RankAmateur , A Coronial enquiriy or even an ATSB enquiry has the scope and power to source information and imput from any source, as you know. In this case significant info was source from the RAA who no doubt was the entity with the most experience in this case. It is part of our charter and indeed one of our required responsibilities to assist authorities with accident inquiry when requested, regardless of rego status.Why? "In the event, a multi-agency investigation was undertaken, primarily with Recreation Aviation Australia (RAA), who in turn was assisted by the Australian Transport Safety Bureau (ATSB)." When the rego was VH-ZRS.
"In addition, internet pilot forums include discussions on both the propensity of the Zodiac canopy to fail, and on various makeshift ways to prevent this from occurring. " Do the authorities read internet forum? You bet they do!