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33 Cards in this Set
- Front
- Back
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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 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-pull rod 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 swaging 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 information 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 hinges and slides.
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What is the purpose of the relief valve located in the pressure 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 3,000 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 repositioning the lateral control surfaces as necessary to achieve a balanced lateral flight condition.
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How is longitudinal 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 the person 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 replacement 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 installing 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 manufacture?
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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 an alignment check on an aircraft?
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The aircraft must be level both laterally and longitudinally.
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What is used to control the attitude of an aircraft during an alignment check?
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Jacks.
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How many different reference points are used during transit leveling?
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Four, two longitudinal 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 aircraft 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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