M11.5.1 Flashcards

1
Q

What is the job of the flight instruments?

A

To provide all data to perform a safe an economic flight

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2
Q

What instruments are in the basic T?

A
  • altimeter
  • airspeed indicator
  • artificial horizon
  • compass
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3
Q

What does the altimeter do?

A

Indicates the altitude of the aircraft above sea level

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4
Q

What two instruments use data from outside the aircraft?

A

Altimeter and airspeed indicator

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5
Q

What does ISA stand for?

A

International standard atmosphere

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6
Q

In a old altimeter what do he two pointers represent?

A

100ft and 1,000ft

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7
Q

How does an altimeter work?

A

It uses atmosphere pressure to give a reading

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8
Q

In the standard atmosphere the static pressure at sea level is what?

A

1013.25 hectopascals

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9
Q

What happens every 18,000ft?

A

The static pressure halves

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10
Q

What happens to pressure after an altitude increase of 30ft?

A

Decreases by 1hectopascal

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11
Q

What does the baro set knob do on the altimeter?

A

It changes the reference pressure

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12
Q

What is dynamic pressure?

A

Difference between total pressure and static pressure

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13
Q

How is dynamic pressure calculated?

A

V²x1/2density

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14
Q

What unit does the airspeed indicator use?

A

Knots

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15
Q

What does the green band indicate on the airspeed indicator?

A

Normal operating range

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16
Q

What does the white band indicate on the airspeed indicator?

A

Full flap operating range

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17
Q

What does the yellow band indicate on the airspeed indicator?

A

Caution range

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18
Q

What does the vertical speed indicator tell the pilot?

A

The rate of climb or descent (ft per min)

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19
Q

What does the mach meter display?

A

The mach number

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20
Q

What does EFIS stand for?

A

Electronic flight instrument system

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21
Q

What does SAT stand for?

A

Static air temperature

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22
Q

What does TAT stand for?

A

Total air temperature

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23
Q

Why is the TAT probe also named the rose mount probe?

A

After the manufacturer

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24
Q

What senses the temperature inside the temperature probe?

A

Thermistor

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25
Q

Why is there a static port on both sides of the aircraft?

A

Because side slip will give a false reading

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26
Q

What is the job of the baffle plate in the probe?

A

To prevent water or FOD entering

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27
Q

Why are the called pitot tubes?

A

After the french inventor

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28
Q

What does ADIRU stand for?

A

Air data inertial reference unit

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29
Q

When would the altitude alert system activate?

A

When the aircraft deviates more than 300ft

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30
Q

What are the two types of memory for modern flight recorders?

A
  • magnetic tape

- solid state memories

31
Q

How long does the flight recorders hold memory for?

A

25 flight hours

32
Q

Where and why is the flight recorder located?

A

In the tail section because it takes less damage in a crash

33
Q

Why is the flight recorder painted in bright colours?

A

So it can be easily seen

34
Q

What must the flight recorder be able to withstand?

A

1,000G and 1,000°C

35
Q

The flight recorder transmits audio signal to what strength?

A

40kHz

36
Q

When and how long do flight recorders transmit underwater?

A

Automatically when it hits the water and for 30 days

37
Q

What are the three types of gyros?

A
  • vertical gyro
  • directional gyro
  • rate gyro
38
Q

What is meant by gyro precession?

A

When a force acts on a gyro and it shifts 90°

39
Q

What is meant by degree of freedom?

A

The amount of axis a Gyro can spin around

40
Q

How many degrees of freedom does a gyro with two gimbals have?

A

3

41
Q

When does a gyro completely stop?

A

20 minutes after shutdown

42
Q

If you cannot wait to remove a gyro that has stopped, what must you do?

A

Remove it at high speeds

43
Q

Why cant you remove a gyro at medium speeds?

A

Because it may cause it to tumble

44
Q

What gyro does the artificial horizon use?

A

A vertical gyro

45
Q

What is meant by true north?

A

Geographic North Pole

46
Q

What is meant by magnetic north?

A

The magnetic North Pole

47
Q

What is the angle between true north and magnetic north called?

A

The variation

48
Q

What is the lubber line?

A

The line that shows your heading on a compass

49
Q

What is meant by compass north?

A

When the compass changes magnetic north to a new location due to being affected by magnetic fields

50
Q

What is meant by deviation on a compass?

A

The difference between magnetic north and compass north

51
Q

What are small adjustable magnets inside a compass used for?

A

To compensate for deviation

52
Q

What is it called when small adjustable magnets are used inside of the compass?

A

Compass compensation

53
Q

What does a flux valve do?

A

It transfers the magnetic field into electrical signal

54
Q

Where are the flux valve located?

A

Far away from the aircraft magnetic field (wing tips or fin)

55
Q

What does ECAM stand for?

A

Electronic centralised aircraft monitoring

56
Q

What does EICAS stand for?

A

Engine indication and crew alerting system

57
Q

Where would you find the EFIS?

A

The two screens in front of the pilots

58
Q

Where would you find the ECAM/EICAS?

A

On the centre instrument panel

59
Q

To improve reliability what should you do to the EFIS?

A

Put the brightness to minimum or off

60
Q

What are the EFIS displayed split into?

A
  • primary flight display

- navigation display

61
Q

What is the layout of the basic T?

A

Airspeed - left
Artificial horizon - centre
Altitude - right
Heading - bottom

62
Q

In a modern PFD where is the mach number located and how is it expressed?

A

In the bottom left as a percentage

63
Q

How is dynamic pressure denoted?

A

Pq

64
Q

How is static pressure denoted?

A

Ps

65
Q

How is total pressure denoted?

A

Pt

66
Q

What are the two types of alerts from the central warning system?

A

Local warnings and central warnings

67
Q

How many central warning systems computers are onboard an airbus aircraft?

A

4

68
Q

Describe a master warning light?

A

Flashing red light with continuous aural warning

69
Q

Describe a master caution light?

A

Steady ambler light with a single aural Warning

70
Q

Where would you find the master warning and caution lights?

A

In front of the pilots

71
Q

What is fuel on board expressed in?

A

Kilograms

72
Q

What is used to measure fuel temperature?

A

A thermistor

73
Q

How many vibration sensors are normally found on an engine?

A

2