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PPL - AGK > Flight Instruments > Flashcards

Flight Instruments Flashcards

1
Q

What are glass cockpits generically known as

A

EFIS
Electronic Flight Information System

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2
Q

In a standard “T” cockpit layout, from top left, what are the instruments in order

A
  1. ASI - Air Speed Indicator
  2. Attitude Indicator
  3. Altimeter
  4. DI - Direction Indicator
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3
Q

What is the cockpit compass aligned to

A

MAGNETIC NORTH

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4
Q

What is the name given when the compass is calibrated to cater for aircraft magnetic influence/interference

A

COMPASS SWING

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5
Q

What is the name of the panel that placards remaining minor compass errors

A

COMPASS DEVIATION CARD

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6
Q

What is it known as when the compass tries to follow the earths magnetic field when banked

A

COMPASS DIP ERROR

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7
Q

What does UNOS stand for

A

Undershoot North Overshoot South

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8
Q

What action should be taken to “Undershoot North”

A

Roll out BEFORE compass indicates North

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9
Q

What action should be taken to “Overshoot South”

A

Roll out AFTER compass indicates South

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10
Q

On an Easterly heading

If aircraft accelerates, the compass ring will swing in which direction
What turn is indicated

A
  1. TOWARDS PILOT
  2. NORTHERNLY
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11
Q

On an Easterly heading

If aircraft decelerates, the compass ring will swing in which direction
What turn is indicated

A
  1. AWAY FROM PILOT
  2. SOUTHERNLY
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12
Q

What does ANDS stand for

A

Accelerate North Decelerate South

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13
Q

What are 2 methods of a gyroscopic intrument getting their power

A
  1. Suction
  2. Electrical
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14
Q

What 3 things is rigidity of a gyroscope dependant on

A
  1. Rotational Speed
  2. Mass of gyro
  3. Radius of mass from centre
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15
Q

What is the name where a force applied to a gyroscope resultant force is offset by 90॰

A

GRYOSCOPIC PRECESSION

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16
Q

What does a red flag indicate in a gyro instrument

A

NOT RUNNING

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17
Q

What power source does the turn co-ordinator gyro use

A

ELECTRICAL

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18
Q

What power source do the AI and DI (attitude and direction indicators) gyro’s use

A

SUCTION

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19
Q

A key disadvantage of a venturi tube suction powered gyro

A

Gyros take several minutes to reach operating speed

Suction from venturi only produced after aircraft reaches a certain airspeed

20
Q

What are 2 symptoms of a gyro failure

A
  1. Toppling effect
  2. Sluggish response
21
Q

What type of gyro specifically is the AI (attitude indicator)

A

EARTH GYRO

22
Q

How does an Earth Gyro (specifically an AI) rotate around the horizontal and vertical

A

Rotates in the HORIZONTAL PLANE about the VERTICAL AXIS

23
Q

How does the Direction Indicator (DI) rotate around the horizontal and vertical

A

Rotates in the VERTICAL PLANE about the HORIZONTAL AXIS

24
Q

What angle will the DI gyro topple;
1. Pitch more than
2. Bank angle more than

A
  1. 55॰
  2. 90॰
25
Q

What causes the DI gyro to wander

A

IMPERFECTIONS
Friction

26
Q

At the poles, after 6 hours, how much will the DI drift by

A

90॰

27
Q

The amount of precission of a gyro caused by the earths rotation is dependant on what

A

LATTITUDE

Lattitude at which the gyro is rotating

28
Q

How does the Turn Indicator rotate around the horizontal and vertical

A

Rotates in the VERTICAL PLANE about the HORIZONTAL AXIS

29
Q

In a standard rate 1 turn, how much will the heading have changed after 1 minute

A

180॰

30
Q

In a right hand banked turn, if the balance ball is to the right, is the aircraft SKIDDING or SLIPPING in the turn

A

SLIPPING

31
Q

In a right hand banked turn, if the balance ball is to the left, is the aircraft SKIDDING or SLIPPING in the turn

A

SKIDDING

32
Q

Which 3 instruments require static atmospheric pressure measurements

A
  1. Altimeter
  2. VSI
  3. ASI
33
Q

How is static atmospheric pressure measured within the Altimeter (what type of pressure measuring device)

A

ANEROID CAPSULE

34
Q

When flying from high pressure to low pressure, will the ATL OVER or UNDER read

A

OVER READ

35
Q

When flying from high temperature to low temperature, will the ALT OVER or UNDER read

A

OVER READ

36
Q

What does the VSI measure in order to indicate vertical speed

A

RATE OF CHANGE OF STATIC PRESSURE

37
Q

What device measures dynamic pressure

A

PITOT TUBE

38
Q

What is CAS

A

CALIBRATED AIR SPEED
Corrected for instrument and position error

39
Q

What is TAS

A

TRUE AIR SPEED
Physical airspeed calculated as a result of density error

40
Q

Name given for Altitude compensated for temperatures and pressure differences to ISA

A

DENSITY ALTITUDE

41
Q

Airspeed values and their sources of correction

  1. IAS
  2. CAS
  3. EAS
  4. TAS
A
  1. Position & instrument error
  2. Compressibility effect
  3. Density altitude
  4. Physical speed of aircraft
42
Q

What is an indicator on the altimeter that the static system has failed

A

SAME ALTITUDE INDICATED IN CLIMB OR DESCENT

43
Q

What is an indicator on the VSI that the static system has failed

A

Climb or descent will not be detected

44
Q

When the static system fails, on the ASI, will indicated airspeed INCREASE or DECREASE in each situation;
1. Climb
2. Descent

A
  1. DECREASE
  2. INCREASE

Actual speed is not changing, but since static pressure is not changing, a descent or climb means the same static pressure is always being referenced.

45
Q

When the static dynamic fails, on the ASI, will indicated airspeed INCREASE or DECREASE in each situation;
1. Climb
2. Descent

A
  1. INCREASE
  2. DECREASE

PPL - AGK (20 decks)

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