8/ The Navy began checking whether or not any known aircraft could account for the sighting. The surviving file says that there were no Royal Australian Navy or Royal Australian Air Force aircraft operating in the area at the time. There was, however, a Trans Australia Airlines Convair flying north at 14,000 feet. That airliner has disappeared from some popular versions of the case, but it was there and belongs in any fair account. The Convair establishes that another known aircraft was somew...