This was on another forum I visit and is rather chilling. On 9 August 1981, Cessna 210 VH-MDX went missing over Barrington Tops, New South Wales. it has never been found.
View: https://www.youtube.com/watch?v=JD2j4-tlmVQ
View: https://www.youtube.com/watch?v=JD2j4-tlmVQ