15. Flight Controls

Question 1

What pressure differential detected by the Delta P switch will activate rudder boost?

Answer 1

60 +/-5 psi

Question 2

What position must the bleed air switches be to arm rudder boost?

Answer 2

Both OPEN or ENVIR OFF position

Question 3

How can rudder boost be disengaged?

Answer 3

Place either bleed air switch to INSTR & ENVIR OFF position

Question 4

Above what altitude is yaw damp required to be operational?

Answer 4

17000ft

Question 5

How does the split flap protection work?

Answer 5

The fuse or switch is rigged in such a way that if either flap on one side splits 3° to 6° during travel up or down, the circuit is interrupted and the motor stops. Once the motor stops due to a split flap condition, the flaps cannot be moved until the failure is corrected.
(No protection between different sides of aircraft)

Question 6

When will stall warning sound for each flap position?

Answer 6

Retracted- 5-13kt above stall
Approach- 5-12kt above stall
Down- 8-14kt above stall

Question 7

What is V fe (approach and down)

Answer 7

Approach- 200kias
Down- 157kias

Question 8

What is Vmca?

Answer 8

86kias

Question 9

What is the purpose of the lump of the aileron trailing edge?

Answer 9

To assist with centring tendency after aileron deflection.
Introduced on 200 after aileron was made longer on longer wing.