Training Courses

Module 5. Digital Techniques Electronic Instrument Systems (Part-66)

Module 5. Digital Techniques Electronic Instrument Systems (Part-66)


100 hours training

Number of Participants





Content: Part-66 Module 5. Digital Techniques Electronic Instrument Systems


1. Electronic Instrument Systems

  • Typical systems arrangements and cockpit layout of electronic instrumentsystems.

2. Numbering Systems

  • Numbering systems: binary, octal and hexadecimal;
  • Demonstration of conversions between the decimal and binary, octal andhexadecimal systems and vice versa.

3. Data Conversion

  • Analogue Data, Digital Data;
  • Operation and application of analogue to digital, and digital to analogueconverters, inputs and outputs, limitations of various types.

4. Data Buses

  • Operation of data buses in aircraft systems, including knowledge of ARINC and other specifications.

5. Logic Circuits

  • Identification of common logic gate symbols, tables and equivalentcircuits;
  • Applications used for aircraft systems, schematic diagrams.

6. Basic Computer Structure

  • Computer terminology (including bit, byte, software, hardware, CPU, IC,and various memory devices such as RAM, ROM, PROM);
  • Computer technology (as applied in aircraft systems).

7. Fibre Optics

  • Advantages and disadvantages of fibre optic data transmission overelectrical wire propagation;
  • Fibre optic data bus;
  • Fibre optic related terms;
  • Terminations;
  • Couplers, control terminals, remote terminals;
  • Application of fibre optics in aircraft systems.

8. Electronic Displays

  • Principles of operation of common types of displays used in modernaircraft, including Cathode Ray Tubes, Light Emitting Diodes and LiquidCrystal Display.

9. Electrostatic Sensitive Devices

  • Special handling of components sensitive toelectrostatic discharges;
  • Awareness of risks and possible damage,component and personnel anti-static protectiondevices.

10. Software Management Control

  • Awareness of restrictions, airworthinessrequirements and possible catastrophic effects ofunapproved changes to software programmes.

11. Electromagnetic Environment

  • Influence of the following phenomena onmaintenance practices for electronic system:EMC-Electromagnetic CompatibilityEMI-Electromagnetic InterferenceHIRF-High Intensity Radiated FieldLightning / lightning protection

12. Typical Electronic / Digital Aircraft Systems

  • General arrangement of typical electronic/digital aircraft systems andassociated BITE (Built In Test Equipment) testing such as :ACARS-ARINC Communication and Addressing and Reporting System ECAM-Electronic Centralised Aircraft Monitoring EFIS-Electronic Flight Instrument System EICAS-Engine Indication and Crew Alerting System FBW-Fly by Wire FMS-Flight Management System GPS-Global Positioning System IRS-Inertial Reference System TCAS-Traffic Alert Collision Avoidance System



Target Group


Aircraft Engine






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