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Sheppard Air Study > Aerodynamics & Aircraft > Flashcards

Aerodynamics & Aircraft Flashcards

1
Q

While in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, which of the following variations in instrument indications should the pilot expect?

A

The altimeter will read higher than normal, airspeed greater than normal, and the VSI will momentarily show a climb

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2
Q

What should be the indication on the magnetic compass as you roll into a standard-rate turn to the right from an easterly heading in the Northern Hemisphere?

A

The compass will indicate the approximate correct magnetic heading in the roll into the turn is smooth

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3
Q

As you roll into a standard-rate right turn from a northerly heading in the Northern Hemisphere, the magnetic compass will:

A

Initially indicate a turn to the left

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4
Q

What should be the indication on the magnetic compass as you roll into a standard-rate turn to the left from a west heading in the Northern Hemisphere:

A

It will indicate the approximate correct magnetic heading if the roll into the turn is smooth

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5
Q

What should be the indication on the magnetic compass be as you roll into a standard-rate turn to the left from a north heading in the Northern Hemisphere?

A

The compass will initially indicate a turn to the right

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6
Q

What is the relationship between centrifugal force and the horizontal lift component in a coordinated turn?

A

Horizontal lift and centrifugal force are equal

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7
Q

During a skidding to the right, what is the relationship between the component of lift, centrifugal force, and load factor?

A

Centrifugal force is greater than horizontal lift and the load factor is increased

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8
Q

What causes an airplane to turn?

A

Horizontal lift component

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9
Q

Which instrument indicates the quality of a turn?

A

Ball of the turn coordinator

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10
Q

During a constant bank level turn, what effect would an increase in airspeed have on the rate and radius of turn?

A

Rate of turn would decrease, and radius of turn would increase

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11
Q

Conditions that determine the pitch attitude required to maintain level flight are

A
  • Airspeed
  • Air density
  • Wing Design
  • Angle of attack
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12
Q

Rate of turn can be increased and radius of turn decreased by:

A

Decreasing airspeed and increasing the bank

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13
Q

The primary reason the angle of attack must be increased, to maintain a constant altitude during a coordinated turn, is because the:

A

Vertical component of lift has decreased as the result of the bank

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14
Q

You begin a descent with your static ports iced over. What will be the indication on your VSI?

A

VSI will indicate zero regardless of actual descent rate

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15
Q

During flight, if the pitot tube becomes clogged with ice, which of the following instruments would be affected?

A

The airspeed indicator only

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16
Q

At an altitude of 6,500’ MSL, the current altimeter setting is 30.42” Hg. The pressure altitude would be approximately

A

6,000 feet

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17
Q

If the outside air temperature increases during a flight at constant power and at a constant indicated altitude, the true airspeed will:

A

Increase and true altitude will increase

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18
Q

What should be the indication on the magnetic compass as you roll into a standard-rate turn to the left from an east heading in the Northern Hemisphere?

A

The compass will indicate the approximate correct magnetic heading if the roll into the turn is smooth

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19
Q

What indications are displayed by the miniature a/c of a turn coordinator?

A

Rate of roll and rate of turn

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20
Q

During normal operation of a vacuum driven attitude indicator, what attitude indication should you see when rolling out from a 180° skidding turn to straight-and-level coordinated flight?

A

The miniature aircraft show a turn in the direction opposite the skid

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21
Q

Errors in both pitch and bank indication on an attitude indicator are usually at a maximum as the aircraft rolls out of a:

A

180° turn

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22
Q

If a 180° steep turn is made to the right and the aircraft is rolled out to straight-and-level flight by visual references, the attitude indicator:

A

may show a slight climb and turn

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23
Q

One characteristic that a properly functioning gyro depends upon for operation is the:

A

Resistance to deflection of the spinning wheel or disc

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24
Q

How should you preflight check the accuracy of you altimeter prior to an IFR flight?

A

Se the current altimeter setting and the indication should be with 75’ of the airport elevation

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25
Q

(Refer to figure 144.) What changes in control displacement should be made so that “2” would result in a coordinated standard-rate-turn?

A

Increase left rudder and increase rate of turn

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26
Q

(Refer to figure 144.) Which illustration indicates a coordinated turn?

A

3

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27
Q

(Refer to figure 144.) Which illustration indicates a skidding turn?

A

1

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28
Q

(Refer to figure 144.) What changes in control displacement should be made so that “1” would result in a coordinated standard-rate-turn?

A

Increase right rudder and increase rate of turn

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29
Q

(Refer to figure 144.) Which illustration indicates a slipping turn?

A

2

30
Q

When airspeed is decreased in a turn, what must be done to maintain level flight?

A

Decrease the angle of bank and/or increase the angle of attack

31
Q

When airspeed is increased in a turn, what must be done to maintain a constant altitude?

A

Increase angle of bank and/or decrease the pitch attitude

32
Q

The primary reason the pitch attitude must be increased, to maintain a constant altitude during a coordinated turn, is because the:

A

Vertical component of lift has decreased as the result of the bank

33
Q

When checking the sensitivity of a VOR receiver, the number of degrees in course change as the OBS is rotated to move the CDI from center to the last dot on either side should be between

A

10° and 12°

34
Q

If, while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, which of the following should the pilot expect?

A

The vertical speed to momentarily show a climb

35
Q

(Refer to figure 76.) Which indication would be an acceptable accuracy check of both VOR receivers when the aircraft is located on the VOR receiver checkpoint at the Helena Regional Airport?

