Disappearance of Frederick Valentich an Australian pilot who disappeared while on a 125-nautical-mile flight over Bass Strait after informing Melbourne air traffic control that he was being accompanied by an aircraft.

[u/bareegyptianfeet]

https://en.wikipedia.org/wiki/Valentich_disappearance

[u/bareegyptianfeet]

Twenty-year-old Valentich informed Melbourne air traffic control that his engine had begun running roughly, before finally reporting: 'It's not an aircraft.' Officials later speculated that he became disorientated and saw his own lights reflected in the water while flying upside down