Flashcards in Flaps / Slats Deck (11):
How many SFCC are there? How many channels in each?
- 2 SFCC
- 1 slat channel and 1 flap channel
What happens if both channels of an SFCC fail?
If one SFCC is inoperative, slats and flaps both operate at ½ speed.
What causes a Wing Tip Brake to activate? How is it reset to normal?
- Activated in case of asymmetry, mechanism overspeed, symmetrical runaway, uncommanded movement of the surfaces.
- On the ground, by engineer.
Do flaps and slats have separate W.T.Bs?
How does Automatic Flap Retraction work?
When in config 1+F, the flaps retract to 0 automatically at 210kts before reaching VFE.
Is there any automatic slat retraction?
What is the resulting Flap/Slat config. When Config 1 is selected?
On the ground: 1+F (slats + flaps)
In the air: only slats
What does A-LOCK (blue) indication on the EWD?
“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.
What is the effect on the sidestick / rudder pedals with the autopilot engaged?
Increases the brake out force on the side stick controllers and the rudder pedals.
What is VFE next? How is it represented?
VFE next = max speed to select the next stage of flap.