Still needs to be put in the context of an aircraft with no FDR so no proof but old fashioned investigation gives the best possible opinion within the constaints as the report says , just to give the benefit of doubt. Be interesting after reading the report if there will be any airworthy Hunters to fly excepting the ones still operating under the military system from Scampton. Will the manufacturer supply seat cartridges now ? The engine inspection issues mean the chances of seeing an aircraft powered by a 100 series Avon is pretty remote.