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Materials and hardware

Basic Module 6

Don’t know what a basic module is? Know more about Part-66 Basic Modules.

Applicability

This module is required for the following AML categories:

Topics

Issued on Regulation (EU) 2018/1142

  • (A)
    • Characteristics, properties and identification of common alloy steels used in aircraft;
    • Heat treatment and application of alloy steels.
  • (B)
    • Testing of ferrous materials for hardness, tensile strength, fatigue strength and impact resistance.
  • (A)
    • Characteristics, properties and identification of common non-ferrous materials used in aircraft;
    • Heat treatment and application of non-ferrous materials;
  • (B)
    • Testing of non-ferrous material for hardness, tensile strength, fatigue strength and impact resistance.
  • Composite and non-metallic other than wood and fabric
    • (A)
      • Characteristics, properties and identification of common composite and non-metallic materials, other than wood, used in aircraft;
      • Sealant and bonding agents;
    • (B)
      • The detection of defects/deterioration in composite and non-metallic material;
      • Repair of composite and non-metallic material.
  • Wooden structures
    • Construction methods of wooden airframe structures;
    • Characteristics, properties and types of wood and glue used in aeroplanes;
    • Preservation and maintenance of wooden structure;
    • Types of defects in wood material and wooden structures;
    • The detection of defects in wooden structure;
    • Repair of wooden structure.
  • Fabric covering
    • Characteristics, properties and types of fabrics used in aeroplanes;
    • Inspections methods for fabric;
    • Types of defects in fabric;
    • Repair of fabric covering.
  • (A)
    • Chemical fundamentals;
    • Formation by, galvanic action process, microbiological, stress;
  • (B)
    • Types of corrosion and their identification;
    • Causes of corrosion;
    • Material types, susceptibility to corrosion.
  • Screw threads
    • Screw nomenclature;
    • Thread forms, dimensions and tolerances for standard threads used in aircraft;
    • Measuring screw threads.
  • Bolts, studs and screws
    • 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.
  • Locking devices
    • Tab and spring washers, locking plates, split pins, pal-nuts, wire locking, quick release fasteners, keys, circlips, cotter pins.
  • Aircraft rivets
    • Types of solid and blind rivets: specifications and identification, heat treatment.
  • (A)
    • Identification of, and types of rigid and flexible pipes and their connectors used in aircraft;
  • (B)
    • Standard unions for aircraft hydraulic, fuel, oil, pneumatic and air system pipes.
  • Types of springs, materials, characteristics and applications.
  • Purpose of bearings, loads, material, construction;
  • Types of bearings and their application.
  • 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.
  • Types of cables;
  • End fittings, turnbuckles and compensation devices;
  • Pulleys and cable system components;
  • Bowden cables;
  • Aircraft flexible control systems.
  • 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.

Examination

  • AML Cat B1
    72 multi-choice and 0 essay questions.
    Time allowed: 90 minutes.
  • AML Cat B2
    60 multi-choice and 0 essay questions.
    Time allowed: 75 minutes.