Sunfish - you are wrong for every DAS since CASA was formed 21 years ago. All have worked in the industry and only 2 had any RAAF background.
Ben - you have documented status, what analysis has been made of causal factors such as pilots dying of old age e.g. early baby boomers, moves to RAAus, serious debilitating medical issues, external financial impact of GFC etc?
What analysis has been done of GA business operating costs to show where the money is spent and what market analysis has been done to identify why businesses outside aviation are not using GA freight and charter services?