Flight Controls Flashcards
Primary Flight controls?
Ailerons (no FBW)
Multifunction Spoilers (roll control)
Elevator
Rudder
Secondary flight controls?
Horiz Stabilizer
MF spoilers (speed brakes)
Slats / Flaps
Ground spoilers
Fly by Wire higher level functions gets commands from?
FCM Flight Control Module (computer)
AP/TRIM DISC button does what?
Disables both HS-ACE 1, 2 channels when press and hold
Stops any active trim commands
Normal mode v. Direct mode?
No higher level functions in direct mode
Higher level functions of pitch/Elevators? 3
Gain on airspeed
Elevator thrust compensation
AOA limiting
Higher level functions of Horiz Stabilizer? 2
Keep airplane trimmed via autopilot
Prevent structural damage at high speeds
Higher level functions of yaw/Rudder? 3
Yaw damp
Turn coordination
Gain on airspeed
Priority of trim system?
Backup
Capt
FO
Autopilot
Spoilers ? How many?
3 outboard MF for roll control, speed brakes and ground spoilers
2 inboard only used as ground spoilers
Total 5 per wing
Speed brakes auto close when?
Slats/flaps 2 or greater
Airspeed less than 180
TLA more than 70*
Loss of airspeed data causes flight controls to go into?
Direct mode
How r flight controls trimmed?
Roll n yaw : Ailerons n Rudder surface repositioned to new ‘neutral position’
Horiz Stab repositioned for Pitch
RAT only AC power source, what happens?
Horiz Stab trim LO speed
Slats/flaps LO speed, only to 3*
Fly by wire FBW system components?
9 Actuator control Electronics ACE
3 Primary P-Ace
2 Slats/Flap SF-Ace
1 Horiz Stab HS-Ace
3 Spoiler S-Ace
4 Flight Control Modules FCM (computer)
Dedicated backup battery
