CFI-H -Written-
6608 - 2. Coriolis effect causes rotor blades to A. Vary the angle of attack B. Accelerate and decelerate C. Precess 90° in the direction of rotation
B. Accelerate and decelerate
6613 - 3. Effective translational lift is the point that during helicopter flight when A. Hovering flight may be maintained B. Additional lift is obtained from increased airflow through the rotor disc C. The increased ground speed provides additional performance required to transition from a hover
B. Additional lift is obtained from increased airflow through the rotor disc
6835 - 2. Which maneuver would cause the unloading the rotor system, and results in a possible power pushover? A. During a steep descent B. After a pushover from a steep climb C. Just prior to landing
B. After a pushover from a steep climb
6679. If a Pitot tube is clogged, which instrument would be affected? A. altimeter B. Airspeed indicator C. Vertical speed indicator
B. Airspeed indicator
7093 - 2. Which is true concerning operation of an airplane? A. Like a helicopter, vertical descents to a safe landing are possible B. Altitude permitting, flying behind the power curve is not a problem C. Rotor rpm remains constant during changes in airspeed while descending
B. Altitude permitting, flying behind the power curve is not a problem
6515. The angle between the core line of an airfoil and the relative wind is known as the angle of A. Lift B. Attack C. Incidence
B. Attack
6512. The point on it airfoil through which lift acts is the A. Center of gravity B. Center of pressure C. Midpoint of chord
B. Center of pressure
6672. Deviation air of the magnetic compass is caused by A. Northerly turning error B. Certain metals and electrical systems within the aircraft C. The difference in location of true North and magnetic north
B. Certain metals and electrical systems within the aircraft
6532. What action is necessary to make an aircraft turn? A. Yaw the aircraft B. Change the direction of lift C. Change the direction of thrust
B. Change the direction of lift
6681. Which statement is true about the effect of temperature changes on the indications of a sensitive altimeter? A. Warmer than standard temperatures will place the aircraft lower than the altimeter indicates B. Colder than standard temperatures will place the aircraft lower than altimeter indicates C. Colder than standard temperatures will place the aircraft higher than the altimeter indicates
B. Colder than standard temperatures will place the aircraft lower than altimeter indicates
6567. The capability of an aircraft to respond to a pilot's inputs, especially with regard to flight path and attitude, is A. Response B. Controllability C. Maneuverability
B. Controllability
6618 - 1. In order to maintain level flight (laterally) as air speed increases on a climb out after takeoff in a gyroplane, the pilots will need to increase A. Rudder pressure to the left B. Cyclic pressure to the right C. Rudder and cyclic pressure to the left
B. Cyclic pressure to the right
6603 - 2. Gyro planes that use small wings will cause rotor drag to do what at higher crews airspeed? A. Increase B. Decrease C. Remain the same
B. Decrease
6530. As the angle of bank is increased, the vertical component of lift A. Increases in the sink rate increases B. Decreases and the sink rate increases C. Increases in the sink rate decreases
B. Decreases and the sink rate increases
6675. Which statement is true about magnetic deviation of a compass? A. Deviation is the same for all aircraft in the same locality B. Deviation varies for different headings of the same aircraft C. Deviation is different in a given aircraft and localities
B. Deviation varies for different headings of the same aircraft
6600. The lift differential that exists between advancing and retreating main rotor blades is known as A. Translational lift B. Dissymmetry of lift C. Translating tendency
B. Dissymmetry of lift
6570. If an aircraft has negative dynamic and positive static stability, this will result in A. undamped oscillations B. Divergent oscillations C. Convergent oscillations
B. Divergent oscillations
6609. In certain single - rotor helicopters, the mast is rigged away from the vertical position approximately 1°. This slight vertical offset is primarily for the purpose of counteracting A. Yaw B. Drift C. Torque
B. Drift
6597 - 1. When the angle of attack of a symmetrical airfoil is increased, the center of pressure will A. Remain unaffected B. Have very little movement C. Move aft along the airfoil surface
B. Have very little movement
