SYS - Flight Controls

Question 1

Name the four T-6C secondary flight controls?

Answer 1

• aileron trim surface
• elevator trim tab
• rudder trim tab
• trim aid device

Question 2

Aileron travel limits?

Answer 2

• 20deg up

- 11deg down

Question 3

Should the adjustable aileron trim tab be used by aircrew?

Answer 3

No

Question 4

What does mass balanced mean for the ailerons?

Answer 4

The centre of maps is along the hinge line

Question 5

The two elevator ___________ are attached to the AFT elevator ____________ to provide a balanced control feel and tendency to return the control stick to the ___________ position.

Answer 5

Down springs
Bell crank
Neutral

Question 6

Where are the elevator bobweights and what do they do?

Answer 6

At the base of the front of the control stick and designed to put on heavier stick force when pulling G to enhance control feedback and help prevent overstressing

Question 7

Max travel of the elevator?

Answer 7

• 18deg up

- 16deg down

Question 8

Purpose of rudder cemeteries springs?

Answer 8

Help centre the rudder and enhance feedback

Question 9

Total travel of rudder pedal adjustment?

Answer 9

7 inches

Question 10

Maximum deflection of rudder?

Answer 10

24deg

Question 11

Which trim systems are controlled by the top of the control stick?

Answer 11

Pitch and roll

Question 12

Which control stick trim switch has priority?

Answer 12

Rear seat

Question 13

Where is the rudder trim switch and who has priority?

Answer 13

On the PCL, rear seat has priority

Question 14

Where is the trim interrupt switch?

Answer 14

Top of the control stick

Question 15

Which trim systems does the trim interrupt switch remove power from when held?(4)

Answer 15

Aileron, elevator, rudder, and TAD

Question 16

Will the trim systems return to normal operation when the trim interrupt switch is released?

Answer 16

Yes, but the TAD will remain disengaged

Question 17

Maximum aileron trim degrees?

Answer 17

6deg

Question 18

Is the aileron trim a trim tab or control surface displacement?

Answer 18

Control surface displacement

Question 19

Does the elevator trim system use a trim tab or control surface displacement?

Answer 19

A small tab in the centre of the elevator

Question 20

Max degrees for elevator trim?

Answer 20

5.5 deg up

22 deg down

Question 21

Does the rudder trim use a tab or control surface displacement?

Answer 21

Small rudder tab on trailing edge

Question 22

Max travel of rudder trim tab?

Answer 22

9deg left or right

Question 23

Purpose of the TAD system? (3)

Answer 23

• assist pilot in maintaining directional trim
• reduce out of trim rudder forces
• maintain coordinated flight

Question 24

What inputs does the TAD computer calculate based on? (4)

Answer 24

• pitch rate
• altitude
• airspeed
• engine torque

Question 25

At what speed does the TAD system change from pre takeoff calculated inputs to one compensated for airspeed and power?

Answer 25

80kias

Question 26

Are pilot trim inputs still required with TAD operational?

Answer 26

Yes

Question 27

Are pilot trim inputs on top of (additive) the TAD?

Answer 27

Yes

Question 28

Upon landing or during touch and go the TAD will set the rudder trim to ___________ position with aircraft on the _________ and airspeed below __________ KIAS.

Answer 28

Takeoff
Ground
80 kias

Question 29

Will the TAD system completely trim the aircraft in yaw?

Answer 29

No

Question 30

Which switch activates the TAD system?

Answer 30

Trim Aid switch

Question 31

What EICAS when TAD off?

Answer 31

TAD OFF

Question 32

Which cockpit is the gust lock in?

Answer 32

Front cockpit

Question 33

What position is the elevator in when gust lock in?

Answer 33

Nose down

Question 34

How is the rudder locked with the gust lock when it attached to the control stick?

Answer 34

Through a latch assembly and barrel lock via a latch operating cable.