Flight controls

Question 1

How is the elevator controlled?

Answer 1

Mechanically

AOM 2-13-10 page 1.

Question 2

What is the memory item for a Jammed Elevator?

Answer 2

Elevator Disconnect..PULL

AOM 1-03-20 page 6

Question 3

How can disconnect elevator controls be reconnected?

Answer 3

On the ground only by maintenance. AOM 2-13-10 page 2.

Question 4

What indication is provided in the cockpit when the elevator systems are disconnected?

Answer 4

An amber light on the center pedestal illuminates to indicate the disconnection.

AOM 2-13-10 page 2.

Question 5

How many channels does the Horizontal Stabilizer Control Unit (HSCU) incorporate?

Answer 5

Two channels, main and backup. AOM 2-13-10 page 5.

Question 6

Can the autopilot control the pitch trim via both channels, main and backup?

Answer 6

No. The autopilot can only trim the horizontal stabilizer using the main channel. AOM 2-13-10 page 15.

Question 7

What is the memory item for Pitch Trim Runaway?

Answer 7

Quick Disconnect Button…PRESS AND HOLD. AOM 1-03-20 page 1.

Question 8

Continuous command of any trim switch is limited to how many seconds?

Answer 8

3, even if the trim switch is pressed longer than 3 seconds. AOM 2-13-10 page 9.

Question 9

How are the ailerons controlled and operated?

Answer 9

The are mechanically controlled, hydraulically operated by hydraulic systems 1 and 2. AOM 2-13-15 page 2.

Question 10

Can the ailerons be operated in the event of loss of both hydraulic systems?

Answer 10

Yes, the ailerons can be positioned manually

AOM 2-13-15 page 2

Question 11

What are the memory items for Aileron/Roll Trim Runaway?

Answer 11

Quick Disconnect Button…PRESS AND HOLD, Aileron System 1 and 2…OFF. AOM 1-03-20 page 7.

Question 12

How many rudders are there?

Answer 12

2, forward and aft

AOM 2-13-20 page

Question 13

How are the rudders controlled and operated?

Answer 13

They are mechanically controlled, hydraulically operated by hydraulic systems 1 and 2.

AOM 2-13-20 page 2

Question 14

Both rudder systems are powered below what speed in flight?

Answer 14

Below 135 KIAS. Above 135 KIAS, Rudder System 1 is automatically shut off

AOM 2-13-20 page 4.

Question 15

Explain rudder hardover protection and when it activates. 4

Answer 15

It is designed to activate in case of runaway rudder.

It reverts to rudder mechanical reversion if all of the following conditions are met:

• the rudder is deflected above 5° +/- 1°,
• > 130 lbs force on the pedal to counteract rudder deflection
• both engines are running above 56% N 2 .

AOM 2-13-20 page

Question 16

How many flap motors are part of the Flap Power and Drive Unit (FPDU)?

Answer 16

2. Both motors drive all the flap actuators through flexible shafts

AOM 2-13-30 page 2.

Question 17

Will the flaps fail if one of the two motors on the FPDU fails?

Answer 17

No. One motor can drive all the flaps panels, but at half speed.

AOM 2-13-30 page 2.