A

C

36
Q

What is the maximum tolerance allowed for an operational VOR equipment check when using a VOT?

A

Plus or minus 4°

37
Q

When using VOT to make a VOR receiver check , the CDI should be centered and the OBS should indicate that the aircraft is on the

A

360° radial

38
Q

How should the pilot make a VOR receiver check when the aircraft is located on the designated checkpoint on the airport surface?

A

Set the OBS on the designated radial. The CDI must center within plus or minus 4° of that radial with a “FROM” indication

39
Q

When the CDI needle is centered during an airborne VOR check, the omni-bearing selector and the OBS indicator should read

A

Within 6° of the selected radial

40
Q

(Refer to figure 81.) When checking a dual VOR system by use of a VOT, which illustration indicates the VOR’s are satisfactory?

A

1

41
Q

While airborne, what is the maximum permissible variation between the two indicated bearing when checking one VOR system against the other?

A

4° between the two indicated bearing to a VOR

42
Q

Where can the VOT frequency for a particular airport be found?

A

ONLY in the chart supplement

43
Q

When using a VOR test facility (VOT) to test a dual VOR system, which indication is acceptable?

A

176° TO & 003° FROM, respectively

44
Q

In which publication can the VOR receiver ground checkpoint(s) for a particular airport be found?

A

Chart supplement

45
Q

Which is the maximum tolerance for the VOR indication when the CDI is centered and the aircraft is directly over the airborne checkpoint?`

A

Plus or minus 6° of the designated radial

46
Q

What wind condition prolongs the hazards of wake turbulence on a landing runway for the longest period of time?

A

Light quartering tailwind

47
Q

Wake turbulence is near maximum behind a jet transport just after takeoff because:

A

of the high angle of attack and high gross weight

48
Q

What effect would a light crosswind of approximately 7 knots have on vortex behavior?

A

The upwind vortex would tend to remain over the runway

49
Q

When landing behind a large jet aircraft, at which point on the runway should you plan to land?

A

Beyond the jet’s touchdown point

50
Q

If both the ram air input and drain hold of the pitot system are blocked, what airspeed indication can be expected if large power changes are made?

A

Remain constant in level flight even during power changes

51
Q

While climbing out of icy conditions, the ram air input and drain hole of the pitot system are block. What reaction should you observe?

A

No change until an actual climb rate is established, the indicated airspeed will increase

52
Q

What indication should a pilot observe if an airspeed indicator ram air input and drain hole are blocked?

A

The airspeed indicator will react as an altimeter

53
Q

Under which conditions is hydroplaning most likely to occur?

A

During conditions of standing water, slush, high speed, and smooth runway texture

54
Q

What does the miniature aircraft of the turn coordinator display?

A

The indicator first show the rate of banking and once stabilized, the turn rate

55
Q

In a left turn, correct control coordination is indicated by

A

the ball of the turn coordinator in the center

56
Q

During normal flight with a vacuum driven attitude indicator, control pressures normally should not move the horizon bar more than

A

One half bar width with not more than an additional one half bar with for normal flight deviations

57
Q

Which system has malfunctioned if your heading indicator is not moving?

A

Vacuum system or electrical power

58
Q

(Refer to figure 149.) A system which transmits information to the instruments has malfunctioned. Which instruments can you use to determine which system has failed?

A

Magnetic compass and vacuum pressure gauge

59
Q

As you roll into a standard-rate-turn to the left from a southerly heading in the Northern Hemisphere, what should be the indication on the magnetic compass?

A

The compass will indicate a large trn to an easterly heading ahead of the aircraft’s heading

60
Q

The loss of an alternator or generator in an aircraft equipped with all electronic (often called ‘glass’) flight displays is considered to be:

A

An emergency

61
Q

If the Air Data Computer (ADC) is malfunctioning, which information becomes unreliable?

A

PFD airspeed, altitude & VSI become inreliable

62
Q

The instruments for pitch are:

A

Attitude indicator
ASI
VSI

63
Q

When landing on a wet, smooth runway your airplane begins to hydroplane. You should

A

Raise the nose to increase aerodynamic drag

64
Q

While flying over Chicago, you have a vacuum failure. You are flying heading 180° on your magnetic compass. ATC instructs you to turn right to 270°. The magnetic compass will

A

initially lead to the right

65
Q

If on a northerly heading of 350° you make a left turn to 230°, what indication should you observe on the magnetic compass?

A

The compass will show a small lag to the right

66
Q

(Refer to figure 144.) What type of turn is indicated in illustration 2

A

Half standard rate slipping

67
Q

Your gyroscope heading indicator has failed. ATC directs you to turn left heading 180° from your current heading of 270. As you begin to turn, you can expect the magnetic compass to

A

Indicate correctly when initiating the turn

68
Q

In an autopilot controlled system, what device actually moves the control surfaces?

A

Servo

69
Q

Your altimeter is set to 30.47. You are currently flying at 6,500’ MSL, and the current reported altimeter setting is 29.87”Hg. What is your actual altitude?

A

Lower than indicated

70
Q

If on a northerly heading of 350° you make a left turn to 280°, what indication should you observe on the magnetic compass?

A

The magnetic compass will indicate a turn at a slower rate than actual

71
Q

You are flying heading 170°, and ATC instructs you to turn right to 260°. The magnetic compass will:

A

Indicate a turn to the right at a faster rate

72
Q

Your altimeter is set to 30.42”Hg. The correct altimeter setting at your current altitude of 6,500’ MSL is 29.82. You are:

A

below the indicated altitude

Sheppard Air Study (3 decks)

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