Speed Brake System

Question 1

Where is the speed brake located?

Answer 1

between the flaps

Question 2

What happens to elevator trim when the speed brake is extended?

Answer 2

A system of cables, pulleys, and push-pull flexible cables connected from the speed brake to the elevator trim tab actuator automatically inputs pitch trim as the speed brake is operated.

Question 3

The automatic elevator trim counteracts all of the pitch change tendency of the speed brake.

Answer 3

False.

Question 4

The speed brake will extend to _____ from the stowed position, and may not be stopped at an intermediate deflection.

Answer 4

70°

Question 5

may the speed brake be stopped at an intermediate deflection.

Answer 5

No

Question 6

The speed brake switch is a ______-position switch spring-loaded to the______ position, located on the top inside surface of each PCL

Answer 6

three; center

Question 7

_________ movement of

either switch extends the speed brake and _______ movement retracts the speed brake

Answer 7

Rearward ; forward

Question 8

If the flaps are extended, the

speed brake will also extend.

Answer 8

False. It will not

Question 9

Once extended, the speed brake remains extended until?

Answer 9

1. either switch is moved forward to retract
2. the flaps are extended
3. the PCL is moved to
   MAX.