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30 Cards in this Set
- Front
- Back
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What type of flight control provides additional lift during takeoff and landing?
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Secondary flight control
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What type of flight control system is used on high-speed jet aircraft?
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Power-boost flight control system.
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What type of pressure supplies the force necessary to operate the control surface in a full power-operated system?
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Hydraulic pressure.
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On small or low-speed aircraft, cockpit flight controls are connected directly to control surfaces by what means?
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Cables or pushrods
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On high-speed aircraft, what components aid the pilot in moving the flight control surface?
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Hydraulic actuators
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Current specifications call for what type of power source for emergency operation of a primary flight control system?
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Independent hydraulic power source
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In an elevator system, what component ports hydraulic pressure to the power cylinder?
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The control valves
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With the stabilizer trimmed nose down, what action does the load-feel bungee add on the elevator?
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Nose down attitude
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Stabilizer trim deflection on an S-3 aircraft is from how many degrees down to up?
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-6 degrees down to +1 degree up.
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What is the maximum surface deflection of each stabilator on an F/A-18 aircraft?
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10.5 degrees trailing edge down to 24 degrees trailing edge up
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Full throw of a pilot’s control stick raises the inboard flaperons how far?
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Inboard flaperon raises 49 1/2 degrees
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Full throw of the pilot’s control stick raises the outboard flaperons how far?
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Outboard flaperon raises 53 degrees
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All four flaperons will automatically pop up approximately how many degrees when the aircraft has weight on wheels and the throttles are retarded?
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41 degrees.
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What combined flight control system achieves an increased roll rate about the longitudinal axis?
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Aileron and Spoiler deflection system
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Q16-15. What causes the spoiler deflectors to open?
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A16-15. Open with upward movement of the ailerons.
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What control system provides a means of controlling an aircraft about its vertical axis?
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Directional control system.
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When is a backup flight control system
activated? |
Whenever a partial or complete hydraulic failure occurs.
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At what pressure does the backup hydraulic system get activated?
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When system pressure is decreased from 700 to 900 psi.
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When does the backup flight control system perform as an isolated system?
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A16-19. When the flight and combined systems fail.
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What must be done to a flight control
hydraulic component when it is found to be contaminated? |
It must be removed and replaced
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When an aircraft has a discrepancy with the flight controls system, when is the aircraft released for further flights?
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When the discrepancy has been determined and corrected.
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What corrective action often results in a repeat discrepancy or loss of aircraft?
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Could Not Duplicate” or “Replaced Suspected Component”.
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Maintenance of the primary flight control power actuator is generally beyond the capability of what maintenance level?
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Organizational-level maintenance
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What will ensure proper response of a flight control surface?
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Correct cable tension
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How many control cables are there in a simple cable system?
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One
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Other than periodical inspections, what else must be done to a control cable?
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It must be kept clean.
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What is the maximum number of broken wires allowed in a 1-inch length of a 7 x 19 cable?
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Six broken wires
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What is the purpose of a bell crank and a walking beam?
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Change direction of motion when the airframe does not permit a straight run.
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A tensiometer is inaccurate for measuring cable tension under how many pounds?
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30 pounds.
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What is the most satisfactory method of cutting a cable?
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A cable-cutting machine.
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