6 Assembly and Rigging
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| show | cyclic pitch control.
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| The vertical flight of a helicopter is controlled by | show 🗑
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| A tension regulator in the flight control cable system of a large all-metal aircraft is used primarily to | show 🗑
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| show | through the center of gravity at all times.
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| show | the full rated strength of the cable.
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| Buffeting is the intermittent application of forces to a part of an airplane. It is caused by | show 🗑
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| If control cables are adjusted properly and the control surfaces tend to vibrate, the probable cause is | show 🗑
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| show | so that the airplane will have a nose-heavy tendency.
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| If a single-rotor helicopter is in forward horizontal flight, the angle of attack of the advancing blade is | show 🗑
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| Movement of the cockpit control toward the nosedown position during a ground operational check of the elevator trim tab system will cause the trailing edge of the trim tab to move in which direction? | show 🗑
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| The cable-operated control system of an all-metal aircraft, not incorporating a temperature compensating device, has been rigged to the correct tension in a heated hangar. If the aircraft is operated in very cold weather, the cable tension will | show 🗑
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| Where is the buttock line or buttline of an aircraft? | show 🗑
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| Movement of an airplane along its lateral axis (roll) is also movement | show 🗑
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| An airplane is controlled directionally about its vertical axis by the | show 🗑
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| Proper wing twist in a sheet metal constructed wing can usually be checked by utilizing a | show 🗑
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| show | Install critical stress panels or plates.
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| Differential control on an aileron system means that | show 🗑
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| If a pilot reports that an airplane flies left wing heavy, this condition may be corrected by | show 🗑
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| show | Span and chord.
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| show | rejected.
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| The purpose in checking main rotor blade tracking is to determine the | show 🗑
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| When used in close proximity to magnetic compasses, cotter pins are made of what material? | show 🗑
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| show | nose into the wind.
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| show | pilot can determine the relative position of the trim tab from the cockpit.
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| Very often, repairs to a control surface require static rebalancing of the control surface. Generally, flight control balance condition may be determined by | show 🗑
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| One purpose of the freewheeling unit required between the engine and the helicopter transmission is to | show 🗑
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| With which system is differential control associated? | show 🗑
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| Where would you find precise information to perform a symmetry alignment check for a particular aircraft? | show 🗑
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| Which statement is correct concerning torque effect on helicopters? | show 🗑
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| How are changes in direction of a control cable accomplished? | show 🗑
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| show | Fowler flaps.
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| show | with the aileron in the NEUTRAL position.
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| show | broken strands.
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| show | Torque and directional control.
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| show | Breakage usually occurs where cables pass over pulleys and through fairleads.
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| (Refer to Figure 8.) Identify the cable that is used in primary control systems and in other places where operation over pulleys is frequent. | show 🗑
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| show | pitch.
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| Which is an acceptable safety device for a castle nut when installed on secondary structures? | show 🗑
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| show | track
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| Movement about the lateral axis (pitch) in a helicopter is effected by movement of the | show 🗑
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| If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move | show 🗑
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| The correct dihedral angle can be determined by | show 🗑
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| show | assist the pilot in moving the control surfaces.
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| Excessive wear on both of the sides of a control cable pulley groove is evidence of | show 🗑
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| When inspecting a control cable turnbuckle for proper installation, determine that | show 🗑
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| When the lift of an airfoil increases, the drag will | show 🗑
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| The dihedral angle of a wing may be measured by placing a straightedge and level protractor on the | show 🗑
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| Fairleads should never deflect the alignment of a cable more than | show 🗑
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| If the right wing of a monoplane is improperly rigged to a greater angle of incidence than designated in the manufacturer's specifications, it will cause the | show 🗑
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| show | Use a terminal gauge to check the diameter of the swaged portion of the terminal.
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| In a hovering helicopter equipped with a tail rotor, directional control is maintained by | show 🗑
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| Which statement concerning the 100-hour inspection of an airplane equipped with a push-pull tube-type control system is true? | show 🗑
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| After repairing or re-covering a rudder, the surface should be rebalanced | show 🗑
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| show | directional stability.
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| When installing a castle nut, start alignment with the cotter pin hole at the | show 🗑
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| Wing dihedral, a rigging consideration on most airplanes of conventional design, contributes most to stability of the airplane about its | show 🗑
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| show | does not change when in flight.
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| The angle of incidence is that acute angle formed by | show 🗑
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| show | tilting the main rotor disk in the desired direction.
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| show | lateral stability.
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| show | lateral axis.
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| show | degrees of flap travel.
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| show | 137 inches aft of the zero or fixed reference line.
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| The acute angle formed by the chord line of a wing and the relative wind is known as the | show 🗑
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| show | stall the inboard portion of the wings first.
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| During inspection of the flight control system of an airplane equipped with differential-type aileron control, side-to-side movement of the control stick will cause | show 🗑
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| An airplane that has a tendency to gradually increase a pitching moment that has been set into motion has | show 🗑
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| Washing-in the left wing of a monoplane, for purposes of rigging corrections after flight test, will have what effect on the lift and drag of that wing? | show 🗑
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| show | So that air currents do not destabilize the scales.
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| show | down and the elevator will move down.
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| The purpose of wing slats is to | show 🗑
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| show | tail to pivot in the direction of torque rotation around the main rotor axis.
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| As the angle of attack of an airfoil increases, the center of pressure will | show 🗑
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| What is the purpose of the free-wheeling unit in a helicopter drive system? | show 🗑
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| show | The airplane will be heavy on the controls.
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| show | checked with a go-no-go gauge before and after, to show compliance with the manufacturer's requirements after the swaging operation.
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| If the vertical fin of a single-engine, propeller-driven airplane is rigged properly, it will generally be parallel to | show 🗑
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| show | Aircraft Type Certificate Data Sheet.
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| show | 117 pounds minimum, 143 pounds maximum.
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| The chord of a wing is measured from | show 🗑
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| The elevators of a conventional airplane are used to provide rotation about the | show 🗑
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| show | 1/8 inch.
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Created by:
Jack Mollohan