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67 Cards in this Set
- Front
- Back
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 conrols 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 or emergenct operation of a primary fight 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 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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49.5 degrees
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Full throw of the pilot's control stick raises the outboard flaperons how far
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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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Upward movement of the aileron
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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 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 beed 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 duplicat" 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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O 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 7 cable
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six 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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three
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What is the purpose of a quick disconnect in a cable system
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used for freAuent 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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to 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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it ensures neutral alignment of all connecting components
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a tensiometer is inaccurate for measuring cable tension under how many pounds
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30
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what is the actual tension on a 3/16 inch diameter cable if a No.2 riser is used and the dial on the tensiometer reads 48
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100 pounds
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when the control column is in neutral, the trailing edge of the control surface should be aligned to what degree on the throwboard scale
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zero
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with the aft sector rig pin in place, the elevators read 5 degrees above zero. what must you do to correct this
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lengthen the push pollrod until the elevator trailing edge reads zero
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a 1/8 inch flight control cable is composed of how many strands and wires
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seven strands and nineteen wires each
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what tools can be used to cut a small diameter cable
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heavy duty diagonal cutters, side cutters, or a pair of wire nippers
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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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to achieve the most efficient operation when seating a cable end fitting, you must use a 3/8 inch air line with at least how many pounds of pressure
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minimum of 90 pounds of pressure
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what manual contains info on proof testing various size cables
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NAVAIR 01-1A-8
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what components connect the wing flaps to the main wing assembly
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connected by various kinds of hingers and slides
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what is the purpose of the relief valve located in the prssure line ahead of the flap normal system selector valve
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relieves pressure from thermal expansion
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in a leading/trailing edge flap system, what is the full down deflection of the trailing edge flap
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60 +1, -2 degrees
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what component provides the power source for the emergency flap system
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a 300 cubic inch bottle charged to 3000 psi
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what component of the wing flap system shifts rotary motion to linear motion
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flap actuator
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moving the flap control handle to the TAKEOFF position will move the slats to what position
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27.5 degree leading edge down
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the wing control system provides high lift and drag forces for takeoff and landings. what other advantages does the wing control system provide
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increased lift for maneuvering and, at supersonic speeds, aerodynamic lift to reduce trim drag
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when is the only time a wing sweep self test can be performed
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when the wings are overswept
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what flight control is used to slow down the aircraft speed by increasing the profile drag
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speed brakes
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what type of switch is used to control the aileron trim system
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a five position, four throw, momentary ON contact switch with a center OFF position
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how does an aircraft that does not have trim tabs achieve lateral trim
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by repostioning the lateral control surfaces as necessary to achieve a balanced lateral flight condition.
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how is lingitudinal trim achieved on an aircraft that has movable horizontal stabilizers and elevators
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by changing the incidence of the stabilizer
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who must supervise the removal and installation of a wing assembly
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a senior petty officer
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what is the first step theperson in charge must perform before installing a new wing assembly
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check the identification tag to make sure it is the correct repleacement unit
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many of the general precautions listed under the removal and installation of what component apply to the removal and replacement of a stabilizer
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wing assembly
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what tool is used for removing the piano wire of a flight control surface
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a hand drill
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when istalling a flight control surface what tool is used to ensure that the hinge holes are properly aligned
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drift pin
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why is the alignment of an airframe important
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it is directly related to the aerodynamic performance of the aircraft
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how are flight control surfaces balanced at the time of manufacturer
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by adding weights to the inside of the leading edge of the control surface
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what must be accomplished prior to performing ad alignment check on an aircraft
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the aircraft must be level both laterally and longitudially
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what is used to control the attitude of and aircraft during an alignment check
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jacks
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haw many different reference points are used during transit leveling
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four, two longititudinal and two lateral
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when is an aircraft level when using the plumb bob method of leveling
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when the plumb bob pointer is at 0 degrees on the datum plate
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in what configuration must an sircraft be before a wing twist check can be performed
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the wings must be folded and the aircraft leveled laterally
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