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AVIONICS - AVIATION AUSTRALIA > B2-5B DIGITAL TECHNIQUES II - CASA > Flashcards

B2-5B DIGITAL TECHNIQUES II - CASA Flashcards

1
Q

What is an EFIS?

A

Electronic Flight Instruments System

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2
Q

What is a ‘Glass Cockpit’?

A

Electronic Flight Instruments System (EFIS)

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3
Q

What does an EFIS consist of?

A

Primary Flight Display (PFD) and a Navigation Display (ND) (One each for the Pilot & Co-Pilot)

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4
Q

What is the acronym for Electronic Attitude Direction Indicator?

A

EADI

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5
Q

What does an Electronic Attitude Direction Indicator (EADI) indicate?

A

Heading (Direction) and Attitude (Later changed to primary flight display)

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6
Q

What is a PDF?

A

Primary Flight Display

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7
Q

What is in a Primary Flight Display (PFD)?

A

Compass, Attitude, Airspeed, Mach-meter, Vertical Speed Indicator, Auto Pilot, Flight Director, TCAS

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8
Q

What is the acronym for Electronic Horizontal Situation Indicator?

A

EHSI

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9
Q

What is an ADF?

A

Automatic Direction Finder

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10
Q

What is an ILS?

A

Instrument Landing System

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11
Q

What is a VOR?

A

VHF Omni Directional Radio Range (VOR) is a type of short-range radio navigation system for aircraft used for point to point navigation.

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12
Q

What information is on a Navigation Display (ND)?

A

ADF, ILS, Flight Plan Management, VOR

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13
Q

What does TCAS stand for?

A

Traffic Collision Avoidance System

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14
Q

What does ACAS stand for?

A

Airborne Collision Avoidance System

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15
Q

What does ACARS stand for?

A

Aircraft communication addressing and reporting system

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16
Q

What does EICAS stand for?

A

Engine Indicating and Crew Alert System (Airframe and Engine data)

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17
Q

What is an APU and what is it used for?

A

An “APU” (Auxiliary Power Unit) is a small turbine engine installed to provide supplementary power. APU bleed air is routed to pneumatic starters on the plane’s main engines.

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18
Q

List 5 Avionics Systems?

A

Flight controls, Landing gear, Electrical system, Bleed system, Hydraulics, Avionics System, Oxygen, Fuel, Power plant, Navigation, Communication, Ice protection (anti-icing and deicing), Cooling system, Instrumentation and recording, Fire protection safety system

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19
Q

What does ECAM stand for?

A

Electronic Centralised Aircraft Monitoring System

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20
Q

What is a BITE?

A

Built in Test Equipment

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21
Q

What does a BITE do?

A

Continually checks aircraft systems for faults.

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22
Q

What happens if the BITE finds an issue?

A

It will notify the flight crew and record the issue in the maintenance computer.

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23
Q

How do you do a BITE test manually?

A

Pressing the test switch on the MCP when the aircraft is on the ground with the parking break set.

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24
Q

What does MCP stand for?

A

Mode Control Panel

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25
Q

What is a raster display and how is it used?

A

A display made up of pixels mainly used for Mapping and Weather Radar.

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26
Q

What is the stroke data method?

A

A method of drawing on the screen with fluid lines.

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27
Q

Types of electronic display devices on aircraft?

A

LCD, LED and CRT’s

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28
Q

What do symbol generators do?

A

Provide the analog, discrete and digital signal interfaces between aircraft systems and the display units. They also preform the main functions of power control, symbol generation and system monitoring.

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29
Q

What are symbol generators connected to and where do they receive there data from?

A

Connected to a data bus and receive digitalised data from the display computer.

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30
Q

Generally how many symbol generators are on an aircraft?

A

Two. One for the Captain and the other for this Co-pilot. Some systems have a 3rd one as backup.

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31
Q

What does FWC mean?

A

Flight Warning Computer

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32
Q

What is on the Main EICAS display?