6677. pitot static system errors are generally the greatest at which range of airspeed A. Low airspeed B. High airspeed C. Maneuvering airspeed
B. High airspeed
6525. As airspeed decreases in level flight, total drag of an aircraft becomes greater than the total drag produced at the maximum lift/drag speed because of A. Decrease in induced drag B. Increase in induced drag C. Increase in parasite drag
B. Increase in induced drag
6603 - 1. What will cause an increase in coning? A. Increase in left; increase and centrifugal force B. Increase in list; decrease in centrifugal force C. Decrease in lift; decrease in centrifugal force
B. Increase in list; decrease in centrifugal force
6616. When a rotorcraft transitions from straight and level flight into a 30° bank well maintaining a constant altitude, the total lift force must A. Increase, and the load factor will decrease B. Increase, and the load factor will increase C. Remain constant, and the load factor will increase
B. Increase, and the load factor will increase
6814. Maximum gliding distance of an aircraft is obtained when A. Parasite drag is the least B. Induced drag and parasite drag are equal C. Induced drag equals the coefficient of lift
B. Induced drag and parasite drag are equal
6527. Which relationship is correct when comparing drag and airspeed? A. Induced drag increases as the square of the airspeed B. Induced drag varies inversely as the square of the airspeed C. Profound drag varies inversely as the square the airspeed
B. Induced drag varies inversely as the square of the airspeed
6523. The portion of the aircraft total drag created by the production of lift is called A. Induced drag, and is not affected by changes in airspeed B. Induced drag, and is greatly affected by changes in airspeed C. Parasite drag, and is greatly affected by changes in airspeed
B. Induced drag, and is greatly affected by changes in airspeed
6569. If the air speed increases and decreases during longitudinal phugoid oscillations, the aircraft A. Will display poor trimming qualities B. Is maintaining a nearly constant angle of attack C. Is constantly changing angle of attack making it difficult for the pilot to reduce the magnitude of the oscillations
B. Is maintaining a nearly constant angle of attack
6522. During flight with zero angle of attack, the pressure along the upper surface of a wing would be A. Equal to the atmospheric pressure B. Less than the atmospheric pressure C. Greater than atmospheric pressure
B. Less than the atmospheric pressure
6610 - 2. What type of stability does the horizontal stabilizer provide during flight? A. Airspeed B. Longitudinal C. Lateral
B. Longitudinal
6566. The quality of an aircraft the permits it to operate easily and to withstand the stresses imposed on it is A. Stability B. Maneuverability C. Controllability
B. Maneuverability
6607 - 4.(Refer to figure 37A). During an autorotation, which portion of the rotor blades provides the thrust required to maintain rotor rpm? A. Inner or stall B. Middle or autorotative C. Outer or propeller
B. Middle or autorotative
6699 - 1. A one - per- revolution vibration in a gyroplane indicates which condition? A. Rotor blades out of balance B. One rotor blade out of track C. Possible onset of retreating blade stall
B. One rotor blade out of track
6521. An aircraft wing is designed to produce lift resulting from A. Negative air pressure below the wings surface and positive air pressure above the wings surface B. Positive air pressure below the wings surface and negative air pressure above the wings surface C. A larger center of pressure above the wings surface and a lower center of pressure below the wings surface
B. Positive air pressure below the wings surface and negative air pressure above the wings surface
6526. Their resistance, or skin friction, due to the this viscosity of the air as it passes along the surface of a wing is called A. Form drag B. Profile drag C. Parasite drag
B. Profile drag
6513. Lift produced by airfoil is the net force developed perpendicular to the A. Chord B. Relative wind C. Longitudinal to access of the aircraft
B. Relative wind
6597 - 2. In a helicopter, drag is a force parallel to the A. Rotor blade plane of rotation due to coning angle B. Relative wind and perpendicular to lift C. Angle of incidence and perpendicular to lift
B. Relative wind and perpendicular to lift
6614. In preparing to take off and it gyroplane, your student engages the clutch and pre-rotates the rotor to takeoff rpm. If brakes are released prior to disengaging the clutch, the gyroplane will turn A. Left because of rotor torque B. Right because of rotor torque C. Right because of injury propeller torque
