Flight Controls

Question 1

What are the two basic modes of operation for the flight control system?

Answer 1

Normal Mode (NM) and Direct Mode (DM)

Question 2

When will the flight control system revert automatically to Direct Mode (DM) operation?

Answer 2

When it is not possible to keep the Normal
Mode (NM) operation due to multiple system failures

Question 3

Is flight under Direct Mode (DM) recommended? Why or why not?

Answer 3

No, it should be avoided as some airplane
protection functions are only available in
Normal Mode (NM)

Question 4

What happens when the AP/PTY button is
momentarily pressed?

Answer 4

The autopilot is disengaged

Question 5

What happens when the AP/PTY button is
pressed for more than 1 second?

Answer 5

Control is given to the sidestick
while pressed and the priority annunciation is activated

Question 6

What happens when the AP/PTY button is
pressed and held for more than 20 seconds?

Answer 6

The respective sidestick will have exclusive
control latched

Question 7

If one sidestick has been latched out, how
can exclusive control be removed?

Answer 7

By pressing either side’s priority button