Unit 4: Maneuver Performance - Practice Quiz

1 Which two quantities are commonly used to describe an aircraft's turning performance?

2 For a given bank angle, what happens to turn radius when aircraft speed increases?

3 What is maintained constant during a steady level turn?

4 In a coordinated level turn, which force component balances the aircraft's weight?

5 What is the load factor in a coordinated level turn with bank angle ?

6 How is aircraft load factor defined?

7 What is the load factor during steady, straight, and level flight?

8 Which two factors commonly constrain the maximum usable load factor?

9 At a fixed speed, increasing load factor requires the wing to produce what?

10 Which expression gives the radius of a coordinated level turn?

11 At a fixed speed, how can a pilot reduce the radius of a coordinated level turn?

12 Which expression gives the turn rate in a coordinated level turn?

13 At a fixed bank angle, what happens to turn rate when aircraft speed increases?

14 During a pull-up maneuver, in which direction does the flight path curve?

15 Which equation relates load factor and radius at the bottom of a pull-up?

16 Which equation relates load factor and radius at the top of a pull-down?

17 What is the magnitude of angular turning rate for motion along a circular flight path?

18 For a pull-up with a very large positive load factor, which approximation is valid for turn radius?

19 What quantities are plotted on a standard - diagram?

20 What primarily limits the severity of pull-up and push-over maneuvers?

21 An aircraft performs a coordinated level turn at with a bank angle of . Using , what is its approximate turn radius?

22 A pilot increases the bank angle during a coordinated level turn while maintaining the same altitude and airspeed. Which change is required?

23 What load factor is experienced in a coordinated level turn with a bank angle of ?

24 An aircraft is required to sustain a load factor of in a coordinated level turn. What bank angle is needed?

25 At a given speed, an aircraft can aerodynamically generate a maximum load factor of , but its positive structural limit is . What is the maximum permissible load factor?

26 An aircraft flies at and is limited to a load factor of . What is its minimum level-turn radius at this speed? Use .

27 An aircraft turns at while sustaining a load factor of . What is its approximate maximum level-turn rate?

28 If load factor remains constant and stall is not encountered, how does reducing airspeed affect level-turn radius and turn rate?

29 During a pull-up from level flight, which force relation applies at the lowest point of the curved flight path?

30 An aircraft enters a pull-up at and sustains a load factor of . What is the instantaneous radius of curvature? Use .

31 An aircraft performs a pull-down maneuver at with a load factor of . What is the instantaneous radius of curvature? Use .

32 A pull-up is performed at with a load factor of . What is the instantaneous angular rate? Use .

33 For a very large load factor , which approximation correctly relates the radii of a level turn and a pull-up at the same speed?

34 Why do the angular rates of a level turn and a pull-up become nearly equal when the load factor is very large?

35 An aircraft has a stall speed of and a positive structural limit of . What is its positive maneuvering speed?

36 An aircraft has a positive stall speed of . What is the positive stall-boundary load factor at ?

37 Above the positive maneuvering speed but below the design dive speed, which boundary usually limits the maximum positive load factor on a maneuver V-n diagram?

38 A pilot commands a zero-load-factor push-over at . What is the approximate instantaneous radius? Use .

39 Which pair of limits is most directly relevant when determining the maximum severity of a push-over maneuver?

40 An aircraft has a stall speed of and a maximum load factor of . At the corner speed, what is its approximate minimum level-turn radius? Use .

41 An aircraft executes a coordinated level turn at with bank angle . Assuming , which pair gives the turn radius and turn rate?

42 In a coordinated level turn, the load factor is . What are the bank angle and the horizontal component of lift expressed as a multiple of weight?

43 An aircraft has a positive structural limit of and a one-g stall speed of in its current configuration. At , neglecting compressibility and thrust limitations, what is the maximum instantaneous load factor and corresponding level-turn bank angle?

44 An ideal aircraft is limited only by a one-g stall speed and a positive structural limit . What is its theoretical minimum level-turn radius?

45 For the aircraft with and , what is the theoretical maximum instantaneous level-turn rate?

46 An aircraft can momentarily reach its structural load limit at the corner speed, but its available thrust is insufficient to balance drag there. Which interpretation is correct?

47 At the bottom of a vertical-plane pull-up, an aircraft has and an instantaneous curvature radius of . What load factor is indicated, assuming lift acts toward the center of curvature?

48 An aircraft initiates a pull-down from horizontal flight at along a radius of . What are the instantaneous load factor and downward flight-path rotation rate?

49 At an ascending flight-path angle , an aircraft has and load factor , with lift normal to the path. What are the instantaneous upward path-rotation rate and curvature radius?

50 During a push-over from horizontal flight at , the aircraft is restricted to nonnegative lift. What is the smallest possible instantaneous downward radius and the associated rotation rate?

51 An aircraft permits a minimum load factor of . At , what limiting radius and downward rotation rate apply to a push-over initiated from horizontal flight?

52 For a level turn at , the exact radius is . If it is approximated by , what is the approximate percentage error?

53 In a high-load-factor, stall-limited level turn, use and . Which limiting expression results for the turn radius?

54 At a speed equal to , an aircraft has a positive structural limit of . According to the ideal maneuver - envelope, what is the maximum permissible positive load factor?

55 An aircraft has a one-g positive stall speed of and a positive limit load factor of . Neglecting other restrictions, at what speed does the positive stall boundary meet the structural boundary?

56 An aircraft has , , positive one-g stall speed , and structural limits of and . At , what aerodynamic load-factor range lies within the structural envelope?

57 Aircraft weight increases by , while configuration, atmospheric density, wing area, lift coefficients, and structural load-factor limits remain unchanged. How do the one-g stall speed and positive maneuver speed change?

58 A proposed coordinated level-turn state specifies a positive upright load factor . Why is this state impossible under the usual lift-normal-to-wing model?

59 For an ideal level-turn envelope constrained only by positive stall and a constant positive structural load limit, where do minimum radius and maximum instantaneous turn rate occur?

60 At the same horizontal-flight speed, an aircraft is limited to in a pull-up and in a push-over. What are the ratio of maximum path-rotation rates and the ratio of corresponding radii?