Flight Control Flashcards
What is the only primary flight control that is not FBW?
Ailerons
What is the difference between normal mode and direct mode?
There are no higher level functions available in direct mode
What are the higher level functions associated with pitch?
- Gain on airspeed
- Elevator thrust compensation
- AOA limiting
What are the higher level functions associated with Yaw?
- Yaw Damp
- Turn Coordination
- Thrust Asymmetry
- Gain on Airspeed- as airspeed increases, rudder deflection decreases
What is the priority for the trim system?
- Back-up
- Captain
- FO
- Autopilot
How is Roll controlled?
Ailerons and multi-function spoilers (outer 3 spoilers on each wing)
How many multi-function spoilers are on each wing? What are their functions?
- 5 Total
- 3 outboard spoilers are used to assist in roll control and for ground spoilers
- 2 inboard spoilers are only used for ground spoilers
When will the speed brakes automatically close even if the lever shows deployed?
- Flaps ≥ 2
- Airspeed 70 degrees
What is the Flap/Slat extension/retraction sequence?
- Slats extend first
- Flaps retract first
Will loss of airspeed data cause the flight controls to go into “Direct” Mode?
Yes
Can a FCM override pilot input?
NO, the pilot always has supreme control
What happens to artificial feel if flight controls are disconnected?
Artificial feel is felt at 1/2 normal load
How are the flight controls trimmed?
- Roll & Yaw - Ailerons and Rudder surface repositioned to a new “neutral position”
- Pitch - Horizontal Stabilizer
Will the Multi-Function spoilers function in “Direct” mode?
Yes, for roll only and at a default fixed gain
Will the Speed Brakes/Ground Spoilers function in ‘Direct’ Mode
NO
