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https://www.atsb.gov.au/media/577660...-069_final.pdf
https://www.atsb.gov.au/media/27144/aair198902571.pdf
The first link relates to the ATSB report just released on the crash of the Tobago at Mount Gambier in June 2017. The report took just under two years to produce and contained approximately 90 pages. The vast majority of the report had little to do with actual loss of control. No wonder it took two years of delay before the report was released. Some readers may consider much of the report was superfluous. Unless interested in the legal minefield exposed in the report, most ordinary pilots would prefer to bypass the heavy stuff in order to get to the guts of the accident and hopefully learn from it.
The second link relates to the ATSB report on the fatal crash of a Grumman Cougar in August 1989 where an engine failed shortly after takeoff at night and the pilot lost control. That report took 12 months to be released and covered just four pages.. In contrast, the difference between the length of the two reports is notable. In both cases the cause of the accidents was loss of control less than a minute after takeoff.