A

Primary engine indications, crew alert messages, flaps, and landing gear status, fuel quantity and environmental control system information.

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33
Q

What is on the Secondary (auxiliary) EICAS display?

A

Normal flight should be blank. Otherwise it shows secondary engine parameters, secondary partial, status page, synopsis and maintenance pages.

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34
Q

What is Boeing’s monitoring system?

A

EICAS

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35
Q

What is Airbus’s monitoring system?

A

ECAM

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36
Q

What are some software systems used in Aircraft? (not in regards to navigation)

A

Engine control systems, bleed air control systems,power generation and control systems, fire protection and aircraft instrument displays.

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37
Q

Why is navigational software continuously updated?

A

Because of way point position changes, ATC changes, and flight route changes.

38
Q

What is a software level?

A

The potential of the software to cause safety related failures.

39
Q

What is a Level A certification?

A

Failure that would cause or contribute to a catastrophic failure of the aircraft.

40
Q

What is a Level B certification?

A

Failure that would cause or contribute to a hazardous/ severe failure of the aircraft.

41
Q

What is a Level C certification?

A

Failure that would cause or contribute to a major failure of the aircraft.

42
Q

What is a Level D certification?

A

Failure that would cause or contribute to a minor failure of the aircraft.

43
Q

What is a Level E certification?

A

Failure that would have no effect on aircraft or pilot workload.

44
Q

List 2 main software types?

A

Field Loadable Software (FLS) and Preloaded Software

45
Q

What is Field Loadable Software?

A

Software that can be loaded on and aircraft by maintenance without removing the system or equipment from its installation.

46
Q

Characteristics of Field Loadable Software (FLS)?

A

Unique part number, it may be an aircraft part, part number is verifiable on the aircraft by accessing hardware memory, does not change the target hardware part, Can be uploaded regardless of current software state and will not prevent a previous version from overwriting it.

47
Q

What is Preloaded Software?

A

Cannot be changed without physical removal of the system or components.

48
Q

What are some reasons for preloaded software?

A

Component is in an inaccessible area or in a high level of contamination, intellectual property of company or component does not have routine updates.

49
Q

What is LSAP and is it considered an aircraft part?

A

Loadable Software Aircraft Part and yes it requires release documentation.

50
Q

What is Non-LSAP or ADB? Also list software that is applicable.

A

Non-Loadable Software Aircraft Part or Aeronautical Database. Not a certified part of the aircraft as it requires routine updating of navigation, flight planing and terrain changes.

51
Q

What is a Model/Engine Database (MEDB)?

A

Is a LSAP database that monitors performance of the aircraft i.e drag factor, fuel flow, minimum cruse time

52
Q

What is replaced every 28 days?

A

Navigational Database

53
Q

What is OMS and what does it consist of?

A

Operator Modifiable Software. Consists of User Modifiable Software (UMS) and User Certifiable Software (UCS).

54
Q

Why do airplanes have operator modifiable software (OMS)?

A

To suit operational procedures, existing operational infrastructure or local conditions.

55
Q

Does user modifiable software (UMS) require review from CASA, airline manufacturer or equipment manufacturer?

A

No

56
Q

Which systems are designed for user modifiable perimeters?

A

ACARS, ACMS, SATCOM, IFE

57
Q

What is SATCOM?

A

Satellite Communications

58
Q

What is IFE

A

In flight Entertainment

59
Q

What is ACMS?

A

Aircraft Condition Monitoring System

60
Q

What is user certifiable software (UCS)?

A

Software changes that needs to approved in accordance with guidelines.

61
Q

What is a LRU?

A

Line Replacement Unit - Designed for parts that can be swapped while the aircraft is between flights.

62
Q

What is operational program software (OPS) for?

A

Program instructions for a line replacement unit. Has its own unique software part number.

63
Q

What is an operation program configuration (OPC) for?

