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The airworthiness of the airframe:

Van’s RV-14 cutaway showing its airframe (VansAircraft – Own work, CC BY-SA 4.0,

The ‘airframe’ is the aircraft’s skeleton. It’s ‘airworthiness’ is about ensuring it is always strong enough and stiff enough for the aircraft to do everything it was designed to do, without breaking, or even bending in any unsafe way.

(Lawyers will note my heading’s consistency with section 79 of the Evidence Act 1995 (Cth), relevant to expert witnesses.)


All stages in the life of an aircraft, including:

  • Design
  • Certification
  • Production
  • Operation
  • Maintenance
  • Repair
  • Modification.

All materials of construction, including:

  • Metals
  • Composites.

All sizes, from:

  • Single-engined trainers; to
  • Four-engined airliners.

All forms of aircraft, including:

  • Fixed wing
  • Rotorcraft (helicopters).

All regulatory environments, including:

  • Australian, American, European and others
  • Military as well as civil.

All forms of deterioration, including:

  • fatigue
  • corrosion
  • accidental damage.

Need CASA approval?

Having worked at CASA for 26 years, I understand CASA’s requirements and approval processes.

I also understand the requirements and approval processes for other major airworthiness authorities.