Wiring Diagrams Flashcards

1
Q

What does the -20 represent?

A

VHF or UHF communication systems

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2
Q

What is a Warning?

A

brings the users attention to items that can cause loss of aircraft, death, or serious injury

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3
Q

What is a Caution?

A

brings the users attention to items to avoid damage to the damage to the equipment or aircraft

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4
Q

What are Notes used for?

A

used to draw attention to any methods, materials or procedures that will make the task easier to perform

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5
Q

Wiring manuals contain what?

A

Diagrams, charts, lists, and all schematics to maintain the various electrical/electronic systems

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6
Q

What do Block Diagrams define?

A

Electrical circuits by separating a system or sub system into functional blocks

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7
Q

Block Diagrams are extremely useful in doing what?

A

gaining an initial understanding of a given system

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8
Q

Wiring diagrams are typically contain very specific details on what?

A

on wires, connectors, and pin numbers for a given system

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9
Q

What does the Equipment List contain?

A

information on various electrical components and references the appropriate schematic or diagram

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10
Q

What does the Hook-up List contain?

A

information on specific wire connections to plugs and receptacles, terminal blocks, splices, and ground points

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11
Q

What does the Master Wire List contain?

A

detailed information on wire size, types, and lengths

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12
Q

Charts are used to depict what?

A

components or wire locations in the aircraft or on a subsystem, such as pins or sockets of a connector plug

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13
Q

What does CF represent?

A

Insulation Type

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14
Q

The Procedures and practices used repeatedly during aircraft maintenance, troubleshooting, and repair are contained in the:

A

Standard Practices chapter of each manual

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15
Q

Typically, Standard Practices is located in what chapter?

A

ATA ch20

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16
Q

The wiring diagram manuals for AirBus aircraft are divided into what three categories?

A

Aircraft Schematic Manuals (ASM)
Aircraft Wiring Manuals (AWM)
Aircraft Wiring Lists (AWL)

17
Q

Which category contains simplified and moderately complex illustrations?

A

ASM

18
Q

Typically, what is the fastest way to find a given wiring diagram?

A

by using the Functional Item Number (FIN)

19
Q

What is the Functional Item Number (FIN)?

A

a unique number given to each LRU on modern airbus aircraft

20
Q

Any work performed on sensitive wires (including a simple disconnect/reconnect of a connector) typically requires what?

A

authorization of an inspector

21
Q

Sensitive wires are considered to be what?

A

critical to flight safety and must not be modified without specific manufacturer’s approval

22
Q

On the Airbus A320, an S at the end of the wire number designates what?

A

a sensitive wire

23
Q

What is the name for the imaginary horizontal reference plane?

A

The Waterline

24
Q

What is the name for the imaginary vertical reference plane?

A

The Datum

25
Q

What are Wing Stations (WS) used for?

A

to indicate locations longitudinally along the length of the wings
(root to tip)

26
Q

What is the Butt Line (BL)?

A

a vertical plane that divides the aircraft into a left and right half as viewed from the rear of the aircraft

27
Q

Fuselage stations are measured from the where?

A

The datum reference plane

28
Q

What is the Home Diagram of a component?

A

a diagram where the component is shown in full detail

*will show all the electrical connections and wires for that unit

29
Q

What is the Ramp Maintenance Manual (RMM)?

A

an abbreviated maintenance manual specifically for line maintenance and minor troubleshooting.

30
Q

What is the Aircraft Troubleshooting Manual (TSM)?

A

designed specifically for system
troubleshooting. This is an excellent place to start when troubleshooting systems

31
Q

What is the Fault Isolation Manual (FIM)?

A

a manual that contains various repair strategies for given faults in a flow chart format.

computer identifies faults using a code and that code is referenced here

32
Q

Which manual is typically used in conjunction with central maintenance computer systems for modern aircraft?

A

Fault Isolation Manual (FIM)