B. Right because of rotor torque
6833 - 2. Which may lead to a power push - over in a gyroplane? A. Low speed B. Rotor force is removed C. Decreasing power to quickly
B. Rotor force is removed
6510. How can a pilot increase the rate of turn and decrease the radius at the same time? A. Shallow the bank and increase airspeed B. Steepen the bank in decrease airspeed C. Steepen the bank and increase airspeed
B. Steepen the bank in decrease airspeed
6608 - 3. The purpose of a horizontal stabilizer on a helicopter is to provide A. A fixed surface to improve speed in-flight B. Sufficient controllability of the aerodynamic pitching moment of the fuselage C. Adequate cyclic control travel when operating at or near CG limits
B. Sufficient controllability of the aerodynamic pitching moment of the fuselage
6674. What should be the indication on magnetic compass as you roll into a standard rate of turn to the right from a South heading in the northern hemisphere? A. The compass will initially indicate a turn to the left B. The compass will indicate a turn to the right, but at a faster rate than is actually occurring C. The compass will remain on South for a short time, then gradually catch up to magnetic heading of the airplane
B. The compass will indicate a turn to the right, but at a faster rate than is actually occurring
6504. Why does increasing speed also increased lift? A. The increased velocity of the relative wind overcomes the increased drag B. The increased impact of the relative wind on it airfoils lower surface treated greater amount of air being deflected downward C. The increased speed of the air passing over an airfoil upper surface increases the pressure, thus creating a greater pressure differential between the upper and lower surface
B. The increased impact of the relative wind on it airfoils lower surface treated greater amount of air being deflected downward
6835 - 3. Is a gyroplane CG is below the propeller thrust line, which direction with the application of power caused the nose to move? A. The nose will pitch up B. The nose will pitch down C. The nose will not move
B. The nose will pitch down
7288. What is absolute altitude? A. Altitude read directly from the altimeter B. The vertical distance of the aircraft above the surface C. The height above the standard datum plane
B. The vertical distance of the aircraft above the surface
6618. Longitudinal and lateral control in a gyroplane in-flight are affected by A. Antitorque pedals B. Tilting the plane of rotation of the rotor in the direction that control is desired C. Adjusting the pitch of the rotor blades to the angle and direction that control is desired
B. Tilting the plane of rotation of the rotor in the direction that control is desired
6611. The tendency of a helicopter to drift in the direction of tail rotor thrust during a hover is called A. Coriolis force B. Translating tendency C. Transverse flow effect
B. Translating tendency
6613 - 4. The vibration that you notice in a helicopter when entering translational lift is a result of a condition called A. Advancing blade compressibility B. Transverse flow effect C. Dissymmetry of lift
B. Transverse flow effect
6606. During forward cruising flight at constant airspeed and altitude, the individual rotor blades, when compared to each other, are operating at A. Unequal airspeed, equal angles of attack, and unequal lift moment B. Unequal airspeed, unequal angles of attack, and equal lift moment C. Constant airspeed, unequal angles of attack, and unequal lift moment
B. Unequal airspeed, unequal angles of attack, and equal lift moment
7287. Under what condition is indicated altitude the same as true altitude A. If the altimeter has no mechanical error B. When a sea level under standard conditions C. When 18,000 feet MSL with real toner set at 29.92
B. When a sea level under standard conditions
6615 - 2. Removing the rotor force on a gyroplane can lead to A. A power pushover B. Increased rotor rpm C. Pilot induced oscillation
A. A power pushover
6610 - 1. As each blade flaps up and down, it produces a shift of the center of its mass. When the blade flaps up, the CG moves closer to its axis of rotation, giving them blade a tendency to A. Accelerate its rotational velocity; this tendency is known as Coriolis effect B. Stabilize its rational velocity, thus compensating for dissymmetry of lift C. Decelerate its rotational velocity; this tendency is known as translating tendency
