11.21 Information Systems

Question 1

What is the purpose of information systems?

Answer 1

improve flight, cabin and maintenance operations and give services to passengers

Question 2

What does the information system contain? (Composed of 2)

Answer 2

• Network server system (NSS)

- air traffic control (ATC)

Question 3

What does the network server system host?

Answer 3

Onboard information system (OIS)

Question 4

How Are the information system structured? (2)

Answer 4

• avionic world

- open world

Question 5

What are avionic and open worlds?

Answer 5

• Avionic world = gathers aircraft systems in a secured environment
• open world =extension of the aircraft systems to the outside for airline operations and passenger needs

Question 6

How is the onboard information system (OIS) shared out? And what are they called? (3)

Answer 6

Into 3 domains

• avionic domain
• flight operation domain
• communication and cabin domain

Question 7

What does OIS stand for?

Answer 7

Onboard information system

Question 8

What does NSS stand for?

Answer 8

Network server system

Question 9

What does the avionic domain supply? (4)

Answer 9

• tools to support maintenance
• recording capability of a/c parameters
• electronic documentation related to flight, maintenance and cabin operations
• servicing tool

Question 10

What does flight operation domain supply? (5)

Answer 10

• Performance computation tools
• operation electronic documentation related to flight ops
• Tools to support navigation
• communication management services for data exchanged with aoc centres
• tools to support maintenance

Question 11

What does the communication and cabin domain supply? (3)

Answer 11

• pax services (email and internet)
• communication management
• Tools to support maintenance

Question 12

What is the avionic domain composed of? (4)

Answer 12

• 2 servers
• 2 redundant routers
• 1 secure interface router unit
• 2 secured communication interfaces

Question 13

What supplies aircraft parameters and avionic data from avionic world to the NSS and OIS?

Answer 13

Centralised data acquisition module (CDAM)

Question 14

What does the open world diode do?

Answer 14

Allows a unidirectional data flow from the avionic world

Question 15

Where is the avionic world accessible from?

Answer 15

Flight deck, cabin and other various points via HMI’s

Question 16

What is the flight operations domain composed of? (4)

Answer 16

• 1 server named “aircraft network server unit-airFraMeR” (ANSU-AFMR)
• 1 router named “aircraft router unit-AFMR” (ARU-AFMR)
• captain and first office laptop AFMR
• 1 back up laptop

Question 17

Where is flight operations accessible?

Answer 17

Cockpit through various interfaces

Question 18

What is the communication and cabin domain composed of?(3)

Answer 18

• cabin network server unit-passenger (CSNU-PAX)
• cabin router unit-communication (CRU-COM)
• 4 cabin wireless lan units (CWLU’s) and 4 related antennae

Question 19

What does the CRU-COM route data between? (5)

Answer 19

• Flight operations domain
• CSNU-PAX
• satcom system
• Optional Cabin video monitoring system
• optional in flight entertainment system

Question 20

What does HMI stand for?

Answer 20

Human machine interface

Question 21

What components does the HMI’s consist of?

Answer 21

2 OIT’s, 2 printers and 3 laptops

Question 22

What does OIT stand for?

Answer 22

Onboard information terminals

Question 23

What does OMT stand for?

Answer 23

Onboard maintenance terminal

Question 24

What does PMAT stand for?

Answer 24

Portable maintenance access terminal

Question 25

What is the difference of the access to the avionic, flight ops, and cabin and communication domains when using OMT’s and for what reason is this?

Answer 25

Different interfaces for security reasons