Term
| The three axes of an aircraft intersect at the |
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Definition
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Term
| (Refer to figure 1 below) The acute angle A is the angle of |
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Definition
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Term
| The angle between the chord line of an airfoil and the relative wind is known as the angle of |
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Definition
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Term
| The purpose of aircraft wing dihedral angle is to |
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Definition
| The purpose of dihedral is to improve lateral stability. |
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Term
| Which statement relates to Bernoulli's principle? |
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Definition
| Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface. |
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Term
| The resistance, or skin friction, due to the viscosity of the air as it passes along the surface of a wing is called |
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Definition
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Term
| The use of a slot in the leading edge of the wing enables an airplane to land at a slower speed because it |
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Definition
| it changes the camber of the wing |
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Term
| The term 'angle of attack' is defined as the angle |
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Definition
| between the airfoil chord line and the relative wind |
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Term
| Which statement relates to Bernoulli's principle? |
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Definition
| Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface. |
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Term
| During an approach to a stall, an increased load factor will cause the airplane to |
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Definition
| Stall at a higher airspeed |
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Term
| (Refer to figure 68 below) The horizontal dashed line from point C to point E represents the |
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Definition
| B) positive limit load factorFigure 68 is a VG diagram. The line C to E represents the maximum load factor for the airplane. Flight beyond this may cause structural damage. |
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Term
| Which is the best technique for minimizing the wing-load factor when flying in severe turbulence? |
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Definition
Set power and trim to obtain an airspeed at or below maneuvering speed, maintain wings level, and accept
variations of airspeed and altitude |
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Term
| Which is the best technique for minimizing the wing-load factor when flying in severe turbulence? |
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Definition
| Setpowerandtrimtoobtainanairspeedatorbelowmaneuveringspeed,maintainwingslevel,andaccept variations of airspeed and altitude. |
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Term
| (Refer to figure 19 below) At which angle of attack does the airplane travel the maximum horizontal distance per foot of altitude lost? |
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Definition
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Term
| In what flight condition is torque effect the greatest in a single-engine airplane? |
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Definition
| Low airspeed, high power, high angle of attack |
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Term
| An airplane has a normal stalling speed of 60 knots but is forced into an accelerated stall at twice that speed. What maximum load factor will result from this maneuver? |
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Definition
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Term
| An airplane has a normal stalling speed of 60 knots but is forced into an accelerated stall at twice that speed. What maximum load factor will result from this maneuver? |
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Definition
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Term
| (Refer to figure 25 below) What would be the indicated stall speed in a 60° banked turn with the gear and flaps up? |
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Definition
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Term
| When does P-factor cause the airplane to yaw to the left? |
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Definition
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Term
| Which basic flight maneuver increases the load factor on an airplane as compared to straight-and-level flight? |
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Definition
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Term
| (Refer to figure 18 below) A 70 percent increase in stalling speed would imply a bank angle of |
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Definition
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Term
| The angle of attack at which an airfoil stalls will |
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Definition
| remain the same regardless of gross weight. |
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Term
| As airspeed increases in level flight, total drag of an aircraft becomes greater than the total drag produced at the maximum lift/drag speed because of the |
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Definition
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Term
| (Refer to figure 2 below) If an airplane weighs 2,300 pounds, what approximate weight would the airplane structure be required to support during a 60° banked turn while maintaining altitude? |
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Definition
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Term
| (Refer to figure 2 below) If an airplane weighs 2,300 pounds, what approximate weight would the airplane structure be required to support during a 60° banked turn while maintaining altitude? |
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Definition
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Term
| (Refer to figure 20 below) At the airspeed represented by point A, in steady flight, the aircraft will |
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Definition
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Term
| The left turning tendency of an airplane caused by P-factor is the result of the |
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Definition
| propeller blade descending on the right, producing more thrust than the ascending blade on the left. |
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Term
| What determines the longitudinal stability of an airplane? |
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Definition
| The location of the CG with respect to the center of lift. |
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Term
| Baggage weighing 90 pounds is placed in a normal category airplane's baggage compartment which is placarded at 100 pounds. If this airplane is subjected to a positive load factor of 3.5 G's, the total load of the baggage would be |
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Definition
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Term
| (Refer to figure 18 below) What is the stall speed of an airplane under a load factor of 4 if the unaccelerated stall speed is 70 knots? |
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Definition
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Term
