Document ID: chunk:federal_register_of_legislation:F2025C00150:reg:1:p9
Version: federal_register_of_legislation:F2025C00150
Segment Type: reg
Provision Reference: reg 1 (pt 9/29)
Character Range: 129046–135165

detection of defects in wooden structure;
Repair of wooden structure.
6.3.3   Fabric covering                                                                                                                1  2                                    —
Characteristics, properties and types of fabrics used in aeroplanes;
Inspections methods for fabric;
Types of defects in fabric;
Repair of fabric covering.
6.4   Corrosion
(a)                                                                                                                                    1  1                                    1
    Chemical fundamentals;
    Formation by galvanic action process, microbiological, stress;
(b)                                                                                                                                    2  3                                    2
    Types of corrosion and their identification;
    Causes of corrosion;
    Material types, susceptibility to corrosion.
6.5   Fasteners
6.5.1   Screw threads                                                                                                                  2  2                                    2
Screw nomenclature;
Thread forms, dimensions and tolerances for standard threads used in aircraft;
Measuring screw threads;
6.5.2   Bolts, studs and screws                                                                                                        2  2                                    2
Bolt types: specification, identification and marking of aircraft bolts, international standards;
Nuts: self-locking, anchor, standard types;
Machine screws: aircraft specifications;
Studs: types and uses, insertion and removal;
Self tapping screws, dowels.
6.5.3   Locking devices                                                                                                                2  2                                    2
Tab and spring washers, locking plates, split pins, pal-nuts, wire locking, quick release fasteners, keys, circlips, cotter pins.

6.5.4   Aircraft rivets                                                                                                                1  2                                    1

Types of solid and blind rivets: specifications and identification, heat treatment.
6.6   Pipes and unions
(a)                                                                                                                                    2  2                                    2

    Identification of, and types of, rigid and flexible pipes and their connectors used in aircraft;
(b)                                                                                                                                    2  2                                    1

    Standard unions for aircraft hydraulic, fuel, oil, pneumatic and air system pipes.
6.7   Springs                                                                                                                          —  2                                    1

Types of springs, materials, characteristics and applications.
6.8   Bearings                                                                                                                         1  2                                    2
Purpose of bearings, loads, material, construction;
Types of bearings and their application.
6.9   Transmissions                                                                                                                    1  2                                    2
Gear types and their application;
Gear ratios, reduction and multiplication gear systems, driven and driving gears, idler gears, mesh patterns;
Belts and pulleys, chains and sprockets.
6.10   Control cables                                                                                                                  1  2                                    1
Types of cables;
End fittings, turn buckles and compensation devices;
Pulleys and cable system components;
Bowden cables;
Aircraft flexible control systems.
6.11   Electrical cables and connectors                                                                                                1  2                                    2
Cable types, construction and characteristics;
High tension and co-axial cables;
Crimping;
Connector types, pins, plugs, sockets, insulators, current and voltage rating, coupling, identification codes.

Module 7 Maintenance practices

                                                                                                                                                                             Level of knowledge for the category
                                                                                                                                                                          A  B1                                   B2

7.1   Safety precautions — aircraft and workshop                                                                                                                          3  3                                    3
Aspects of safe working practices including precautions to take when working with electricity, gases especially oxygen, oils and chemicals;
Instruction in the remedial action to be taken in the event of a fire or another accident with one or more of these hazards including knowledge on extinguishing agents.
7.2   Workshop practices                                                                                                                                                  3  3                                    3
Care of tools, control of tools, use of workshop materials;
Dimensions, allowances and tolerances, standards of workmanship;
Calibration of tools and equipment, calibration standards.
7.3   Tools                                                                                                                                                               3  3                                    3
Common hand tool types;
Common power tool types;
Operation and use