Module-05


5.01: Electronic Instrument Systems

5.01: Electronic Instrument Systems
Typical systems arrangements and cockpit layout of electronic instrument systems.

5.02: Numbering Systems

5.02: Numbering Systems
Numbering systems: binary, octal & hexadecimal; Demonstration of conversions between the decimal & binary, octal & hexadecimal systems & vice versa.

5.03: Data Conversion

5.03: Data Conversion
Analogue Data, Digital Data; Operation and application of analogue to digital, & digital to analogue converters, inputs & outputs, limitations of various types.

5.04: Data Buses

5.04: Data Buses
Operation of data buses in aircraft systems, including knowledge of ARINC and other specifications.

5.05: Logic Circuits

5.05: Logic Circuits
a) Identification of common logic gate symbols, tables & equivalent circuits; Applications used
for aircraft systems, schematic diagrams;

b) Interpretation of logic diagrams.

5.06: Basic Computer Terminology

5.06: Basic Computer Terminology
a) 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);

b) Computer related terminology; Operation, layout & interface of the major components in a micro computer including their associated bus systems; Information contained in single and multiaddress instruction words; Memory associated terms; Operation of typical memory devices; Operation, advantages & disadvantages of the various data storage systems.

5.07: Microprocessors


5.07: Microprocessors
Functions performed & overall operation of a microprocessor; Basic operation of the following microprocessor elements: control & processing unit, clock, register, arithmetic logic unit.

5.08: Integrated Circuits


5.08: Integrated Circuits
Operation and use of encoders & decoders; Function of encoder types; Uses of medium, large & very large scale integration.

5.09: Multiplexing

5.09: Multiplexing
Operation, application & identification in logic diagrams of multiplexers & demultiplexers.

5.10: Fibre Optics

5.10: Fibre Optics
Advantages & disadvantages of fibre optic data transmission over electrical wire propagation; Fibre optic data bus; Fibre optic related terms; Terminations; Couplers, control terminals, remote terminals; Application of fibre optics in aircraft systems.

5.11: Electronic Displays

5.11: Electronic Displays
Principles of operation of common display types used in modem aircraft, inc. CRT, LED & LCD.

5.12: Electrostatic Sensitive Devices


5.12: Electrostatic Sensitive Devices
Special handling of components sensitive to electrostatic discharges; Awareness of risks & possible damage, component & personnel anti-static protection devices.

5.13: Software Management Control


5.13: Software Management Control
Awareness of restrictions, airworthiness requirements & possible catastrophic effects of unapproved changes to software programmes.

5.14: Electromagnetic Environment


5.14: Electromagnetic Environment
Influence of the following phenomena on maintenance practices for electronic system: EMC - Electromagnetic Compatibility; EMI - Electromagnetic Interference; HIRF - High Intensity Radiated Field; Lightning/lightning protection.

5.15: Typical Electronic / Digital Aircraft Systems

5.15: Typical Electronic / Digital Aircraft Systems
General arrangement of typical electronic/digital aircraft systems and associated 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
Note : Different manufacturers may use different terminology for similar systems. 


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