A. Accelerate its rotational velocity; this tendency is known as Coriolis effect
7097 - 5. Which will help prevent pilot induced oscillation in a gyroplane? A. Adding a horizontal point of reference B. Decreasing loading on the rotor blades C. Raising the center of thrust above the center of fuselage drag
A. Adding a horizontal point of reference
6699 - 2. What should help prevent aircraft induced oscillation on a gyroplane? A. Adding a horizontal stabilizer B. Increasing cyclic control sensitivity C. Lowering the center of gravity below the thrust line
A. Adding a horizontal stabilizer
6599 - 1. If you apply cyclic control pressure which results in a decrease in pitch angle of the rotor blades at a position approximately 90° to your last, the rotor disk will tilt A. Aft B. Left C. Right
A. Aft
6673. In the northern hemisphere, which would be correct about starting the rollout from a turn using a magnetic compass? Start the rollout A. After the compass indication passes South by a number of degrees approximately equal to the latitude minus the normal rollout lead B. Before the compass indication reaches South by a number of degrees approximately equal to the latitude over which the turn is made plus the pilots normal lead C. After the compass indication passes South by a name number of degrees approximately equal to the magnetic variation of the area over which the turn is made plus the pilots normal lead
A. After the compass indication passes South by a number of degrees approximately equal to the latitude minus the normal rollout lead
6607 - 2. During an autorotation, more forward cyclic is required in during powered flight in order to A. Attain in airspeed will enable the rotor system to reach its equilibrium rpm B. Neutralize the anti-autorotative forces C. Allow aerodynamic force vectors to accelerate the rotor to normal rpm
A. Attain in airspeed will enable the rotor system to reach its equilibrium rpm
7097 - 3. Which pilot action will help reduce pilot induced oscillation and gyroplane? A. Avoid flight at high speeds B. Increase power if nose pitches down C. Prior to a climb, increase pitch attitude before increasing power
A. Avoid flight at high speeds
6602 - 1. The combination of lift and centrifugal force produces A. Coning B. Flapping C. Coriolis effect
A. Coning
6608 - 1. The purpose of lead to - lag(drag) hinges on a 3 bladed, fully articulated rotor system is to compensate for A. Coriolis effect B. Dissymmetry of lift C. Blade flapping tenancy
A. Coriolis effect
6601 - 2. Flapping of rotor blades is the result of A. Dissymmetry of lift B. Retreating blade stall C. Transverse flow effect
A. Dissymmetry of lift
6604. The forward speed of a rotorcraft is restricted primarily by A. Dissymmetry of lift B. Transverse flow effect C. High - frequency vibrations
A. Dissymmetry of lift
6607 - 1. In forward flight and with the blade - pitch angle constant, the increased lift on the advancing blade will cause it to A. Flap up, causing a decrease in the angle of attack B. Flap up, causing an increase in the angle of attack C. Flap down, causing a decrease in the angle of attack
A. Flap up, causing a decrease in the angle of attack
6559.(Refer to figure 20) at the airspeed represented by point A, and steady flight, the aircraft will A. Have its maximum lift/drag ratio B. Have its minimum lift/drag ratio C. The developing its maximum coefficient of lift
A. Have its maximum lift/drag ratio
6503. Rotor blade rotation during powered flights and Gyro plane is produced by the A. Horizontal component of rotor lift B. Interaction between engine propeller thrust and rotor blade drag C. Transfer of engine power to the clutch to the rotor shaft
A. Horizontal component of rotor lift
6620. A gyroplane will have the greatest tendency to roll during A. Horizontal flight at high speed B. Climbing flight in which forward airspeed decreases C. Descending flight in which forward airspeed decreases
A. Horizontal flight at high speed
6613 - 2. Transverse flow effect is caused by A. Increased downwash velocity of air flowing over the rear portion of the rotor disc B. Disturbed flow of air due to gyroscopic precision C. Air flowing through the rotor system opposite direction of forward flight
A. Increased downwash velocity of air flowing over the rear portion of the rotor disc
6602 - 2. with the rotor turning at normal operating rpm, blades will been upward due to A. Lift being greater than centrifugal force B. Centrifugal force being greater than left C. Lift being greater than drag
A. Lift being greater than centrifugal force
