

When do the stall warning computers activate?

Answer 18

7 seconds after take-off (weight off wheels)

Question 19

When will the stick pusher NOT activate?

Answer 19

If the load factor is lower than 0.5 G

Question 20

How many degrees will the elevator deflect when pusher is activated?

Answer 20

3.5° elevator down

Question 21

Where are the secondary and primary stop located?

Answer 21

Under each of the control columns

Question 22

What drives the elevators?

Answer 22

The cable tension regulator

Question 23

Where is the RLU (rudder limiter controller) located?

Answer 23

In the avionics rack

Question 24

Where is the roll spring unit located?

Answer 24

LH roll control channel

Question 25

Where is the disconnect unit located

Answer 25

RH roll control channel