ATA 22 - AUTOFLIGHT

Question 1

How many axis is the stabilization system?

Answer 1

3-axis

Question 2

How many axis is the autopilot system?

Answer 2

4-axis

Question 3

How many SEMA units are there?

Answer 3

7

Question 4

How many SEMA’s does the collective have?

Answer 4

1

Question 5

During normal operation, what mode is the stabilization system in?

Answer 5

AUTO TRIM

Question 6

If the auto trim system is deactivated, what controls the SEMA’s?

Answer 6

the Digital SAS (DSAS)

Question 7

Whilst in autoflight, how many AMC’s are controlling the SEMA’s and trim actuators?

Answer 7

The leading AMC, the second stays in hot standby incase of a failure.

Question 8

How is the IESI used by the autoflight system?

Answer 8

It provides addidtional sesnor information during normal flight.

Question 9

If both AMC’s fail, what provides backup SAS?

Answer 9

the IESI

Question 10

In backup SAS mode, how many SEMAS are used?

Answer 10

only one of each duplex SEMA

Question 11

Is the collective SEMA used during backup SAS?

Answer 11

No.

Question 12

Which AP is in command in normal conditions?

Answer 12

AP2

Question 13

How many SEMAs does the DSAS use in each axis?

Answer 13

It uses both SEMA’s of the axis

Question 14

AFCS Upper Mode gives full athority of which SEMAs?

Answer 14

all 7 SEMAs

Question 15

AFCS Upper Mode requires what flight control input from the pilots?

Answer 15

None - they can fly hands-off

Question 16

What is the APCP?

Answer 16

Auto Pilot Control Panel

Question 17

Where is the APCP located?

Answer 17

on the centre consol

Question 18

If the AP UM OFF button is pushed, what happens?

Answer 18

all upper modes are disengaged.

Question 19

Centering of the cyclic stick and pedals on the ground is done how?

Answer 19

turning on the AFCS and holding the AP UM OFF button for more than 1 second

Question 20

How many trim actuators are installed?

Answer 20

4

Question 21

Which plane is the FWD cyclic trim actuator for?

Answer 21

longitudinal

Question 22

During manual flight, how many SEMAs are used for SAS?

Answer 22

6. The collective isn’t used.

Question 23

When would the warning AUTOPILOT illuminate?

Answer 23

total loss of AP1 & AP2

Question 24

Cyan coloured components of the AFCS shown on the MFD are of what state?

Answer 24

Standby

Question 26

OEI