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35 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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Flaps (secondary flight controls).
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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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What causes the spoiler deflectors to open?
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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?
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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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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?
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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 maximum number of broken wires allowed in a 1-inch length of a 7 x 7 cable?
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Three broken wires.
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What is the maximum number of broken wires allowed per inch on a control cable passing over pulleys, drums, or through a fairlead?
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No broken wires allowed.
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What is the purpose of a quick disconnect in a cable system?
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Used for frequent disconnecting.
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A simple rigid control system consists of what components?
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Push-pull rods and bell cranks.
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After installing a new push-pull rod in a flight control system, what must be done to the control surface?
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It must be checked for correct travel.
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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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What is the purpose of a double-spring bungee?
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To protect against both overtension and overcompression.
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The purpose of rigging and adjusting a primary flight control system is to regulate and limit surface deflection in both directions. What other purpose does it serve?
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Ensure neutral alignment of all connecting components.
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