FLAPS/SLATS

Question 1

What system prevents Flap or Slat asymmetry?

Answer 1

Wing Tip Brakes (WTB)

Question 2

How many Slat/Flap Control Computers (SFCC) are installed?

Answer 2

2

Question 3

What would occur if one SFCC failed?

Answer 3

The slats and flaps would continue to operate, but at half speed.

Question 4

What flap/slat configurations correspond to position 1 on the FLAPS lever and how do
they differ?

Answer 4

o CONF 1+F is used for takeoff and provides both slats (position 1) + flaps.
o CONF 1 is used in-flight and is slats only.

Question 5

When will the Automatic Retraction System operate?

Answer 5

During acceleration in CONF 1+F the FLAPS (not slats) will automatically retract
to 0 at 210 knots.

Question 6

What is Alpha Lock?

Answer 6

This function inhibits retracting flaps/slats from 1 to 0 at a high angle of attack
or low airspeed.

Question 7

What happens to the ailerons when the flaps are extended?

Answer 7

o The ailerons droop 5°