Aircraft On-Board Maintenance Systems

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

To display only warning messages
To acquire and process data from BITE memories (correct)
To provide real-time navigation data
To control the engine thrust

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

To monitor and report aircraft performance in real-time
To provide navigation data to the Flight Management System (FMS)
To facilitate communication between aircraft and air traffic control
To send maintenance information from the aircraft to the destination station (correct)

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

To monitor fuel levels
To initiate self-tests for the engine
To control and display output messages from interrelated systems (correct)
To display only failure information

What happens to fault data in Normal Mode?

It is memorized by system computers and CMCs (A) Signup and view all the answers

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

To install and update software in the avionics system (A) Signup and view all the answers

What is the purpose of integrating the CMC with ACARS?

To facilitate the exchange of maintenance information (C) Signup and view all the answers

What is the purpose of Menu Mode?

To allow the operator to obtain troubleshooting data and initiate self-tests via the MCDU (B) Signup and view all the answers

What is the typical connection point for a data loader?

Through a data bus coupler (C) Signup and view all the answers

When is Menu Mode available?

Only on the ground (B) Signup and view all the answers

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

To provide a centralised location for aircraft fault information (C) Signup and view all the answers

What is the advantage of using ACARS in aircraft maintenance?

Allows maintenance personnel to begin troubleshooting before the aircraft arrives (C) Signup and view all the answers

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

Software updates and maintenance information (C) Signup and view all the answers

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

To assist maintenance personnel in fault-finding of complex avionics systems (A) Signup and view all the answers

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 (C) Signup and view all the answers

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

To enable the mechanic to extract maintenance data and initialise tests on aircraft systems (C) Signup and view all the answers

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

Central Maintenance Computers (CMC) and Multipurpose Control and Display Units (MCDU) (D) Signup and view all the answers

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

Aircraft maintenance, engineering follow-up, and aircraft reconfiguration (C) Signup and view all the answers

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

To display maintenance data and initialise tests on aircraft systems (D) Signup and view all the answers

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

50 000 (B) Signup and view all the answers

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

Maintenance manuals (D) Signup and view all the answers

What is another name for the paperless cockpit concept?

Electronic Flight Bag (B) Signup and view all the answers

What type of information is included in the maintenance log?

Illustrated parts list (A) Signup and view all the answers

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

Checklists (D) Signup and view all the answers

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

Operational requirements (D) Signup and view all the answers

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 (C) Signup and view all the answers

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

Class 2 (C) Signup and view all the answers

What is the characteristic of a Class 1 EFB system?

It is not attached to a mounting device on the flight deck (D) Signup and view all the answers

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 (A) Signup and view all the answers

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

Portable Electronic Device (PED) (B) Signup and view all the answers

Which document defines the three EFB classes of hardware?

Both AC 120-76A and JAA Leaflet No. 36 (D) Signup and view all the answers