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EASA PART 66 MODULE 12 P2

EASA PART 66 MODULE 12 HELICOPTER AERODYNAMICS, STRUCTURES AND SYSTEMS PART 2
(12.5 Airframe Structures A B 12.6 Air Conditioning (ATA 21) 12.6.1 Air supply 12.6.2 Air Conditioning)


12.5 Airframe Structures
(a) 
  • Airworthiness requirements for structural strength;
  • Structural classification, primary, secondary and tertiary;
  • Fail safe, safe life, damage tolerance concepts;
  • Zonal and station identification systems;
  • Stress, strain, bending, compression, shear, torsion, tension, hoop stress, fatigue;
  • Drains and ventilation provisions;
  • System installation provisions;
  • Lightning strike protection provision.





(b) 
  • Construction methods of: stressed skin fuselage, formers, stringers, longerons, bulkheads,
  • frames, doublers, struts, ties, beams, floor structures, reinforcement, methods of skinning and anti-corrosive protection.
  • Pylon, stabiliser and undercarriage attachments;
  • Seat installation;
  • Doors: construction, mechanisms, operation and safety devices;
  • Windows and windscreen construction;
  • Fuel storage;
  • Firewalls;
  • Engine mounts;
  • Structure assembly techniques: riveting, bolting, bonding;
  • Methods of surface protection, such as chromating, anodising, painting;
  • Surface cleaning.
  • Airframe symmetry: methods of alignment and symmetry checks.



12.6 Air Conditioning (ATA 21)
12.6.1 Air supply 
Sources of air supply including engine bleed and ground cart;

12.6.2 Air Conditioning
  • Air conditioning systems;
  • Distribution systems;
  • Flow and temperature control systems;
  • Protection and warning devices.

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