Document ID: chunk:federal_register_of_legislation:F2025C00150:reg:1:p7
Version: federal_register_of_legislation:F2025C00150
Segment Type: reg
Provision Reference: reg 1 (pt 7/29)
Character Range: 117827–124494

differential, control and torque, transformers, inductance and capacitance transmitters;
(b)                                                                                                                                                                                                                                  —   —                                    2

    Understanding of the following terms: open and closed loop, follow up, servomechanism, analogue, transducer,               null, damping, feedback, dead band;
    Construction operation and use of the following synchro system components: resolvers, differential, control and torque, E and I transformers, inductance transmitters, capacitance transmitters, synchronous transmitters;
    Servo mechanism defects, reversal of synchro leads, hunting.

Module 5 Digital techniques/electronic instrument systems

                                                                                                                                                             Level of
                                                                                                                                                             knowledge
                                                                                                                                                             for the
                                                                                                                                                             category
                                                                                                                                                             A           B1.1  B1.2  B2
                                                                                                                                                                         B1.3  B1.4
5.1   Electronic instrument systems                                                                                                                          1           2     2     3
Typical systems arrangements and cockpit layout of electronic instrument systems.

5.2   Numbering systems                                                                                                                                      —           1     —     2
Numbering systems: binary, octal and hexadecimal;
Demonstration of conversions between the decimal and binary, octal and hexadecimal systems, and vice versa.
5.3   Data conversion                                                                                                                                        —           1     —     2
Analogue data, digital data;
Operation and application of analogue to digital, and digital to analogue converters, inputs and outputs, limitations of various types.
5.4   Data buses                                                                                                                                             —           2     —     2
Operation of data buses in aircraft systems, including knowledge of ARINC and other specifications;

Aircraft network/ethernet.

5.5   Logic circuits
(a)                                                                                                                                                          —           2     —     2
    Identification of common logic gate symbols, tables and equivalent circuits;
    Applications used for aircraft systems, schematic diagrams;
(b)                                                                                                                                                          —           —     —     2
    Interpretation of logic diagrams.

5.6   Basic computer structure
(a)                                                                                                                                                          1           2     —     —
    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)                                                                                                                                                          —           —     —     2
    Computer-related terminology;
    Operation, layout and interface of the major components in a microcomputer, including their associated bus systems;
    Information contained in single and multi-address instruction words;
    Memory-associated terms;
    Operation of typical memory devices;
     Operation, advantages and disadvantages of the various data storage systems.
5.7   Microprocessors                                                                                                                                        —           —     —     2
Functions performed and overall operation of a microprocessor;
Basic operation of each of the following microprocessor elements: control and processing unit, clock, register, arithmetic logic unit.
5.8   Integrated circuits                                                                                                                                    —           —     —     2
Operation and use of encoders and decoders;
Function of encoder types;
Uses of medium, large and very large-scale integration.
5.9   Multiplexing                                                                                                                                           —           —     —     2
Operation, application and identification in logic diagrams of multiplexers and demultiplexers.

5.10   Fibre optics                                                                                                                                          —           1     1     2
Advantages and 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                                                                                                                                   —           2     1     2
Principles of operation of common types of displays used in modern aircraft, including cathode ray tubes, light emitting diodes and liquid crystal display.

5.12   Electrostatic sensitive devices                                                                                                                       1           2     2     2
Special handling