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Aircraft On-Board Maintenance Systems

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FaultlessMarsh8570
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30 Questions

What is the primary function of the Central Maintenance Computer (CMC)?

To acquire and process data from BITE memories

What is the primary purpose of the Aircraft Communication Addressing and Reporting System (ACARS)?

To send maintenance information from the aircraft to the destination station

What is the purpose of the Multipurpose Control and Display Units (MCDUs)?

To control and display output messages from interrelated systems

What happens to fault data in Normal Mode?

It is memorized by system computers and CMCs

What is the function of a data loader in an aeroplane?

To install and update software in the avionics system

What is the purpose of integrating the CMC with ACARS?

To facilitate the exchange of maintenance information

What is the purpose of Menu Mode?

To allow the operator to obtain troubleshooting data and initiate self-tests via the MCDU

What is the typical connection point for a data loader?

Through a data bus coupler

When is Menu Mode available?

Only on the ground

What is the main purpose of the Central Maintenance System (CMS)?

To provide a centralised location for aircraft fault information

What is the advantage of using ACARS in aircraft maintenance?

Allows maintenance personnel to begin troubleshooting before the aircraft arrives

What type of data can be downloaded using a data loader?

Software updates and maintenance information

What is the primary function of the On-Board Maintenance System?

To assist maintenance personnel in fault-finding of complex avionics systems

What is the benefit of using the On-Board Maintenance System?

It minimises ground time, increases the efficiency of maintenance processes, and improves the cost effectiveness

What is the function of the Central Maintenance System (CMS)?

To enable the mechanic to extract maintenance data and initialise tests on aircraft systems

What are the main components of the Central Maintenance System (CMS)?

Central Maintenance Computers (CMC) and Multipurpose Control and Display Units (MCDU)

What is the On-Board Maintenance System (OMS) a common framework for?

Aircraft maintenance, engineering follow-up, and aircraft reconfiguration

What is the purpose of the Multipurpose Control and Display Units (MCDU)?

To display maintenance data and initialise tests on aircraft systems

What is the approximate number of paper pages of integrated text and graphics that an airliner typically comes with?

50 000

Which of the following is NOT a type of document used for operational requirements?

Maintenance manuals

What is another name for the paperless cockpit concept?

Electronic Flight Bag

What type of information is included in the maintenance log?

Illustrated parts list

Which of the following is a document used for cabin management?

Checklists

What is the term for the subdivision of the electronic library system that includes taxi diagrams and ops manual?

Operational requirements

What is the primary function of an Electronic Flight Bag (EFB)?

To perform a variety of tasks that previously required reference books, aeronautical charts, and mathematical calculations

Which of the following EFB systems require airworthiness approval before they can be used in an aircraft?

Class 2

What is the characteristic of a Class 1 EFB system?

It is not attached to a mounting device on the flight deck

What is a common feature of both Class 1 and Class 2 EFB systems?

They are connected to aircraft power through a certified power source

What is the term used to describe a Class 1 EFB system?

Portable Electronic Device (PED)

Which document defines the three EFB classes of hardware?

Both AC 120-76A and JAA Leaflet No. 36

Learn about the On-board Maintenance System (OMS) and its role in assisting maintenance personnel in fault-finding of complex avionics systems. Discover how OMS supports aircraft maintenance, engineering follow-up, and other essential activities. Test your knowledge of OMS and its applications in the aviation industry.

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