11.19, .20, .21 Flashcards

1
Q

What do IMA stand for and what does it replace

A

Integrated modular avionics

Several LRUS

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2
Q

What positives do IMA’s have

A

Reduced weight and size

Lower power consumption

Easier mods

Reduced reoccurring costs

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3
Q

What’s the bandwidth allocation gap

A

A mechanism that is used for controlling the amount of info a LRM or LRU can transmit

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4
Q

What’s the cyclic redundancy check

A

Checks for errors in data storage or transmission

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5
Q

How many LRM’s ans software functions are hosted in the CPIOMS

A

30 LRM

22 software functions

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6
Q

For extra reliability what’s the ADFX channels requires to be

A

Dual

Added info not in notes

So two sources of information so u know accurate results are coming through

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7
Q

What does the CCS do

A

Platform that allows computing, communication and I/O services

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8
Q

What are advantages of using RDC’s (remote data controllers)

A

Reduction in wiring

Reduce amount of devices connected to CDN

reduction in spare parts needed in inventory

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9
Q

How many RDC are there in the CCS

A

21

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10
Q

What are GPM’s designed to be

A

Fail passive

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11
Q

What’s important to remember about I/O modules

A

Fully interchangeable

I DIDNT KNOW HOW TO FUCKING WORD IT BUT IT WAS IN BOLD

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12
Q

What’s an advantage of the subsystems in IMA

A

They’re on a common platform so share resources such as memory and a processor

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13
Q

What does CPIOM B host application do

A

Air con applications

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14
Q

How’s the close world protected

A

Via a firewall and a open world diode

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15
Q

The OWD allows what direction of data travel?

A

From closed world to open world

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16
Q

What are the types of maintenance terminals

A

Onboards

Portable.

17
Q

What’s another term for ‘avionics world’

A

Closed world

18
Q

What is the network that passengers have access to

A

Open world

19
Q

What’s the purpose of a leaky line antenna

A

Provides Wi-Fi for passengers via a coax

20
Q

What does the cabin video monitoring system do

A

Records audio and video for security

21
Q

What communications does the service inter phone allow and when

A

Ground crew to flight deck when there’s weight on wheels

22
Q

When would the overhead monitors retract

A

Loss of power

Cabin depressurisation

Blockage on the motor track

23
Q

How are FAPS protected

A

Password

24
Q

What’s pa priority list

A

Flight deck
Cabin crew
Pre recorded messages
IFE

25
Q

What does DEU B concern

A

Cabin crew functions

26
Q

What does DEU A concern

A

Passenger functions

27
Q

How many directors are in the cabin Intercommunication data system

A

3

1 active
2 hot standby

28
Q

What does the flight attendant panel allow

A

All crew to control and monitor cabin and passenger functions