WorksheetsATA 27- FLIGHT CONTROLS
Total questions: 47
Worksheet time: 24mins
In normal flight, if the control wheel is moved to the left, then the aileron on the right wing will.
Decrease the angle of attack of the right hand wing.
Increase the angle of attack of the right hand wing.
Keep the angle of attack of the right wing constant.
Aileron input is fed into the yaw damper system to.
Prevent nose pitching down.
Prevent nose pitching up.
Prevent adverse yaw in a turn.
In an automatic flight control system, when may the yaw damper be applied?
During manual control only.
During automatic control only.
During either manual or automatic control.
The aircraft is controlled about the lateral axis by the.
Elevator.
Ailerons.
Rudder.
The aircraft is controlled about the vertical axis by the.
Rudder.
Ailerons.
Elevator.
A stick shaker is a device which.
Vibrates the control column near stalling speed.
Gives a short period of extra lift to assist take off.
Helps extricate an aircraft from soft ground.
The aircraft is controlled about the longitudinal axis by the
Elevator.
Rudder
Ailerons.
Which of the following is not a primary flying control?
Rudder.
Tailplane.
Elevator.
A tab which assists the pilot to move a flying control by moving automatically in the opposite direction to the control surface is called a.
Trim tab.
Balance tab.
Servo tab.
When spoilers are used asymmetrically, they combine with.
Rudder.
Ailerons.
Elevators.
What is used to correct any tendency of the aircraft to move towards an undesirable flight attitude?
Balance tabs.
Trim tabs.
Spring tabs.
A stick shaker operates.
Just before the stall.
At the onset of the stall.
After the stall.
When the control column is moved back and the hand-wheel turned to the left.
The left aileron moves up and the elevators move up.
The elevators move down and the left aileron moves down.
The elevators move up and the left aileron moves down.
If the control column is moved forward and to the left.
Left aileron moves up, right aileron down, elevator down.
Left aileron moves up, right aileron moves down, elevator up.
Left aileron moves down, right aileron up, elevator down.
A differential aileron control is one which gives.
Equal aileron travel in each direction, but variable for stick movement.
The down-going aileron more travel than the up-going one.
A larger aileron up travel than down.
On an aircraft fitted with spoilers for lateral control, roll to the right is caused by
Left spoiler extending, right spoiler remaining retracted.
Both spoilers extending.
Right spoiler extending, left spoiler remaining retracted.
When an aileron trim control in the cockpit is moved to counteract a tendency to fly left wing low, an aileron trim tab fitted to the port aileron will.
Move up and cause the left aileron to move down and the right aileron to move down to a lesser degree.
Move up and this will cause the left aileron to move down and the right aileron to move up.
Move up and cause the left aileron to move down but the right aileron will remain neutral.
You have adjusted the elevator trim tab to correct for nose heavy. What was the direction of travel of the trim tab?
The port elevator tab has moved up and starboard moved down.
The elevator trim tab has moved down.
The elevator trim tab has moved up.
The yaw damper must be designed to allow the rudder to control in response to the aircraft's.
Dutch roll frequency.
Roll frequency.
Pitch Frequency.
Which of the following are primary control surfaces?
Roll spoilers, elevators, tabs.
Elevators, ailerons, rudder.
Elevators, roll spoilers, tabs.
An elevator provides control about the.
Horizontal stabilizer.
Longitudinal axis.
Lateral axis.
The outboard ailerons on some large aircraft.
Are isolated at low speeds.
Are isolated at high speeds.
Are isolated to improve sensitivity.
Aerodynamic balance of a control surface may be achieved.
By a horn at the extremity of the surface forward of the hinge line.
By weights added to the control surface aft of the hinge line.
By a trimming strip at the trailing edge of the surface.
A horn balance is.
A projection of the outer edge of the control surface forward of the hinge line.
A rod projecting upward from the main control surface to which the control cables are attached.
A rod projecting forward from the control surface with a weight on the end.
An elevator controls the aircraft motion in.
Roll.
Pitch.
Yaw.
Dutch roll is movement in.
Yaw and roll.
Yaw and pitch.
Pitch and roll.
Dutch roll is.
A combined yawing and rolling motion.
Primarily a pitching instability.
A type of slow roll.
Instability giving roll and yaw.
Is dutch roll
Is longitudinal stability.
Is lateral stability.
With respect to flight spoilers, they.
Can operate both on the ground and in flight.
Only operate in flight.
Only operate on the ground.
The two switches for pitch trim are located.
On the control column with the captain having priority over the First Officer.
On the control column acting like an 'OR' switch.
On the control column acting like an 'AND' switch.
A wing mounted stall warning vane.
Moves up at impending stall.
Moves down at impending stall.
Gives a visual indication of impending stall.
Powered flight control systems are used on transport aircraft.
Due to the increase in speed and size of aircraft.
Because at low level air density is high.
Because the pilot has too many tasks to perform.
A differential aileron control system results in.
Aileron drag being reduced on the outer wing in a turn.
Aileron drag being reduced on the inner wing in a turn.
Aileron drag being compensated by small rudder movements.
Spoiler panels are controlled by.
The aileron control wheel and speed brake lever.
The aileron control wheel only.
A speed brake lever only.
A stick shaker.
Is a linear actuator attached to the base of the control column.
Vibrates the elevators to cause buffeting of the airframe.
Is an eccentric flywheel driven by an electric motor and mounted on the control column.
Moving the elevator trim wheel fully aft, then the.
Aircraft tends to go nose up.
Aircraft tends to go nose down.
Aircraft tends to roll to the right.
What is used to verify sufficient thread engagement of push-pull rods
Number of threads
Witness holes
Length of rod-end
In which mode of operation (push or pull) do flexible cables have strength?
Push
A and B
Pull
What are two benefits of a yaw damper system?
Increasing the stability of the aircraft and smoother ride for the passengers.
Increased resistance to the controls and artificial feel at higher speeds.
Decreases drag and vibration.
Purpose of trailing edge flap of the aircraft when extended?
Decreasing the lift and speed of the aircraft on take off
Increasing the drag and lift on take off
Increasing the lift on take off and decrease aircraft speed during landing
When aircraft on the ground ,the ground spoilers are extended to?
Increase the lift
Increase the speed
Assistes the braking action
On large aircrafts the mechanical control network connected to the flight control as a back -up ?
The hydraulic control system and the auto flight system failure
The auto flight system failure
The hydraulic systems failure or failure of the hydraulic control system
The fly by wire system is?
The action of the pilots from cockpit transmits to electrical signals through a computer to various flight control actuators
The action of the pilots from cockpit transmits to electrical signals to various flight control actuators
The action of the pilots from cockpit transmits to electrical signals to flight control surfaces
The improved of flight by optics system is?
Flight by optics networks able to transfer data at medium speeds
Flight by optics networks able to transfer data at higher speeds than wired systems
Both of them are correct
When yaw damper actives:
At aircraft high speeds
At aircraft low speeds
Aircraft controlled manually or during operations involving the autopilot
Rudder limiter on high speed aircrafts reduce rudder deflection to:
Maximize the risk of exceeding structural limitation
Minimize the risk of exceeding structural limitation
Support rudder deflection
Rigging an aircraft flight control system by setting:
Belt crank , torque tubes and adjusting travel limits of flight controls
Cabble tension, adjusting travel limits of flight controls, tab and travel stops
Travel stops, torque tubes and adjusting travel limits of flight controls
