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Flashcards in Flaps / Slats Deck (11)
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1
Q

How many SFCC are there? How many channels in each?

A
  • 2 SFCC

- 1 slat channel and 1 flap channel

2
Q

What happens if both channels of an SFCC fail?

A

If one SFCC is inoperative, slats and flaps both operate at ½ speed.

3
Q

What causes a Wing Tip Brake to activate? How is it reset to normal?

A
  • Activated in case of asymmetry, mechanism overspeed, symmetrical runaway, uncommanded movement of the surfaces.
  • On the ground, by engineer.
4
Q

Do flaps and slats have separate W.T.Bs?

A

Yes

5
Q

How does Automatic Flap Retraction work?

A

When in config 1+F, the flaps retract to 0 automatically at 210kts before reaching VFE.

6
Q

Is there any automatic slat retraction?

A

No

7
Q

What is the resulting Flap/Slat config. When Config 1 is selected?

A

On the ground: 1+F (slats + flaps)

In the air: only slats

8
Q

What does A-LOCK (blue) indication on the EWD?

A

“A-LOCK” pulses in cyan when the slat alpha/speed lock function is activated. If alpha >8.5 degrees or airspeed <148kts, retraction from 1 to 0 (slats) is inhibited.

9
Q

What is the effect on the sidestick / rudder pedals with the autopilot engaged?

A

Increases the brake out force on the side stick controllers and the rudder pedals.

10
Q

What is VFE next? How is it represented?

A

VFE next = max speed to select the next stage of flap.

11
Q

What are the FLAP limiting speeds and maximum altitude for extension?

A

FLAP 1 1+F 2 3 FULL
SPEED 230 215 200 185 177
Maximum altitude to use flaps: 20,000’