11.5.2 Specific Flashcards

1
Q

What 3 communication systems can modern aircraft be divided into?

A

. Aircraft communications
. Radio communications
. Accident investigations

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2
Q

What is the purpose of static discharge?

A

Continuously discharge static electricity to prevent build up of high voltages on fuselage

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3
Q

How many VHF and HF systems does the aircraft have?

A

3 VHF
2 HF

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4
Q

What does the flight interphone system do?

A

Communicates between the cockpit and crew members

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5
Q

What is purpose of passenger address system?

A

Gives information to passengers

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6
Q

What is the priority of the PA?

A

. Cockpit
. Cabin crew
. Pre recorded
. Boarding music

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7
Q

What does a high chime attention getter mean?

A

Sounds when a passenger calls the cabin crew

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8
Q

What does a high- low chime attention getter mean?

A

When one crew wants another crew

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9
Q

What does a low chime attention getter mean?

A

Fasten seat belts and no smoking signs

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10
Q

What does CVR stand for and why do we have one?

A

Cockpit voice recorder
Helps in accident investigations

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11
Q

What are the two different voice recorders?

A

. Analogue tape recorder
. Digital solid state recorder

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12
Q

How many separate in our channels does the CVR have?

A

4

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13
Q

What is the VHF communication system used for?

A

For short distance voice and data communication with ground station or other aircraft’s

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14
Q

What’s the HF communication system used to?

A

Long distance communication

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15
Q

What’s the VHF frequency?

A

118 to 136.975mHZ

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16
Q

What do modern aircraft rely on for long distance communications?

A

SATCOM system

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17
Q

How many independent HF systems are on a long range aircraft?

A

2

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18
Q

What are the 3 components of a HF system?

A

. Transceiver
. Antenna
. Antenna coupler

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19
Q

Where is the transceiver located?

A

In avionics compartment

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20
Q

Where is the antenna located?

A

In the leading edge of vertical stabiliser

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21
Q

Where is the antenna couple installed?

A

Near the antenna

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22
Q

What does ACARS do?

A

Data link communication system
Transfers messages and data between aircraft and ground

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23
Q

Who starts manual reports?

A

Pilots, airline ground staff and ATC

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24
Q

What does SATCOM provide?

A

Reliable worldwide digital data transfer

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25
Q

What is SATCOMS 3 main components?

A

. Satelliates
. Aircraft earth stations
. Ground earth stations

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26
Q

Why are emergency locator transmitters installed?

A

To help search and rescue find a crashed aircraft

27
Q

What 3 international emergency frequency’s are there? And which one is main?

A

. 12.1.5mHZ - main
. 243mHZ
. 406mHZ

28
Q

What 3 systems does a radio nav system have?

A

. ADF
. VOR
. ILS

29
Q

What is the function of ADF system?

A

Uses radio signals from ground stations to calculate the direction to the station

30
Q

How does VOR work?

A

The VOR receiver calculates the magnetic bearing from two signals transmitted by a ground station

31
Q

The VOR ground station transmits how many signals?

A

2

32
Q

What does ADF stand for?

A

Automatic direction finder

33
Q

VOR outputs are provided to what?

A

. Auto pilot
. Flight director
. FMS - flight mangment systems

34
Q

What does the glide slope ground station do?

A

Transmits 2 lobes to give a descent path to the touchdown point on runway

35
Q

What is purpose of ILS?

A

Provides lateral and vertical position data to line the aircraft up on approach to runway

36
Q

For CAT 1 what are the requirements?

A

800m of runway visibility at 200m of height

37
Q

What are the requirements for CAT 2?

A

400m of runways visibility of height of 100m

38
Q

What are the requirements for cat 3?

A

Less than 200m of visibility at height below 100m

39
Q

At what feet does the radio altimeter work at?

A

Below 2500ft

40
Q

What is function of radio altimeter?

A

Measure the vertical distance between the aircraft and ground

41
Q

What is purpose of ground proximity warning system GOWSP?

A

Warn flight crew when aircraft is too close too ground
Auto set to less than 2500ft

42
Q

How does DME system measure the distance to the ground station?

A

Transmits a signal to the ground station called interrogation and by counting the time it takes to revive and reply signal

43
Q

What does the weather radar presents?

A

A map type display of weather conditions in front of aircraft
180 degree sweep

44
Q

What are the three identification codes?

A

7500
7600
7700

45
Q

What is the ident code for emergency?

A

7700

46
Q

What is ident code for hijacking?

A

7500

47
Q

What is ident code for radio faliure?

A

7600

48
Q

What does TCAS stand for?

A

Traffic alert and collision avoidance system

49
Q

What is the purpose of TCAS?

A

Protects the airspace around TCAS equipped aircraft’s

50
Q

What are the 2 TCAS alerts?

A

. Traffic advisor (traffic traffic)
. Resolution advisory - corrective and preventative actions

51
Q

What do Gyros measure?

A

The rotation around the 3 axes: pitch roll and heading(yaw)

52
Q

What do accelerometers measure?

A

The movements along aircraft axes = x and y accelerations

53
Q

What is purpose of autopilot?

A

Reduces the pilots workload by controlling the flight automatically as well as landing in poor weather

54
Q

What system dampens the Dutch roll oscillations?

A

The yaw damper

55
Q

On older aircraft the autopilot controls are found on pedestal. Where is it found on modern aircraft?

A

On glare shield

56
Q

What is the important job of inner loop?

A

Controls the attitude of aircraft and is always active

57
Q

What does the outer loop do?

A

Controls aircraft automatically to capture and stabilise flight path

58
Q

What is purpose of servomotor?

A

Move the elevator directly or uses mechanical in out of hydraulic power unit

59
Q

What does the flight director do?

A

Shows the pilot how to fly the aircraft manually

60
Q

What is the function of auto throttle system?

A

Automatically control thrust if the engine to required value

61
Q

What is pitch trim system used for?

A

Maintain longitudinal stability without permanent elevator deflections

62
Q

What method is used to disconnect the auto throttle system?

A

Push auto throttle quick disconnect push button

63
Q

What does the auto pilot disengage warning consist of?

A

Red flashing light of PFD
sometimes an aural