6.01: Aircraft Materials - Ferrous
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6.01: Aircraft Materials - Ferrous
a) Characteristics, properties and identification of common alloy steels used in aircraft; Heat treatment and application of alloys steels;
b) Testing of ferrous materials for hardness, tensile strength, fatigue strength and impact
resistance.
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6.02: Aircraft Materials - Non-Ferrous
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6.02: Aircraft Materials - Non-Ferrous
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.
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6.03: Aircraft Materials - Composite and Non-Metallic
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6.03: Aircraft Materials - Composite and Non-Metallic
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 in composite and non-metallic material; Repair of composite material.
Wooden Structures
Construction methods of wooden airframe structures; Characteristics, properties and types of wood and glue used in aeroplanes; Preservation of maintenance of wooden structures;
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 fabric used in aeroplanes; Inspection methods for fabric; Types of defects in fabric; Repair of fabric covering.
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6.04: Corrosion
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6.04: Corrosion
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.
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6.05: Fasteners
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6.05: Fasteners
Screw Threads
Screw nomenclature; Thread forms, dimensions and tolerances for standard threads used in aircraft; Measuring screw threads.
Bolds, 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.
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6.06: Pipes & Unions
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6.06: Pipes & Unions
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.
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6.07: Springs
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6.07: Springs
Types of springs, materials, characteristics and applications.
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6.08: Bearings
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6.08: Bearings
Purpose of bearings, loads, material, construction; Types of bearings and their application.
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6.09: Transmissions
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6.09: Transmissions
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.
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6.10: Control Cables
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6.10: Control Cables
Types of cables; End fittings, turnbuckles and compensation devices; Pulleys and cable system components; Bowden cables; Aircraft flexible control systems.
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6.11: Electrical Cables and Connectors
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6.11: Electrical Cables and Connectors
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.
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