A

Determines the function of the line replacement unit (LRU) has a special purpose database that disables and enables operational functions of the OPS. (Operational Program Software)

64
Q

What is an aircraft configuration list (ACL)?

A

A list of modules that use loadable software aircraft parts (LSAP).

65
Q

What are the various forms of media used for installation of software?

A

Floppy disks, CD-ROMS, Memory Cards, Tapes and the Internet.

66
Q

What is target hardware?

A

Identifies the hardware or modules for the purpose of loading new FLS (Field Loadable Software) or LSAP (Loadable Software Aircraft Parts)

67
Q

What are some target hardware that require FLS?

A

Enhanced Ground Proximity Warning System (EGPWS), Flight Control Computer (FCC), Flight Management Computer (FMC)

68
Q

What are some target hardware that require LSAP?

A

Display Electronics Unit (DEU), Flight Management Computer (FMC), Flight Control Computer (FCC), Digital Flight Data Acquisition Unit (DFDAU), Digital Flight Data Acquisition Management Unit (DFDAMU), APU, ECU, Electronic Engine Control (EEC).

69
Q

What are data loaders referred as?

A

Airborne Data Loader (ADL), Portable Data Loader (PDL), Portable Maintenance Access Terminal (PMAT)

70
Q

Where should copies of FLS loading and certification be kept?

A

On the aircraft and operators maintenance records.

71
Q

What is electronic distribution of software (EDS)?

A

FLS is moved from the supplier to a remote operator without the use of physical media.

72
Q

What is the ‘Basic T’?

A

Airspeed, Artificial Horizon, Altimeter and Directional Gyro in analog aircraft.

73
Q

What are the three essential elements to a electromagnetic compatibility (EMC) problem?

A

Source of electromagnetic phenomenon, a receptor or target that is malfunctioning and a path that allows the source to interfere.

74
Q

How are electromagnetic problems solved?

A

By identifying two of the three elements and eliminating one of them.

75
Q

Define potential receptor, and name a few.

A

Potential receptor is anything that utilizes or can detect electromagnetic energy. List includes; people, radio receivers, electronic circuits.

76
Q

What are the 4 methods of coupling?

A

Conducted (electric current), inductively (magnetic field), capacitively (electric field) and radiated (electromagnetic field)

77
Q

Why can it be hard to identify or repair electromagnetic problems in regards to coupling?

A

Because there usually are many coupling types used so when you fix one you may create another.

78
Q

What is EMI?

A

Electromagnetic Interference

79
Q

What is the direct and indirect effects of lightning?

A

Structural damage is a direct effect. Indirect effects are that the lighting can induce transients that may damage or disrupt electrical equipment.

80
Q

Why are RF emitters banned on planes?

A

Because they interfere with avionic systems.

81
Q

Why is the use of personal electronic devices (PED) monitored on flights?

A

Because they can emit signals in 1MHz range and the aircraft are not designed to protect against EMI internally.

82
Q

What are high intensity radiated field (HIRF) emissions?

A

Emissions from various radar, radio radio, microwave, television and transmitters.

83
Q

How do you resolve radiated EMI?

A

Remove or Reduce the source, Harden the target and separate the target.

84
Q

Five types of EMI?

A

Radio Frequency Interference (RFI), Cross Talk, High Voltage Transients, Proximity of Magnetic field components and Shared Grounding (when there is a noisy component)

85
Q

What is used to limit the amount of EMI in cables?

A

Shielding

86
Q

Name three types of shielding?

A

Braided, Foil and Multi

87
Q

What shielding is most useful against EMI?

A

Braided Shielding

88
Q

What shielding is most useful against RFI?

A

Foil Shielding

89
Q

What is the name for the self contained diagnostics tool?

A

BITE - Built In Test Equipment

90
Q

In a Boeing aircraft what is the system called that monitors BITE?

A

CMCS - Central Maintenance Computer System

AVIONICS - AVIATION AUSTRALIA (1 decks)

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