Systems - TAC

Question 1

For what engine malfunctions will thrust asymmetry compensation work?

Answer 1

Engine shutdown/flameout above 70kts, split thrust levers by 10%

Question 2

For what engine malfunctions will thrust asymmetry compensation NOT work?

Answer 2

Loss of thrust data, severe compressor stall, engine severe damage, and any time below 70kts

Question 3

What does the TAC OFF light in the switch indicate?

Answer 3

TAC is disabled

Question 4

During the takeoff roll, at what speed is TAC available?

Answer 4

70 kts

Question 5

What percentage of thrust level difference between engines will activate TAC?

Answer 5

10%

Question 6

After an automatic disconnect, how is TAC reactivated when valid engine data is available?

Answer 6

Reselected OFF then ON

Question 7

Is the use of rudder trim necessary when TAC is active?

Answer 7

No.

Question 8

If TAC is not active after an engine failure, can the autopilot maintain lateral control with manual rudder input?

Answer 8

Not really, manual rudder input is necessary