Civil Aviation Safety Authority (CASA) -- 'Safe skies for all'”‹ CASA regulates civil aviation safety in Australia and the operation of Australian aircraft outside Australian territory. We license pilots, register aircraft, oversee safety and promote safety awareness. CASA is also responsible for ensuring Australian airspace is administered and used safely. Aviation Operations, Airworthiness, Regulatory Policy, Pilot Licensing, Aircraft Registration, Airspace & Aerodrome Administration, Safety Awareness Promotion, Flying Standards of the Flying Training Industry