| What must a pilot be aware of as a result of ground effect? |
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Definition
| Induced drag decreases; therefore, any excess speed at the point of flare may cause considerable floating. |
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Term
| An aircraft wing is designed to produce lift resulting from |
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Definition
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Term
| What effect, if any, does high humidity have on aircraft performance? |
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Definition
| It decreases performance. |
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Term
| If severe turbulence is encountered, the aircraft's airspeed should be reduced to |
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Definition
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Term
| Maximum gliding distance of an aircraft is obtained when |
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Definition
| induced drag and parasite drag are equal. |
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Term
| The direct cause of every stall is excessive |
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Definition
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Term
| When are the four forces that act on an airplane in equilibrium? |
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Definition
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Term
| Propeller slip is the difference between the |
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Definition
| geometric pitch and the effective pitch of the propeller. |
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Term
| Changes in the center of pressure of a wing affect the aircraft's |
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Definition
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Term
| During the transition from straight-and-level flight to a climb, the angle of attack is increased and lift |
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Definition
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Term
| As a result of gyroscopic precession, it can be said that any |
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Definition
| yawing around the vertical axis results in a pitching moment. |
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Term
| If an increase in power tends to make the nose of an airplane rise, this is the result of the |
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Definition
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Term
| What force makes an airplane turn? |
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Definition
| The horizontal component of lift. |
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Term
| An airplane said to be inherently stable will |
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Definition
| require less effort to control. |
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Term
| Lift on a wing is most properly defined as the |
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Definition
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Term
| Which action will result in a stall? |
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Definition
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Term
| As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will |
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Definition
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Term
| The angle of attack at which an airplane wing stalls will |
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Definition
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Term
| What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight? |
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Definition
| Lift equals weight and thrust equals drag. |
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Term
| 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 |
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Definition
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Term
| If the aircraft's nose initially tends to return to its original position after the elevator control is pressed forward and released, the aircraft displays |
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Definition
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Term
| A propeller rotating clockwise, as seen from the rear, creates a spiraling slipstream that tends to rotate the aircraft to the |
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Definition
| left around the vertical axis, and to the right around the longitudinal axis. |
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Term
| What causes an airplane (except a T-tail) to pitch nose down when power is reduced and controls are not adjusted? |
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Definition
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Term
| The four forces acting on an airplane in flight are |
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Definition
| lift, weight, thrust, and drag. |
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Term
| An airplane said to be inherently stable will |
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Definition
|
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Term
| Why does increasing speed also increase lift? |
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Definition
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Term
| Load factor is the lift generated by the wings of an aircraft at any given time |
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Definition
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Term
| During a steady climb, the angle of climb depends on |
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Definition
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Term
| What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight? |
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Definition
| Lift equals weight and thrust equals drag. |
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Term
| As airspeed decreases in level flight below that speed for maximum lift/drag ratio, total drag of an airplane |
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Definition
| increases because of increased induced drag. |
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Term
| If the aircraft's nose remains in the new position after the elevator control is pressed forward and released, the aircraft displays |
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Definition
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Term
| The reason for variations in geometric pitch (twisting) along a propeller blade is that it |
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Definition
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Term
| The 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 |
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Definition
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Term
| An airplane would have a tendency to nose up and have an inherent tendency to enter a stalled condition when the center of pressure is |
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Definition
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Term
| The capability of an aircraft to respond to a pilot's inputs, especially with regard to flight path and attitude, is |
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Definition
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Term
| The need to slow an aircraft below VA is brought about by the following weather phenomenon: |
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Definition
| Turbulence which causes an increase in stall speed. |
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