6599 - 2. Tip path plane may be described as A. Meaning the same as rotor disk B. Being proportional to disc loading C. The longitudinal axis of the rotor disk in horizontal flight
A. Meaning the same as rotor disk
6612. When helicopter experiences a translating tendency, it A. Moves in the direction of tail rotor thrust B. Gains increased rotor efficiency as air over the rotor system reaches approximately 15 knots C. Tends to dip slightly to the right as the helicopter approaches approximately 15 knots in a takeoff
A. Moves in the direction of tail rotor thrust
6563. Initial tendency of an aircraft to develop forces that further remove the aircraft from its original position, when disturbed from a condition of steady flight is known as A. Negative static stability B. Dynamic instability C. Positive static stability
A. Negative static stability
6565. If the aircraft nose initially tends to move farther from its original position after the elevator control is pressed forward and released, aircraft displays A. Negative static stability B. Positive static stability C. Positive dynamic stability
A. Negative static stability
6568. If the aircraft nose remains in the new position after the elevator control is pressed forward and released, the aircraft displays A. Neutral static stability B. Negative static stability C. Positive static stability
A. Neutral static stability
6564. If the aircraft nose initially tends to return to its original position after the elevator control is pressed forward and released, the aircraft displays A. Positive static stability B. Neutral dynamic stability C. Negative dynamic stability
A. Positive static stability
7097 - 1. Rotor torque is a concern in Gyroplanes only during A. Prerotation or clutch engagement B. Maneuvers requiring high rotor rpm C. Maximum performance climbs and go - arounds requiring higher engine RPM
A. Prerotation or clutch engagement
7097 - 2. What should be the 1st step in correcting pilot induced oscillation in a gyroplane? A. Reduce power B. Establish a client C. Apply positive forward cyclic
A. Reduce power
7097 - 4. What should be the 1st action taken if a gyroplane begins to oscillate in-flight? A. Reduce power B. Unload rotor system C. Apply aft cyclic pressure to increase pitch and reduce airspeed
A. Reduce power
7095. In which takeoff situation would a gyroplane with jump takeoff capability have an advantage? A. Soft field B. Short field C. High elevation
A. Soft field
6502. The tendency of an aircraft to develop forces which restore it to its original condition, when disturbed from a condition of steady flight is known as A. Stability B. Controllability C. Maneuverability
A. Stability
6700 - 2. Low-speed blade flap I gyroplane is a result of A. Taxiing too fast B. Rotor blade pitch set too high C. The rotor blades being too heavy
A. Taxiing too fast
6605. What is dissymmetry of lift? A. The difference in lift that exists between the advancing blade half and the retreating blade half of the disc area B. The difference in the lift that exists between the rearward parts and the forward part of the rotor disk during forward flight C. A term used to differentiate between air flowing downward through the rotor in power flight and upwards through the rotor and autorotative flight
A. The difference in lift that exists between the advancing blade half and the retreating blade half of the disc area
6613 - 1. Most helicopters tend to drift to the right when hovering. What's is done to counteract this? A. The mast is rigged slightly to the left B. The direction of tail rotor thrust can be changed by using antitorque pedals C. The cyclic pitch system is rigged forward, and along with gyroscopic precision, this tendency is corrected
A. The mast is rigged slightly to the left
7282. What is true altitude? A. The vertical distance of the aircraft above sea level B. The vertical distance of the aircraft above the surface C. The height above the standard datum plate
A. The vertical distance of the aircraft above sea level
6615 - 1. What changes take place regarding lifting force and load factor produced by the rotor system when gyroplane goes from straight and level flight into a 45° banked turn while maintaining constant altitude? A. Total lift must increase; load factor will increase B. Total lift must increase; load factor will remain constant C. Total lift will remain constant; load factor will increase
A. Total lift must increase; load factor will increase
6556.(Refer to figure 19) the lift/drag at 2° angle of attack is approximately the same as the lift/drag four A. 9.75° angle of attack B. 10.5° angle of attack C. 16.5° angle of attack
