Flight Controls Flashcards
Name the primary and secondary flight controls
Primary EAR…elevator, aileron, rudder
Secondary…flaps, trims
How many static wicks on the elevator?
2 each side
How many static wicks on each winglet?
2
What system moves the rudder along with the aileron?
Aileron/rudder interconnect system
How many static wicks on the rudder?
3
How is aileron trim activated?
Electrically from the yoke…left aileron moves
What is unique about the aileron trim tabs?
Act as balance tabs
How many trim motors does the stab have?
2
How are the stab motors powered?
Primary….battery bus….uses trim switches
Alternate….gen 1 bus….autopilot
Is the yaw damper part of the autopilot system?
No
What is the only flight control failure that a pilot may reset? When can it be reset?
Flap failure…reset breaker after 5 minutes
How many times must the flap jackscrew turn to not set off a CAWS warning?
At least 10 in 5 seconds
How many sensors detect flap position?
5….one at the handle and 1 at each screw
At what asymmetry is flap operation stopped and CAWS message issued?
5 degrees
At what flap asymmetry will the pusher reset and add 5 knots to pusher speed?
Flap assymetry and greater than 2 degrees deflection
What is CWS?
Control wheel steering…disengages autopilot when pressed, allowing pilot to change AC position
How can you reset a flap interrupt switch?
You can’t…maintenance function only
How is AOA for stall protection determined?
Two computers
How many stick shaker computers will activate the stall warning and shaker? Stick pusher?
1 for stall warning and shaker
2 for stick pusher
How does PUSHER ICE mode affect AOA and stick shaker?
Reduced by 8 degrees
Is the stick pusher active at takeoff?
5 second delay
Is the stall warning and stick shaker available at takeoff?
Yes
What could cause a pusher CAWS message?
Faulty squat switch
Can the stick shaker be tested inflight?
Yes…no shaker will activate
