Aeroplane On-Board Maintenance Systems
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Questions and Answers

What is the primary function of the On-board Maintenance System (OMS)?

  • To assist maintenance personnel in fault-finding of complex avionics systems (correct)
  • To automate routine maintenance tasks
  • To monitor aircraft performance during flight
  • To reconfigure aircraft systems

    • What are the benefits of using the On-board Maintenance System (OMS)?

  • Reduced maintenance personnel, increased ground time, and improved safety
  • Improved safety, reduced maintenance personnel, and minimised ground time
  • Minimised ground time, increased efficiency of maintenance processes, and improved cost effectiveness (correct)
  • Increased maintenance personnel, reduced ground time, and improved safety

    • What is the component of the Central Maintenance System (CMS) that enables the mechanic to extract maintenance data?

  • Electronic Library System
  • Data Loading System
  • Multipurpose Control and Display Units (MCDU)
  • Central Maintenance Computers (CMC) (correct)

    • What is the purpose of the Electronic Library System in the On-board Maintenance System (OMS)?

    <p>To store maintenance data and manuals</p> Signup and view all the answers

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

    <p>To enable the mechanic to extract maintenance data concerning most of the aircraft systems</p> Signup and view all the answers

    What is the relationship between the On-board Maintenance System (OMS) and the Central Maintenance System (CMS)?

    <p>The CMS is a component of the OMS</p> Signup and view all the answers

    What is the consequence of a Class 2 failure for the current flight?

    <p>It has no operational consequence</p> Signup and view all the answers

    Where are the systems affected by a Class 2 failure identified?

    <p>ECAM STATUS page</p> Signup and view all the answers

    What type of system computer can memorise failures from the last 64 flights?

    <p>Type 1</p> Signup and view all the answers

    What is the primary function of a Type 1 system computer's ARINC 429 input bus connection to CMC 1?

    <p>To receive input from other systems</p> Signup and view all the answers

    What is the characteristic of a Type 2 system computer's failure memory?

    <p>It can store failures from the last flight</p> Signup and view all the answers

    What is the purpose of a discrete input on a Type 2 system computer?

    <p>To initialise system tests</p> Signup and view all the answers

    What is the primary purpose of the Cursor Control Device?

    <p>To select which computer receives the software</p> Signup and view all the answers

    What could be the consequence of incorrect software loading procedures?

    <p>A disastrous sequence of events</p> Signup and view all the answers

    In which aircraft system is the software loaded via an MDDU?

    <p>Airbus</p> Signup and view all the answers

    What is the function of the data loader selector switch?

    <p>To select the computer that receives the software</p> Signup and view all the answers

    Where can software downloads be initialized?

    <p>In flight and on the ground</p> Signup and view all the answers

    What happens after the computer acknowledges the request from the MCDU?

    <p>The computer sorts the data to be transferred into files</p> Signup and view all the answers

    What is the primary purpose of having a digital electronic library system in an aircraft?

    <p>To integrate all technical data for a given aircraft</p> Signup and view all the answers

    What type of information can be accessed through the digital electronic library system?

    <p>System or spare part information, procedures, and others</p> Signup and view all the answers

    What is the benefit of the digital electronic library system in case of an engine emergency?

    <p>It can produce relevant checklists and provide access to relevant operations manual pages</p> Signup and view all the answers

    How do airlines typically receive their operational documentation?

    <p>In a variety of formats</p> Signup and view all the answers

    What is the primary advantage of the digital electronic library system over traditional methods?

    <p>It integrates all technical data for a given aircraft</p> Signup and view all the answers

    What is the main goal of operators in terms of equipment and software configuration?

    <p>To be able to determine the equipment and software configuration at any time</p> Signup and view all the answers

    What type of reports can be printed from the Multipurpose Control and Display Units (MCDUs)?

    <p>A range of reports including aircraft condition monitoring reports and power plant trend analysis reports</p> Signup and view all the answers

    What is the purpose of structural monitoring in aircraft?

    <p>To develop preventative maintenance policy and identify high-load flight phases</p> Signup and view all the answers

    What type of sensors are used to obtain data for structural monitoring?

    <p>Both sensors and strain gauges</p> Signup and view all the answers

    What is the benefit of identifying high-load flight phases?

    <p>To avoid those phases in normal operations</p> Signup and view all the answers

    What can be printed manually or automatically from the MCDUs?

    <p>Printing process data</p> Signup and view all the answers

    What is the relationship between the printing process and the MCDUs?

    <p>The MCDUs can initiate both manual and automatic printing</p> Signup and view all the answers

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