C. 16.5° angle of attack
6607 - 3.(Refer to figure 37A). The area of a rotor blade area contributing most during an autorotation is A. 70 - 100% area, known as the stall region B. 0 - 25% area, known as the driven region C. 25 - 70% area, known as the driving region
C. 25 - 70% area, known as the driving region
6601 - 1. Rotor blade flapping action is A. An undesirable reaction to changes in airspeed and blade angle of attack B. An aerodynamic reaction to high-speed flight and cannot be controlled by the pilots C. A design feature permitting continual changes in the rotor blade angle of attack, compensating for dissymmetry of lift
C. A design feature permitting continual changes in the rotor blade angle of attack, compensating for dissymmetry of lift
7093 - 1. Which statement is true concerning a gyroplane? A. Rotor rpm remain constant during changes in airspeed while descending B. A gyroplane is capable of getting into settling with power situation much the same way as a helicopter C. A gyroplane can safely descend vertically or move backward with respect to ground references during a descent if altitude permits
C. A gyroplane can safely descend vertically or move backward with respect to ground references during a descent if altitude permits
6520. Which statement relates to Beroulli's principle? A. For every action there's an equal and opposite reaction B. An additional upward forces generated as the lower surface of the wing deflects air downward C. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface
C. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface
7289. The pitot system provides impact pressure for which instrument? A. Altimeter B. Vertical speed indicator C. Airspeed indicator
C. Airspeed indicator
6670. In the northern hemisphere, and magnetic compass will normally indicate a turn towards the north if A. A left turn is entered from a West heading B. An aircraft is decelerated while on a East or West heading C. An aircraft is accelerated while on the east or west heading
C. An aircraft is accelerated while on the east or west heading
6671. In the northern hemisphere, if an aircraft is accelerated are decelerated, the magnetic compass will normally indicate A. A turn momentarily, with changes in airspeed on any heading B. A turn toward the south of celebrating on a West heading C. Correctly when on a North or South heading while either accelerating or decelerating
C. Correctly when on a North or South heading while either accelerating or decelerating
6827 - 2. How does a negative G maneuver affect a Gyro planes rotor rpm? A. Increases rapidly B. Remains the same C. Decreases rapidly
C. Decreases rapidly
6533. The angle of attack of a wing directly controls the A. Angle of incidence of the wing B. Amount of airflow above and below the wing C. Distribution of positive and negative pressure acting on the wing
C. Distribution of positive and negative pressure acting on the wing
6621 - 2. When is rotor downwash most prevalent in certain Gyro plans? A. During all surface movement B. Immediately prior to touchdown after a steep approach C. During a vertical takeoff when rotor blades are in a propeller state
C. During a vertical takeoff when rotor blades are in a propeller state
6524. As air speed increases and level flight, total drag of an aircraft becomes greater than the total drag produced at the maximum lift/drag speed because of A. Increase in induced drag B. Decrease in induced drag C. Increase in parasite drag
C. Increase in parasite drag
6560. (Refer to figure 20 ) and in airspeed represented by point B, in steady flight, the pilot can expect to obtain the aircraft A. Maximum coefficient of lift B. Minimum coefficient of lift C. Maximum glide range in still air
C. Maximum glide range in still air
6516. A line drawn from the leading edge to the trailing edge of airfoil and equal distance at all points from the upper and lower contours is called the A. Chord line B. Camber line C. Mean camber line
C. Mean camber line
6562. The most desirable type of stability for an aircraft to possess is A. Neutral static stability B. Positive static stability C. Positive dynamic stability
C. Positive dynamic stability
6514. The angle between the cord line of the wing and the longitudinal axis of the aircraft is known as A. Dihedral B. The angle of attack C. The angle of incidence
C. The angle of incidence
6517. The force which imparts a change in the velocity of a mass is called A. Work B. Power C. Thrust
C. Thrust